[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
This bug was fixed in the package systemd - 245.4-4ubuntu3.3
---
systemd (245.4-4ubuntu3.3) focal; urgency=medium
[ Rafael David Tinoco ]
* d/p/lp1861941-dont-generate-disk-byuuid-for-bcache-uuid.patch:
Reworded and reintroduced patch to fully explain delta is NOT a fix to
LP: #1861941 if the bcache-tools patch exists, but should be kept anyway
as the change makes sense for a better experience to end user.
(LP: #1861941)
https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=f8f64b3b58a04a83b1c426818b9affc41e0bff6c
[ Dan Streetman ]
* d/p/lp1882596-man-fix-some-manvolnum.patch:
- fix some man section references (LP: #1882596)
https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=3959ec95eff78d38ec4409807f151572afe83fe9
* d/p/lp1895418-correct-resolved-conf-cache-default.patch:
- fix resolved.conf default Cache= value (LP: #1895418)
https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=ebe274a2b01658ee39b372d7033c35209510b028
* d/p/lp1897744-resolve-enable-RES_TRUSTAD-towards-the-127.0.0.53-st.patch:
- add resolv.conf 'trust-ad' option (LP: #1897744)
https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=f6acc8c620b80adab7b048352d85e722b5ba8214
* d/t/*:
- Update tests to fix false negatives (LP: #1892358)
https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=cee6c31a6caec7888270c9fa8757105ab950ed0c
https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=a1c1a2bb0ff27faf84fe94583631dfd0f1f4ed8f
https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=9417ce996766c133c2a33d4102ce1494f3166774
-- Dan Streetman Thu, 08 Oct 2020 16:14:56
-0400
** Changed in: systemd (Ubuntu Focal)
Status: Fix Committed => Fix Released
--
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https://bugs.launchpad.net/bugs/1861941
Title:
bcache by-uuid links disappear after mounting bcache0
Status in bcache-tools package in Ubuntu:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in systemd package in Ubuntu:
Fix Released
Status in bcache-tools source package in Bionic:
Fix Released
Status in systemd source package in Bionic:
Won't Fix
Status in bcache-tools source package in Focal:
Fix Released
Status in systemd source package in Focal:
Fix Released
Bug description:
SRU TEAM: The last 2 commits show a summary for the merges/changes
I added some specific (to Bionic) notes in the template.
Thanks!
[Impact]
* bcache-tools udev created symlinks might disappear when other udev
events are processed for the same devices.
* after mkfs.XXX in /dev/bcacheY you might face a condition where
/dev/bcache/by-{uuid,label}/zzz symlinks are gone.
* /dev/bcache/by-{uuid,label}/ symlinks are important so bcache
devices can be addressed by their UUIDs and not the ordering they were
assembled (MAAS depends on this feature, for example).
* it was also discussed in this bug that systemd-udev should *not*
populate /dev/disk/by-uuid/ with symlinks of disks that were bcache
backing devices. this was turned into a discussion whether blkid
should report those or not, and this discussion "died" after sometime.
This last item is what the systemd update is all about: to disallow
/dev/disk/by-XXX/ creation for bcache backing devices (a simple
change that will reduce end users confusion).
[Test Case]
* The reproducer script is here:
https://paste.ubuntu.com/p/37KGy2Smnp/
* Bionic can't reproduce the issue with the 18.04 kernel, nor with
the HWE kernel. Nevertheless, it is preferable that Bionic also do the
same thing: to read bcache superblock and feed environment for
/dev/bcache/by-{uuid,label} symlinks creation.
specifically for the verification for systemd, the above script can be
used, and then check that the bcache uuid symlink isn't present at
/dev/disk/by-uuid; for example, after running the above reproducer
script:
root@lp1861941-f:~# ls -l /dev/bcache/by-uuid/
total 0
lrwxrwxrwx 1 root root 13 Nov 2 17:16 651c5532-0a15-4d56-acdf-9c8b2bb559f1
-> ../../bcache0
root@lp1861941-f:~# ls -l /dev/disk/by-uuid/$(ls /dev/bcache/by-uuid/)
lrwxrwxrwx 1 root root 9 Nov 2 17:16
/dev/disk/by-uuid/651c5532-0a15-4d56-acdf-9c8b2bb559f1 -> ../../vdc
[Regression Potential]
* We are not depending on bcache device udev events any more when
creating the /dev/bcache/by-{uuid,label}/ symlinks. Instead, we are
depending on a wrapper script that heads bcache device superblock. If
there is a bug in this wrapper the symlinks wouldn't work.
* Previously we were thinking in asking the kernel team to remove the
bcache udev event delta script they've done for previous case (LP:
#1729145). It creates the udev
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
root@lp1861941-f:~# dpkg -l systemd|grep systemd
ii systemd245.4-4ubuntu3.2 amd64system and service manager
root@lp1861941-f:~# dpkg -l udev|grep udev
ii udev 245.4-4ubuntu3.2 amd64/dev/ and hotplug management
daemon
root@lp1861941-f:~# ls -l /dev/disk/by-uuid/$(ls /dev/bcache/by-uuid/)
lrwxrwxrwx 1 root root 9 Nov 2 17:16
/dev/disk/by-uuid/651c5532-0a15-4d56-acdf-9c8b2bb559f1 -> ../../vdc
root@lp1861941-f:~# dpkg -l systemd|grep systemd
ii systemd245.4-4ubuntu3.3 amd64system and service manager
root@lp1861941-f:~# dpkg -l udev|grep udev
ii udev 245.4-4ubuntu3.3 amd64/dev/ and hotplug management
daemon
root@lp1861941-f:~# ls -l /dev/disk/by-uuid/$(ls /dev/bcache/by-uuid/)
ls: cannot access '/dev/disk/by-uuid/651c5532-0a15-4d56-acdf-9c8b2bb559f1': No
such file or directory
** Description changed:
SRU TEAM: The last 2 commits show a summary for the merges/changes
I added some specific (to Bionic) notes in the template.
Thanks!
[Impact]
* bcache-tools udev created symlinks might disappear when other udev
events are processed for the same devices.
* after mkfs.XXX in /dev/bcacheY you might face a condition where
/dev/bcache/by-{uuid,label}/zzz symlinks are gone.
* /dev/bcache/by-{uuid,label}/ symlinks are important so bcache devices
can be addressed by their UUIDs and not the ordering they were assembled
(MAAS depends on this feature, for example).
* it was also discussed in this bug that systemd-udev should *not*
populate /dev/disk/by-uuid/ with symlinks of disks that were bcache
backing devices. this was turned into a discussion whether blkid should
report those or not, and this discussion "died" after sometime. This
last item is what the systemd update is all about: to disallow /dev/disk
/by-XXX/ creation for bcache backing devices (a simple change that
will reduce end users confusion).
[Test Case]
* The reproducer script is here:
https://paste.ubuntu.com/p/37KGy2Smnp/
* Bionic can't reproduce the issue with the 18.04 kernel, nor with the
HWE kernel. Nevertheless, it is preferable that Bionic also do the same
thing: to read bcache superblock and feed environment for
/dev/bcache/by-{uuid,label} symlinks creation.
+
+ specifically for the verification for systemd, the above script can be
+ used, and then check that the bcache uuid symlink isn't present at
+ /dev/disk/by-uuid; for example, after running the above reproducer
+ script:
+
+ root@lp1861941-f:~# ls -l /dev/bcache/by-uuid/
+ total 0
+ lrwxrwxrwx 1 root root 13 Nov 2 17:16 651c5532-0a15-4d56-acdf-9c8b2bb559f1
-> ../../bcache0
+ root@lp1861941-f:~# ls -l /dev/disk/by-uuid/$(ls /dev/bcache/by-uuid/)
+ lrwxrwxrwx 1 root root 9 Nov 2 17:16
/dev/disk/by-uuid/651c5532-0a15-4d56-acdf-9c8b2bb559f1 -> ../../vdc
+
[Regression Potential]
* We are not depending on bcache device udev events any more when
creating the /dev/bcache/by-{uuid,label}/ symlinks. Instead, we are
depending on a wrapper script that heads bcache device superblock. If
there is a bug in this wrapper the symlinks wouldn't work.
* Previously we were thinking in asking the kernel team to remove the
bcache udev event delta script they've done for previous case (LP:
#1729145). It creates the udev events that were being read and filling
the symlinks. We decided not to remove those (just from Groovy and on)
so we don't need to worry on Breaks/Conflicts in between the kernel
package and bcache-tools (and udev)).
* Long story short: kernel will continue to emit bcache udev events as
it did previously but now those events won't be used by anything - after
installing this SRU - because udev wrapper script is doing this job (and
doing it properly)
[Other Info]
- Original Description:
1.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
2.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
root@ubuntu:~# apt-cache policy linux-image-virtual
linux-image-virtual:
Installed: 5.4.0.12.15
Candidate: 5.4.0.12.15
Version table:
*** 5.4.0.12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic
linux-image-5.4.0-12-generic:
Installed: 5.4.0-12.15
Candidate: 5.4.0-12.15
Version table:
*** 5.4.0-12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/
+ ls -al /dev/bcache/by-uuid/
total 0
drwxr-xr-x 2 root root 60 Feb 4 23:31 .
drwxr-xr-x 3 root root 60 Feb 4 23:31 ..
lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a
-> ../../bcache0
4.
r
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Hello Ryan, or anyone else affected,
Accepted systemd into focal-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/systemd/245.4-4ubuntu3.3 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed. Your feedback will aid us getting this
update out to other Ubuntu users.
If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.
Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance for helping!
N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.
** Changed in: systemd (Ubuntu Focal)
Status: In Progress => Fix Committed
** Tags removed: verification-done verification-done-focal
** Tags added: verification-needed verification-needed-focal
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1861941
Title:
bcache by-uuid links disappear after mounting bcache0
Status in bcache-tools package in Ubuntu:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in systemd package in Ubuntu:
Fix Released
Status in bcache-tools source package in Bionic:
Fix Released
Status in systemd source package in Bionic:
Won't Fix
Status in bcache-tools source package in Focal:
Fix Released
Status in systemd source package in Focal:
Fix Committed
Bug description:
SRU TEAM: The last 2 commits show a summary for the merges/changes
I added some specific (to Bionic) notes in the template.
Thanks!
[Impact]
* bcache-tools udev created symlinks might disappear when other udev
events are processed for the same devices.
* after mkfs.XXX in /dev/bcacheY you might face a condition where
/dev/bcache/by-{uuid,label}/zzz symlinks are gone.
* /dev/bcache/by-{uuid,label}/ symlinks are important so bcache
devices can be addressed by their UUIDs and not the ordering they were
assembled (MAAS depends on this feature, for example).
* it was also discussed in this bug that systemd-udev should *not*
populate /dev/disk/by-uuid/ with symlinks of disks that were bcache
backing devices. this was turned into a discussion whether blkid
should report those or not, and this discussion "died" after sometime.
This last item is what the systemd update is all about: to disallow
/dev/disk/by-XXX/ creation for bcache backing devices (a simple
change that will reduce end users confusion).
[Test Case]
* The reproducer script is here:
https://paste.ubuntu.com/p/37KGy2Smnp/
* Bionic can't reproduce the issue with the 18.04 kernel, nor with
the HWE kernel. Nevertheless, it is preferable that Bionic also do the
same thing: to read bcache superblock and feed environment for
/dev/bcache/by-{uuid,label} symlinks creation.
[Regression Potential]
* We are not depending on bcache device udev events any more when
creating the /dev/bcache/by-{uuid,label}/ symlinks. Instead, we are
depending on a wrapper script that heads bcache device superblock. If
there is a bug in this wrapper the symlinks wouldn't work.
* Previously we were thinking in asking the kernel team to remove the
bcache udev event delta script they've done for previous case (LP:
#1729145). It creates the udev events that were being read and filling
the symlinks. We decided not to remove those (just from Groovy and on)
so we don't need to worry on Breaks/Conflicts in between the kernel
package and bcache-tools (and udev)).
* Long story short: kernel will continue to emit bcache udev events
as it did previously but now those events won't be used by anything -
after installing this SRU - because udev wrapper script is doing this
job (and doing it properly)
[Other Info]
- Original Description:
1.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
2.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
root@ubuntu:~# apt-cache policy linux-image-virtual
linux-image-virtual:
Installed: 5.4.0.12.15
Candidate: 5.4.0.12.15
Version table:
*** 5.4.0.12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
This bug was fixed in the package linux - 5.8.0-18.19
---
linux (5.8.0-18.19) groovy; urgency=medium
* groovy/linux: 5.8.0-18.19 -proposed tracker (LP: #1893047)
* Packaging resync (LP: #1786013)
- update dkms package versions
* Groovy update: v5.8.4 upstream stable release (LP: #1893048)
- drm/vgem: Replace opencoded version of drm_gem_dumb_map_offset()
- drm/panel-simple: Fix inverted V/H SYNC for Frida FRD350H54004 panel
- drm/ast: Remove unused code paths for AST 1180
- drm/ast: Initialize DRAM type before posting GPU
- khugepaged: adjust VM_BUG_ON_MM() in __khugepaged_enter()
- ALSA: hda: avoid reset of sdo_limit
- ALSA: hda/realtek: Add quirk for Samsung Galaxy Flex Book
- ALSA: hda/realtek: Add quirk for Samsung Galaxy Book Ion
- can: j1939: transport: j1939_session_tx_dat(): fix use-after-free read in
j1939_tp_txtimer()
- can: j1939: socket: j1939_sk_bind(): make sure ml_priv is allocated
- spi: Prevent adding devices below an unregistering controller
- io_uring: find and cancel head link async work on files exit
- mm/vunmap: add cond_resched() in vunmap_pmd_range
- romfs: fix uninitialized memory leak in romfs_dev_read()
- kernel/relay.c: fix memleak on destroy relay channel
- uprobes: __replace_page() avoid BUG in munlock_vma_page()
- squashfs: avoid bio_alloc() failure with 1Mbyte blocks
- mm: include CMA pages in lowmem_reserve at boot
- mm, page_alloc: fix core hung in free_pcppages_bulk()
- ASoC: amd: renoir: restore two more registers during resume
- RDMA/hfi1: Correct an interlock issue for TID RDMA WRITE request
- opp: Enable resources again if they were disabled earlier
- opp: Put opp table in dev_pm_opp_set_rate() for empty tables
- opp: Put opp table in dev_pm_opp_set_rate() if _set_opp_bw() fails
- ext4: do not block RWF_NOWAIT dio write on unallocated space
- ext4: fix checking of directory entry validity for inline directories
- jbd2: add the missing unlock_buffer() in the error path of
jbd2_write_superblock()
- scsi: zfcp: Fix use-after-free in request timeout handlers
- selftests: kvm: Use a shorter encoding to clear RAX
- s390/pci: fix zpci_bus_link_virtfn()
- s390/pci: re-introduce zpci_remove_device()
- s390/pci: fix PF/VF linking on hot plug
- s390/pci: ignore stale configuration request event
- mm/memory.c: skip spurious TLB flush for retried page fault
- drm: amdgpu: Use the correct size when allocating memory
- drm/amdgpu/display: use GFP_ATOMIC in dcn20_validate_bandwidth_internal
- drm/amd/display: Fix incorrect backlight register offset for DCN
- drm/amd/display: Fix EDID parsing after resume from suspend
- drm/amd/display: Blank stream before destroying HDCP session
- drm/amd/display: Fix DFPstate hang due to view port changed
- drm/amd/display: fix pow() crashing when given base 0
- drm/i915/pmu: Prefer drm_WARN_ON over WARN_ON
- drm/i915: Provide the perf pmu.module
- scsi: ufs: Add DELAY_BEFORE_LPM quirk for Micron devices
- scsi: target: tcmu: Fix crash in tcmu_flush_dcache_range on ARM
- media: budget-core: Improve exception handling in budget_register()
- media: coda: jpeg: add NULL check after kmalloc
- f2fs: fix to check page dirty status before writeback
- rtc: goldfish: Enable interrupt in set_alarm() when necessary
- media: vpss: clean up resources in init
- f2fs: should avoid inode eviction in synchronous path
- Input: psmouse - add a newline when printing 'proto' by sysfs
- MIPS: Fix unable to reserve memory for Crash kernel
- m68knommu: fix overwriting of bits in ColdFire V3 cache control
- svcrdma: Fix another Receive buffer leak
- xfs: fix inode quota reservation checks
- drm/ttm: fix offset in VMAs with a pg_offs in ttm_bo_vm_access
- riscv: Fixup static_obj() fail
- jffs2: fix UAF problem
- ceph: fix use-after-free for fsc->mdsc
- swiotlb-xen: use vmalloc_to_page on vmalloc virt addresses
- cpufreq: intel_pstate: Fix cpuinfo_max_freq when MSR_TURBO_RATIO_LIMIT is 0
- scsi: libfc: Free skb in fc_disc_gpn_id_resp() for valid cases
- virtio_ring: Avoid loop when vq is broken in virtqueue_poll
- media: camss: fix memory leaks on error handling paths in probe
- tools/testing/selftests/cgroup/cgroup_util.c: cg_read_strcmp: fix null
pointer dereference
- xfs: Fix UBSAN null-ptr-deref in xfs_sysfs_init
- alpha: fix annotation of io{read,write}{16,32}be()
- fat: fix fat_ra_init() for data clusters == 0
- fs/signalfd.c: fix inconsistent return codes for signalfd4
- ext4: fix potential negative array index in do_split()
- drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl()
- ext4: don't allow overlapping system zones
- ext4: check journal inode extents more carefully
- netfilter: nf_tables: nft_exthdr: the
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
This bug was fixed in the package bcache-tools - 1.0.8-2ubuntu0.18.04.1
---
bcache-tools (1.0.8-2ubuntu0.18.04.1) bionic; urgency=medium
[ Ryan Harper ]
* Add helper script to read bcache devs superblock (LP: #1861941)
-- Rafael David Tinoco Wed, 05 Aug 2020
17:44:05 -0300
** Changed in: bcache-tools (Ubuntu Bionic)
Status: Fix Committed => Fix Released
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1861941
Title:
bcache by-uuid links disappear after mounting bcache0
Status in bcache-tools package in Ubuntu:
Fix Released
Status in linux package in Ubuntu:
Fix Committed
Status in systemd package in Ubuntu:
Fix Released
Status in bcache-tools source package in Bionic:
Fix Released
Status in systemd source package in Bionic:
Won't Fix
Status in bcache-tools source package in Focal:
Fix Released
Status in systemd source package in Focal:
In Progress
Bug description:
SRU TEAM: The last 2 commits show a summary for the merges/changes
I added some specific (to Bionic) notes in the template.
Thanks!
[Impact]
* bcache-tools udev created symlinks might disappear when other udev
events are processed for the same devices.
* after mkfs.XXX in /dev/bcacheY you might face a condition where
/dev/bcache/by-{uuid,label}/zzz symlinks are gone.
* /dev/bcache/by-{uuid,label}/ symlinks are important so bcache
devices can be addressed by their UUIDs and not the ordering they were
assembled (MAAS depends on this feature, for example).
* it was also discussed in this bug that systemd-udev should *not*
populate /dev/disk/by-uuid/ with symlinks of disks that were bcache
backing devices. this was turned into a discussion whether blkid
should report those or not, and this discussion "died" after sometime.
This last item is what the systemd update is all about: to disallow
/dev/disk/by-XXX/ creation for bcache backing devices (a simple
change that will reduce end users confusion).
[Test Case]
* The reproducer script is here:
https://paste.ubuntu.com/p/37KGy2Smnp/
* Bionic can't reproduce the issue with the 18.04 kernel, nor with
the HWE kernel. Nevertheless, it is preferable that Bionic also do the
same thing: to read bcache superblock and feed environment for
/dev/bcache/by-{uuid,label} symlinks creation.
[Regression Potential]
* We are not depending on bcache device udev events any more when
creating the /dev/bcache/by-{uuid,label}/ symlinks. Instead, we are
depending on a wrapper script that heads bcache device superblock. If
there is a bug in this wrapper the symlinks wouldn't work.
* Previously we were thinking in asking the kernel team to remove the
bcache udev event delta script they've done for previous case (LP:
#1729145). It creates the udev events that were being read and filling
the symlinks. We decided not to remove those (just from Groovy and on)
so we don't need to worry on Breaks/Conflicts in between the kernel
package and bcache-tools (and udev)).
* Long story short: kernel will continue to emit bcache udev events
as it did previously but now those events won't be used by anything -
after installing this SRU - because udev wrapper script is doing this
job (and doing it properly)
[Other Info]
- Original Description:
1.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
2.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
root@ubuntu:~# apt-cache policy linux-image-virtual
linux-image-virtual:
Installed: 5.4.0.12.15
Candidate: 5.4.0.12.15
Version table:
*** 5.4.0.12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic
linux-image-5.4.0-12-generic:
Installed: 5.4.0-12.15
Candidate: 5.4.0-12.15
Version table:
*** 5.4.0-12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/
+ ls -al /dev/bcache/by-uuid/
total 0
drwxr-xr-x 2 root root 60 Feb 4 23:31 .
drwxr-xr-x 3 root root 60 Feb 4 23:31 ..
lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a
-> ../../bcache0
4.
root@ubuntu:~# ls -al /dev/bcache/by-uuid
ls: cannot access '/dev/bcache/by-uuid': No such file or directory
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-12-generic 5.4.0-12.15
ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8
Uname: Linux 5.4.0-12-generic x86_64
ApportVersion: 2.20.11-0ubuntu16
Architecture: amd64
Date: Tue Feb 4 23:31:52 2020
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Bionic verification:
$ apt changelog bcache-tools | head -10
bcache-tools (1.0.8-2ubuntu0.18.04.1) bionic; urgency=medium
[ Ryan Harper ]
* Add helper script to read bcache devs superblock (LP: #1861941)
-- Rafael David Tinoco Wed, 05 Aug 2020
17:44:05 -0300
bcache-tools (1.0.8-2build1) artful; urgency=medium
$ dpkg-query -f '${Package}###${Version}\n' -W 'bcache-tools'
bcache-tools###1.0.8-2ubuntu0.18.04.1
$ sudo ./test-bcache.sh
/mnt is a mountpoint
/dev/bcache0: 2 bytes were erased at offset 0x0438 (ext4): 53 ef
writing 1 to /sys/class/block/bcache0/bcache/stop
writing 1 to /sys/fs/bcache/60412675-9103-47b0-9794-91fcfb12d50d/stop
/dev/vdc: 16 bytes were erased at offset 0x1018 (bcache): c6 85 73 f6 4e 1a
45 ca 82 65 f5 7f 48 ba 6d 81
10+0 records in
10+0 records out
10485760 bytes (10 MB, 10 MiB) copied, 0.0173157 s, 606 MB/s
/dev/vdb: 16 bytes were erased at offset 0x1018 (bcache): c6 85 73 f6 4e 1a
45 ca 82 65 f5 7f 48 ba 6d 81
10+0 records in
10+0 records out
10485760 bytes (10 MB, 10 MiB) copied, 0.00634546 s, 1.7 GB/s
UUID: c3758ea3-0e2c-42e3-bb77-da27292d2476
Set UUID: b2b21f55-3599-461a-b162-8377d85fbc34
version:0
nbuckets: 2048
block_size: 1
bucket_size:1024
nr_in_set: 1
nr_this_dev:0
first_bucket: 1
UUID: f4001b7e-386e-4ca3-a5e0-d53f100d156f
Set UUID: b2b21f55-3599-461a-b162-8377d85fbc34
version:1
block_size: 1
data_offset:16
/dev/vdc
tee: /sys/fs/bcache/register: Invalid argument
/dev/vdb
tee: /sys/fs/bcache/register: Invalid argument
total 0
drwxr-xr-x 2 root root 60 Aug 21 14:03 .
drwxr-xr-x 3 root root 60 Aug 21 14:03 ..
lrwxrwxrwx 1 root root 13 Aug 21 14:03 f4001b7e-386e-4ca3-a5e0-d53f100d156f ->
../../bcache0
Creating filesystems on bcache0
mke2fs 1.44.1 (24-Mar-2018)
Discarding device blocks: done
Creating filesystem with 262142 4k blocks and 65536 inodes
Filesystem UUID: 4ade91a9-6176-4a93-a34f-158fa08d0091
Superblock backups stored on blocks:
32768, 98304, 163840, 229376
Allocating group tables: done
Writing inode tables: done
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information: done
mounting bcache0 to /mnt
total 0
drwxr-xr-x 2 root root 60 Aug 21 14:03 .
drwxr-xr-x 3 root root 60 Aug 21 14:03 ..
lrwxrwxrwx 1 root root 13 Aug 21 14:03 f4001b7e-386e-4ca3-a5e0-d53f100d156f ->
../../bcache0
Everything OK
** Tags removed: verification-needed verification-needed-bionic
** Tags added: verification-done verification-done-bionic
--
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https://bugs.launchpad.net/bugs/1861941
Title:
bcache by-uuid links disappear after mounting bcache0
Status in bcache-tools package in Ubuntu:
Fix Released
Status in linux package in Ubuntu:
Fix Committed
Status in systemd package in Ubuntu:
Fix Released
Status in bcache-tools source package in Bionic:
Fix Committed
Status in systemd source package in Bionic:
Won't Fix
Status in bcache-tools source package in Focal:
Fix Released
Status in systemd source package in Focal:
In Progress
Bug description:
SRU TEAM: The last 2 commits show a summary for the merges/changes
I added some specific (to Bionic) notes in the template.
Thanks!
[Impact]
* bcache-tools udev created symlinks might disappear when other udev
events are processed for the same devices.
* after mkfs.XXX in /dev/bcacheY you might face a condition where
/dev/bcache/by-{uuid,label}/zzz symlinks are gone.
* /dev/bcache/by-{uuid,label}/ symlinks are important so bcache
devices can be addressed by their UUIDs and not the ordering they were
assembled (MAAS depends on this feature, for example).
* it was also discussed in this bug that systemd-udev should *not*
populate /dev/disk/by-uuid/ with symlinks of disks that were bcache
backing devices. this was turned into a discussion whether blkid
should report those or not, and this discussion "died" after sometime.
This last item is what the systemd update is all about: to disallow
/dev/disk/by-XXX/ creation for bcache backing devices (a simple
change that will reduce end users confusion).
[Test Case]
* The reproducer script is here:
https://paste.ubuntu.com/p/37KGy2Smnp/
* Bionic can't reproduce the issue with the 18.04 kernel, nor with
the HWE kernel. Nevertheless, it is preferable that Bionic also do the
same thing: to read bcache superblock and feed environment for
/dev/bcache/by-{uuid,label} symlinks creation.
[Regression Potential]
* We are not depending on bcache device udev events any more when
creating the /dev/bcache/by-{uuid,label}/ symlinks. Instead, we are
depe
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Fix Committed
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1861941
Title:
bcache by-uuid links disappear after mounting bcache0
Status in bcache-tools package in Ubuntu:
Fix Released
Status in linux package in Ubuntu:
Fix Committed
Status in systemd package in Ubuntu:
Fix Released
Status in bcache-tools source package in Bionic:
Fix Committed
Status in systemd source package in Bionic:
Won't Fix
Status in bcache-tools source package in Focal:
Fix Released
Status in systemd source package in Focal:
In Progress
Bug description:
SRU TEAM: The last 2 commits show a summary for the merges/changes
I added some specific (to Bionic) notes in the template.
Thanks!
[Impact]
* bcache-tools udev created symlinks might disappear when other udev
events are processed for the same devices.
* after mkfs.XXX in /dev/bcacheY you might face a condition where
/dev/bcache/by-{uuid,label}/zzz symlinks are gone.
* /dev/bcache/by-{uuid,label}/ symlinks are important so bcache
devices can be addressed by their UUIDs and not the ordering they were
assembled (MAAS depends on this feature, for example).
* it was also discussed in this bug that systemd-udev should *not*
populate /dev/disk/by-uuid/ with symlinks of disks that were bcache
backing devices. this was turned into a discussion whether blkid
should report those or not, and this discussion "died" after sometime.
This last item is what the systemd update is all about: to disallow
/dev/disk/by-XXX/ creation for bcache backing devices (a simple
change that will reduce end users confusion).
[Test Case]
* The reproducer script is here:
https://paste.ubuntu.com/p/37KGy2Smnp/
* Bionic can't reproduce the issue with the 18.04 kernel, nor with
the HWE kernel. Nevertheless, it is preferable that Bionic also do the
same thing: to read bcache superblock and feed environment for
/dev/bcache/by-{uuid,label} symlinks creation.
[Regression Potential]
* We are not depending on bcache device udev events any more when
creating the /dev/bcache/by-{uuid,label}/ symlinks. Instead, we are
depending on a wrapper script that heads bcache device superblock. If
there is a bug in this wrapper the symlinks wouldn't work.
* Previously we were thinking in asking the kernel team to remove the
bcache udev event delta script they've done for previous case (LP:
#1729145). It creates the udev events that were being read and filling
the symlinks. We decided not to remove those (just from Groovy and on)
so we don't need to worry on Breaks/Conflicts in between the kernel
package and bcache-tools (and udev)).
* Long story short: kernel will continue to emit bcache udev events
as it did previously but now those events won't be used by anything -
after installing this SRU - because udev wrapper script is doing this
job (and doing it properly)
[Other Info]
- Original Description:
1.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
2.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
root@ubuntu:~# apt-cache policy linux-image-virtual
linux-image-virtual:
Installed: 5.4.0.12.15
Candidate: 5.4.0.12.15
Version table:
*** 5.4.0.12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic
linux-image-5.4.0-12-generic:
Installed: 5.4.0-12.15
Candidate: 5.4.0-12.15
Version table:
*** 5.4.0-12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/
+ ls -al /dev/bcache/by-uuid/
total 0
drwxr-xr-x 2 root root 60 Feb 4 23:31 .
drwxr-xr-x 3 root root 60 Feb 4 23:31 ..
lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a
-> ../../bcache0
4.
root@ubuntu:~# ls -al /dev/bcache/by-uuid
ls: cannot access '/dev/bcache/by-uuid': No such file or directory
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-12-generic 5.4.0-12.15
ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8
Uname: Linux 5.4.0-12-generic x86_64
ApportVersion: 2.20.11-0ubuntu16
Architecture: amd64
Date: Tue Feb 4 23:31:52 2020
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-5.4
UpgradeStatus: No upgrade log present (probably fresh install)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
I've removed the linux projects from this bug at it's been determined to not be a kernel issue (see comment 47 for a good summary). ** No longer affects: linux-signed (Ubuntu) ** No longer affects: linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Triaged Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Bionic: New Status in linux source package in Bionic: New Status in linux-signed source package in Bionic: New Status in systemd source package in Bionic: New Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Confirmed Status in bcache-tools source package in Groovy: Triaged Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Merge proposal linked: https://code.launchpad.net/~paride/curtin/+git/curtin/+merge/387217 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Triaged Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Bionic: New Status in linux source package in Bionic: New Status in linux-signed source package in Bionic: New Status in systemd source package in Bionic: New Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Confirmed Status in bcache-tools source package in Groovy: Triaged Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Changed in: linux-signed (Ubuntu Groovy) Assignee: Colin Ian King (colin-king) => (unassigned) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Triaged Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Bionic: New Status in linux source package in Bionic: New Status in linux-signed source package in Bionic: New Status in systemd source package in Bionic: New Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Confirmed Status in bcache-tools source package in Groovy: Triaged Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Ok, I'm going to revert this from the queued-up focal commits before uploading, as IIUC the /dev/disk/by-uuid/ symlink shouldn't actually matter, since the symlink that should be used is /dev/bcache/by-uuid/. And based on comment 47 it sounds like that's accurate, and the real fix needs to go into bcache-utils to properly create the dev/bcache/by-uuid/ symlink. This can be added back to the focal queue if I've misread the patch. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Triaged Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Bionic: New Status in linux source package in Bionic: New Status in linux-signed source package in Bionic: New Status in systemd source package in Bionic: New Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Confirmed Status in bcache-tools source package in Groovy: Triaged Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
@ddstreet I'm not sure where upstream is going just yet. For Ubuntu; I think 1) Adjusting the bcache-tools patch to use the full path to bcache- super-show should change; 2) If we fix (1) then I think we can drop the systemd patch from a bug fixing perspective; on the openSUSE image I did testing on; the skip of the dev/disk/by-uuid symlink for backing devices does not *break* the /dev/bcache/by-uuid ; it was missing due to the updated 69-bcache.rules not working. 3) IMO, blkid should not report FS_UUID for bcache backing/cache devices since it's not a Filesystem; we could patch that in blkid directly instead; alternatively since older blkid's may or maynot emit FS_UUID for bcache backing/caching devices the patch to systemd we're caring will avoid creating a useless dev/disk/by-uuid symlink to those devices. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Triaged Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Bionic: New Status in linux source package in Bionic: New Status in linux-signed source package in Bionic: New Status in systemd source package in Bionic: New Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Confirmed Status in bcache-tools source package in Groovy: Triaged Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
@rbalint @raharper a commit is in the ubuntu-focal git repo for this: https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=3c228b1d9c5d83d7f0f7b7d8f2053a81de57f33c I was prepping focal for upload, but on reading the last few comments, should I revert that commit from the focal branch and upload the next systemd focal version without it? Or should it be included in the focal upload? Do we need to hold off on updating focal until it's resolved upstream? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Triaged Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Bionic: New Status in linux source package in Bionic: New Status in linux-signed source package in Bionic: New Status in systemd source package in Bionic: New Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Confirmed Status in bcache-tools source package in Groovy: Triaged Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
Re: [Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
On Tue, Jun 30, 2020 at 6:35 AM Balint Reczey <1861...@bugs.launchpad.net> wrote: > @raharper I've forwarded the systemd fix for you with minimal tidying of > the commit message https://github.com/systemd/systemd/pull/16317 Thanks! > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1861941 > > Title: > bcache by-uuid links disappear after mounting bcache0 > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions > -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Triaged Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Bionic: New Status in linux source package in Bionic: New Status in linux-signed source package in Bionic: New Status in systemd source package in Bionic: New Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Confirmed Status in bcache-tools source package in Groovy: Triaged Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
@raharper I've forwarded the systemd fix for you with minimal tidying of the commit message https://github.com/systemd/systemd/pull/16317 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Triaged Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Bionic: New Status in linux source package in Bionic: New Status in linux-signed source package in Bionic: New Status in systemd source package in Bionic: New Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Confirmed Status in bcache-tools source package in Groovy: Triaged Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: systemd (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: bcache-tools (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: linux-signed (Ubuntu Bionic) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Triaged Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Bionic: New Status in linux source package in Bionic: New Status in linux-signed source package in Bionic: New Status in systemd source package in Bionic: New Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Confirmed Status in bcache-tools source package in Groovy: Triaged Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Reopening against bcache-tools according to @raharper's comment about preferring a different fix. https://bugs.launchpad.net/ubuntu/groovy/+source/bcache-tools/+bug/1861941/comments/28 ** Changed in: bcache-tools (Ubuntu Groovy) Status: Fix Released => Triaged ** Changed in: bcache-tools (Ubuntu Groovy) Assignee: Balint Reczey (rbalint) => (unassigned) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Triaged Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Confirmed Status in bcache-tools source package in Groovy: Triaged Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Changed in: systemd (Ubuntu Focal) Status: Invalid => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Confirmed Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Is it possible to backport this ^ to Bionic? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
This bug was fixed in the package systemd - 245.6-1ubuntu1 --- systemd (245.6-1ubuntu1) groovy; urgency=medium [ Balint Reczey ] * Merge to Ubuntu from Debian unstable - Dropped changes: * Don't try calling NULL callback in bus_wait_for_units_clear. * test: Skip test-boot-timestamps on permission denied. * From journald: stream pid change newline fix - debian/patches/lp1875708/journald-Increase-stdout-buffer-size-sooner-when-almost-f.patch * meson: initialize time-epoch to reproducible builds compatible value * dhclient-exit-hooks.d/timesyncd: Act only when systemd-timesyncd is enabled (LP: #1873031) File: debian/extra/dhclient-exit-hooks.d/timesyncd https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=7d5a31fb7523d1ecef0d2932df5efa3b99322919 * debian/udev.postinst: Allow kvm to be an already present non-system group (LP: #1880541) File: debian/udev.postinst https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=8b5c31828d4323ddb719326b1316c179b7cdbdef * Cherry-pick reversion of detecting WSL by the presence of "microsoft" in osrelease File: debian/patches/Revert-detect-virt-also-detect-microsoft-as-WSL.patch https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=e13f4452698b84ecb0ca6b7950b5f0c42c02c2cf [ Ryan Harper ] * Skip over by-uuid/by-label symlinks for bcache backing and cache devices (LP: #1861941) File: debian/patches/lp1861941-dont-generate-disk-byuuid-for-bcache-uuid.patch https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=4b9a0e888ca40eaed561ec48aece23218fab18ff systemd (245.6-1) unstable; urgency=medium [ Michael Biebl ] * New upstream version 245.6 * Rebase patches [ Balint Reczey ] * debian/tests/boot-and-services: Handle missing fstab (LP: #1877078) -- Balint Reczey Thu, 11 Jun 2020 12:54:02 +0200 ** Changed in: systemd (Ubuntu Groovy) Status: Invalid => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Fix Released Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Fix Released Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.ne
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
The environment used is bionic/4.15.0-106-generic $ dpkg -l | grep bcache-tools ii bcache-tools 1.0.8-2build1 amd64bcache userspace tools -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: linux-signed (Ubuntu Focal) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Subscring ~field-critical as blocked by it on a customer deployment. Seems like the duplicate of the one below https://bugs.launchpad.net/charm-ceph-osd/+bug/1883585 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: bcache-tools (Ubuntu Focal) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: linux-signed (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: Confirmed Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: Confirmed Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: Confirmed Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
@raharper Thanks, I've uploaded the systemd fix to Groovy. Could you please forward it to upstream? Also please update bcache-tools since it is Server Team's package and I also can't upload to Debian until the next keyring refresh. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: New Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: New Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: New Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: New Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
systemd debdiff with a fix to skip creating /dev/disk/by-uuid for bcache backing, caching devices. ** Patch added: "lp1861941-skip-bcache-links.debdiff" https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+attachment/5375730/+files/lp1861941-skip-bcache-links.debdiff -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: New Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: New Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: New Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: New Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
debdiff of the changes ** Attachment added: "bcache-tools-debdiff-1.0.8-4_to_1.0.8-4ubuntu1" https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1861941/+attachment/5375722/+files/bcache-tools-debdiff-1.0.8-4_to_1.0.8-4ubuntu1 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: New Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: New Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: New Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: New Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Updated test to be a bit more resilient. ** Attachment added: "test-bcache-byuuid-links-fixed.sh" https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1861941/+attachment/5375723/+files/test-bcache-byuuid-links-fixed.sh -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: New Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: New Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: New Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: New Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Tarball of a source package with a fix for this issue: bcache-tools_1.0.8.orig.tar.gz bcache-tools_1.0.8-4ubuntu1_amd64.build bcache-tools_1.0.8-4ubuntu1_amd64.buildinfo bcache-tools_1.0.8-4ubuntu1_amd64.changes bcache-tools_1.0.8-4ubuntu1_amd64.deb bcache-tools_1.0.8-4ubuntu1.debian.tar.xz bcache-tools_1.0.8-4ubuntu1.dsc bcache-tools_1.0.8-4ubuntu1_source.build bcache-tools_1.0.8-4ubuntu1_source.buildinfo bcache-tools_1.0.8-4ubuntu1_source.changes bcache-tools-dbgsym_1.0.8-4ubuntu1_amd64.ddeb bcache-tools-debdiff-1.0.8-4_to_1.0.8-4ubuntu1 ** Attachment added: "bcache-tools-fix-lp1861941.tar.gz" https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1861941/+attachment/5375721/+files/bcache-tools-fix-lp1861941.tar.gz -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: New Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: New Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: New Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: New Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
OK.
I've reviewed the kernel code, and there are no unexpected changes w.r.t
the CACHED_UUID change event. So I don't think we will need any kernel
changes which is good.
With the small change to the 60-persistent-storage.rules to not attempt
to create a /dev/disk/by-uuid symlink for the backing device; instead we
want to only create a /dev/bcache/by-uuid symlink to the bcacheN device
(that is associated with the backing device).
# by-label/by-uuid links (filesystem metadata), skip bcache backing,caching
devices, handled in 69-bcache.rules
ENV{ID_FS_TYPE}=="bcache", GOTO="skip_fs_uuid_enc"
ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*",
SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_LABEL_ENC}=="?*",
SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
LABEL="skip_fs_uuid_enc"
And then with my previously proposed changed to 69-bcache.rules in place
https://github.com/g2p/bcache-tools/pull/29/files
The test-case works just fine.
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https://bugs.launchpad.net/bugs/1861941
Title:
bcache by-uuid links disappear after mounting bcache0
Status in bcache-tools package in Ubuntu:
Fix Released
Status in linux package in Ubuntu:
Incomplete
Status in linux-signed package in Ubuntu:
New
Status in systemd package in Ubuntu:
Invalid
Status in bcache-tools source package in Focal:
New
Status in linux source package in Focal:
Invalid
Status in linux-signed source package in Focal:
New
Status in systemd source package in Focal:
Invalid
Status in bcache-tools source package in Groovy:
Fix Released
Status in linux source package in Groovy:
Incomplete
Status in linux-signed source package in Groovy:
New
Status in systemd source package in Groovy:
Invalid
Bug description:
1.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
2.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
root@ubuntu:~# apt-cache policy linux-image-virtual
linux-image-virtual:
Installed: 5.4.0.12.15
Candidate: 5.4.0.12.15
Version table:
*** 5.4.0.12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic
linux-image-5.4.0-12-generic:
Installed: 5.4.0-12.15
Candidate: 5.4.0-12.15
Version table:
*** 5.4.0-12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/
+ ls -al /dev/bcache/by-uuid/
total 0
drwxr-xr-x 2 root root 60 Feb 4 23:31 .
drwxr-xr-x 3 root root 60 Feb 4 23:31 ..
lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a
-> ../../bcache0
4.
root@ubuntu:~# ls -al /dev/bcache/by-uuid
ls: cannot access '/dev/bcache/by-uuid': No such file or directory
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-12-generic 5.4.0-12.15
ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8
Uname: Linux 5.4.0-12-generic x86_64
ApportVersion: 2.20.11-0ubuntu16
Architecture: amd64
Date: Tue Feb 4 23:31:52 2020
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-5.4
UpgradeStatus: No upgrade log present (probably fresh install)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions
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[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Digging deeper and walking through this in a focal vm, I'm seeing some
strange things.
Starting with a clean disk, and just creating the backing device like
so:
make-bcache -B /dev/vdb
We see /dev/bcache0 get created with vdb as the backing device. Now,
after this, I see:
/dev/bcache/by-uuid/ -> ../../bcache0
This is unexpected. It should *only* appear once the bcache0 device is
actively cached; that is the bcache driver should not emit CACHED_UUID,
until the UUID is actually cached, which only happens once we've
registered a cache device with the bcache0 device. We need to look at
the kernel source to see if the SAUCE patch isn't quite right, or some
other part of bcache code has changed.
Next issue, blkid now detects the bcache dev.uuid, and this shows up
like so:
# udevadm test-builtin blkid /sys/class/block/vdb
...
vdb: Probe /dev/vdb with raid and offset=0
ID_FS_UUID=d7d7e025-b8d2-43cb-a5df-c240ba1418dc
ID_FS_UUID_ENC=d7d7e025-b8d2-43cb-a5df-c240ba1418dc
ID_FS_TYPE=bcache
ID_FS_USAGE=other
Note, it shows up as an FS_UUID, but it is *NOT* an fs_uuid; there is no
filesystem on this device at all at this time; it does have a bcache
superblock, note the FS_UUID matches the dev.uuid of the backing device.
# bcache-super-show /dev/vdb
sb.magicok
sb.first_sector 8 [match]
sb.csum 29D6774A332A280B [match]
sb.version 1 [backing device]
dev.label (empty)
dev.uuidd7d7e025-b8d2-43cb-a5df-c240ba1418dc
dev.sectors_per_block 1
dev.sectors_per_bucket 1024
dev.data.first_sector 16
dev.data.cache_mode 0 [writethrough]
dev.data.cache_state0 [detached]
cset.uuid 37b37bc1-e185-4825-8900-579df102b7d6
It's also curious that cset.uuid has a UUID, as there are no csets
created; IMO this is also a bug and it should be 0, null, or empty.
Now, here's where the udev fights over the links. The backing device,
vdb, triggers this rule in 60-persistent-storage.rules:
# by-label/by-uuid links (filesystem metadata)
ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*",
SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
This creates confusion due to the CACHED_UUID also being emitted from
the kernel, like so:
root@ubuntu:/run/udev/links# ls -al
/dev/disk/by-uuid/d7d7e025-b8d2-43cb-a5df-c240ba1418dc
lrwxrwxrwx 1 root root 9 May 21 16:39
/dev/disk/by-uuid/d7d7e025-b8d2-43cb-a5df-c240ba1418dc -> ../../vdb
root@ubuntu:/run/udev/links# ls -al
/dev/bcache/by-uuid/d7d7e025-b8d2-43cb-a5df-c240ba1418dc
lrwxrwxrwx 1 root root 13 May 21 16:39
/dev/bcache/by-uuid/d7d7e025-b8d2-43cb-a5df-c240ba1418dc -> ../../bcache0
There we have two devices both claiming the backing devices dev.uuid
value, with two different block names.
So, in summary, there are two problems to fix:
1) blkid on bcache devices should not report FS_UUID values when
FS_TYPE=bcache; there is no filesystem on it; this will need to be
discussed upstream
2) our kernel (need to check mainline vs. ours) emits CACHED_UUID when
the bcache0 is created, but no cache is attached: see this udev event:
KERNEL[2217.605118] change /devices/virtual/block/bcache0 (block)
ACTION=change
DEVPATH=/devices/virtual/block/bcache0
SUBSYSTEM=block
DRIVER=bcache
CACHED_UUID=d7d7e025-b8d2-43cb-a5df-c240ba1418dc
CACHED_LABEL=
DEVNAME=/dev/bcache0
DEVTYPE=disk
SEQNUM=5890
MAJOR=251
MINOR=0
** Changed in: linux (Ubuntu Groovy)
Status: Invalid => New
** Changed in: linux-signed (Ubuntu Groovy)
Status: Invalid => New
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https://bugs.launchpad.net/bugs/1861941
Title:
bcache by-uuid links disappear after mounting bcache0
Status in bcache-tools package in Ubuntu:
Fix Released
Status in linux package in Ubuntu:
New
Status in linux-signed package in Ubuntu:
New
Status in systemd package in Ubuntu:
Invalid
Status in bcache-tools source package in Focal:
New
Status in linux source package in Focal:
Invalid
Status in linux-signed source package in Focal:
New
Status in systemd source package in Focal:
Invalid
Status in bcache-tools source package in Groovy:
Fix Released
Status in linux source package in Groovy:
New
Status in linux-signed source package in Groovy:
New
Status in systemd source package in Groovy:
Invalid
Bug description:
1.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
2.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
root@ubuntu:~# apt-cache policy linux-image-virtual
linux-image-virtual:
Installed: 5.4.0.12.15
Candidate: 5.4.0.12.15
Version table:
*** 5.4.0.12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-g
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
@Balint I do not thing the fix you're released is correct, can you upload a new version without the scripts? Also, we should fix make-bcache -B to ensure that cset.uuid is not initialized; that may be why the kernel thinks it should emit the CACHED_UUID if the suerpblock of the device has a cset.uuid value (versus None). -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: New Status in linux-signed package in Ubuntu: New Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: New Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: New Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: New Status in linux-signed source package in Groovy: New Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
That doesn't explain why they show up sometimes, but not all of the time. There are 3 devices in play here. * The backing device, let's say /dev/vda; this is where we want to store the data. * The caching device, let's say /dev/vdb; this holds the cache. * The bcache device; this only appears when a backing device is detected; via bcache-probe which reads the header on the disk and indicates it's a bcache device. Now, there are a few sequences that we see: 1) make-bcache -b /dev/vda -c /deb/vdb will create a bcache0 with the cache and backing dev at the same time and emit the CACHED_UUID change event which runs *after* 60-persistent-storage, and adds the bcache/by-uuid links 2) After a reboot (or if you tear down a bcache0 by stopping them in sysfs) we have several scenarios where the 2 real block devices are found: 2a) order: backing, bcacheN, caching In this scenario, vda will run through 60-persistent-storage.rules and blkid will discover ID_FS_TYPE=bcache, and generates only by-path, by-id links for the device, 69-bcache.rules will run bcache-register /dev/vda which informs the kernel that a backing device has been found. If the cache device has not yet been handled by udev (we don't know if a cache device exists, bcache can work without one) then the kernel will create a bcacheN device, but without the cache device being present, it will *NOT* emit a CHANGE event with CACHED_UUID value. Now when the cache device (vdb) is going through, 60-persistent-storage.rules, blkid will discover the same settings, TYPE=bcache, generate by-path, by-id symlinks. Then 69-bcache.rules runs, triggers a bcache-register on vdb registering the cache device in the kernel and because the superblock on the backing device specifies the cache device UUID it used the kernel can bind the cache device into the correct bcacheN device. A mainline kernel (no sauce patch) does not emit a CHANGE event with CACHED_UUID value. Our sauce patch changes the kernel to emit the CHANGE event with CACHED_UUID whenever we bind a cache device to an existing bcacheN precisely so the bcache/by-* links get generated. 2b) order: cache, backing, bcacheN Here, when vdb is plugged in, the cache device is registered in the kernel, but without a backing device, no bcacheN device is created yet. Then the backing is probed, as in 2a; the bcache-register command will register it with the kernel, and create a bcache0, and since the cache device is present, mainline kernels (and ours) will emit the CHANGE event with CACHED_UUID With this in-mind; it appears to me that in the focal case we're seeing the bcache driver CHANGE event with CACHED_UUID and then additional change events from the block layer around the bcache0 device (but not emitted from the bcache driver code) So I'd like to understand why ... I expect those events to occur but not before the driver change event. And maybe that's the race here The happy path: 1. udev processing CHANGE on backing device, it's bcache so we register it 2. kernel bcache driver creates a bcache0 block device (udev ADD event) 3. udev processing CHANGE on bcache0 device 4. udev processing CHANGE on cache device, it's bcache so we register it 5. kernel bcache driver emits CHANGE event with CACHED_UUID 6. udev processing CHANGE on bcache0 device with CACHED_UUID The bad path 1. udev processing CHANGE on cache device, it's bcache so we register it 2. udev processing CHANGE on backing device, it's bcache so we register it 3. kernel bcache driver creates a bcache0 block device (udev ADD event) 4. kernel bcache driver emits CHANGE event with CACHED_UUID 5. udev processing CHANGE on bcache0 device with CACHED_UUID 6. udev processing CHANGE on bcache0 device without CACHED_UUID if the bcache change event occurs before the block layer change events, then the database does get clobbered ... but we've an incomplete trace; we should see pairs of events, one from KERNEL, and then one from UDEV. We should definitely get a complete capture for this bug. w.r.t the fix; I've a few concerns: 1) bcache-keep-symlinks relies on /dev/bcache/by-* links to exist, if they are removed, then the keep won't work. 2) The removal of the /dev/bcache/by-uuid/ happens during processing of 60-persistent-storage.rules, which will remove the link before bcache-keep-symlinks can run (it's in 69-bcache.rules) 3) since we cannot rely on the existing links, instead we should read and parse the bcache superblock devices, much like the one I put together (and you reminded me I wrote) https://github.com/g2p/bcache-tools/pull/29/files -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
@raharper To my understanding with the change action udev removes the DEVLINKS which are not still valid. Udev can't tell which links are still valid in cache/by-*. The only reason udev knows about the links is because the rule added them with SYMLINK+= when the dev was created and it is a sane assumption that when a change action appears with DEVLINKS only the new DEVLINKS are valid. Hence the fix. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Invalid Status in linux-signed package in Ubuntu: Invalid Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: New Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: New Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Invalid Status in linux-signed source package in Groovy: Invalid Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
This bug was fixed in the package bcache-tools - 1.0.8-4 --- bcache-tools (1.0.8-4) unstable; urgency=medium [ Debian Janitor ] * Trim trailing whitespace. * Bump debhelper from old 11 to 12. * Set debhelper-compat version in Build-Depends. [ Balint Reczey ] * Add Salsa CI configuration * Keep symlinks when udev changes /dev/bcacheN (LP: #1861941) * Drop update-initramfs trigger. With dh compat version 12 update-initramfs is inserted to postinst automatically -- Balint Reczey Wed, 20 May 2020 14:41:11 +0200 ** Changed in: bcache-tools (Ubuntu Groovy) Status: In Progress => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: Fix Released Status in linux package in Ubuntu: Invalid Status in linux-signed package in Ubuntu: Invalid Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: New Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: New Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: Fix Released Status in linux source package in Groovy: Invalid Status in linux-signed source package in Groovy: Invalid Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
I guess I don't understand why we see this in focal. The two events in
Colin's trace always happen on any Ubuntu kernel. We should see if we
can get another udev trace on bionic that captures both CHANGE events,
one will be from the bcache driver itself, and one is from the block
layer. THe order and content of the change event matter.
Another thing I don't understand is why does udev drop the a symlink created by
another rule? This seems like the core issue.
Looking at systemd/udev source code; udev will do a
FOREACH_DEVICE_DEVLINK and check if the name is in the database file for
the device. Its not clear to me yet how or when the database file get's
written.
The other question I have is: if we reversed the order of the focal
CHANGE events, wouldn't we see just the opposite happen (the
driver=bcache change event would not have all of the devlinks from a
blkid probe) and all of the /dev/disk/by-{id, uuid, ...} get removed
when running
I think the patch you're proposing should work; but I don't think we've
root caused why the link gets removed in the first place. Once we
understand the root cause, I think we can better understand what a fix
should look like.
Lastly, I think we might also test this out on mainline kernel; I wonder if our
SAUCE patch for emitting the CACHED_UUID needs an update (or could be dropped).
--
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1861941
Title:
bcache by-uuid links disappear after mounting bcache0
Status in bcache-tools package in Ubuntu:
In Progress
Status in linux package in Ubuntu:
Invalid
Status in linux-signed package in Ubuntu:
Invalid
Status in systemd package in Ubuntu:
Invalid
Status in bcache-tools source package in Focal:
New
Status in linux source package in Focal:
Invalid
Status in linux-signed source package in Focal:
New
Status in systemd source package in Focal:
Invalid
Status in bcache-tools source package in Groovy:
In Progress
Status in linux source package in Groovy:
Invalid
Status in linux-signed source package in Groovy:
Invalid
Status in systemd source package in Groovy:
Invalid
Bug description:
1.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
2.
root@ubuntu:~# lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
root@ubuntu:~# apt-cache policy linux-image-virtual
linux-image-virtual:
Installed: 5.4.0.12.15
Candidate: 5.4.0.12.15
Version table:
*** 5.4.0.12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic
linux-image-5.4.0-12-generic:
Installed: 5.4.0-12.15
Candidate: 5.4.0-12.15
Version table:
*** 5.4.0-12.15 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/
+ ls -al /dev/bcache/by-uuid/
total 0
drwxr-xr-x 2 root root 60 Feb 4 23:31 .
drwxr-xr-x 3 root root 60 Feb 4 23:31 ..
lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a
-> ../../bcache0
4.
root@ubuntu:~# ls -al /dev/bcache/by-uuid
ls: cannot access '/dev/bcache/by-uuid': No such file or directory
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-12-generic 5.4.0-12.15
ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8
Uname: Linux 5.4.0-12-generic x86_64
ApportVersion: 2.20.11-0ubuntu16
Architecture: amd64
Date: Tue Feb 4 23:31:52 2020
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-5.4
UpgradeStatus: No upgrade log present (probably fresh install)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions
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More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Tags added: patch -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: In Progress Status in linux package in Ubuntu: Invalid Status in linux-signed package in Ubuntu: Invalid Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: New Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: New Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: In Progress Status in linux source package in Groovy: Invalid Status in linux-signed source package in Groovy: Invalid Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
The reason for udev cleaning up the links is that they are missing from the change event's DEVLINKS. Since bcache-tools manages those symlinks IMO it should keep them around. Please take a look at the attached patch, I'll upload it if it is OK. ** Patch added: "bcache-tools_1.0.8-3ubuntu1.patch" https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1861941/+attachment/5374566/+files/bcache-tools_1.0.8-3ubuntu1.patch ** Also affects: bcache-tools (Ubuntu) Importance: Undecided Status: New ** Changed in: systemd (Ubuntu Focal) Status: New => Invalid ** Changed in: systemd (Ubuntu Groovy) Status: In Progress => Invalid ** Changed in: bcache-tools (Ubuntu Groovy) Importance: Undecided => High ** Changed in: bcache-tools (Ubuntu Groovy) Status: New => In Progress ** Changed in: linux (Ubuntu Groovy) Status: Incomplete => Invalid ** Changed in: linux (Ubuntu Focal) Status: New => Invalid ** Changed in: linux-signed (Ubuntu Groovy) Status: New => Invalid ** Changed in: bcache-tools (Ubuntu Groovy) Assignee: (unassigned) => Balint Reczey (rbalint) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in bcache-tools package in Ubuntu: In Progress Status in linux package in Ubuntu: Invalid Status in linux-signed package in Ubuntu: Invalid Status in systemd package in Ubuntu: Invalid Status in bcache-tools source package in Focal: New Status in linux source package in Focal: Invalid Status in linux-signed source package in Focal: New Status in systemd source package in Focal: Invalid Status in bcache-tools source package in Groovy: In Progress Status in linux source package in Groovy: Invalid Status in linux-signed source package in Groovy: Invalid Status in systemd source package in Groovy: Invalid Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcache-tools/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Changed in: systemd (Ubuntu Groovy) Status: New => In Progress -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: New Status in systemd package in Ubuntu: In Progress Status in linux source package in Focal: New Status in linux-signed source package in Focal: New Status in systemd source package in Focal: New Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: New Status in systemd source package in Groovy: In Progress Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
This appears not to be a kernel issue per-se, so any idea of an ETA for a fix with udev for this? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: New Status in systemd package in Ubuntu: New Status in linux source package in Focal: New Status in linux-signed source package in Focal: New Status in systemd source package in Focal: New Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: New Status in systemd source package in Groovy: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Package changed: linux-signed-5.4 (Ubuntu) => linux-signed (Ubuntu) ** Also affects: linux (Ubuntu Focal) Importance: Undecided Status: New ** Also affects: systemd (Ubuntu Focal) Importance: Undecided Status: New ** Also affects: linux-signed (Ubuntu Focal) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Groovy) Importance: Undecided Status: Incomplete ** Also affects: systemd (Ubuntu Groovy) Importance: High Assignee: Balint Reczey (rbalint) Status: New ** Also affects: linux-signed (Ubuntu Groovy) Importance: Medium Assignee: Colin Ian King (colin-king) Status: New ** Tags removed: rls-ff-incoming rls-gg-incoming -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed package in Ubuntu: New Status in systemd package in Ubuntu: New Status in linux source package in Focal: New Status in linux-signed source package in Focal: New Status in systemd source package in Focal: New Status in linux source package in Groovy: Incomplete Status in linux-signed source package in Groovy: New Status in systemd source package in Groovy: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Tags added: id-5eb42c73b200d93d8fb66e1e -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Status in systemd package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Tags added: rls-gg-incoming -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Status in systemd package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Merge proposal linked: https://code.launchpad.net/~rbalint/ubuntu/+source/systemd/+git/systemd/+merge/382712 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Status in systemd package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Merge proposal unlinked: https://code.launchpad.net/~rbalint/ubuntu/+source/systemd/+git/systemd/+merge/382712 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Status in systemd package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
udev source package last existed in precise. systemd-udevd is now shipped in src:systemd, please file all future udev bugs against systemd as a starting point. ** Package changed: udev (Ubuntu) => systemd (Ubuntu) ** Changed in: systemd (Ubuntu) Assignee: Dimitri John Ledkov (xnox) => Balint Reczey (rbalint) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Status in systemd package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Following up my question; we should see both events in all kernels. The first event is when the /dev/bcache0 is joined with a cache device, and emitts the CACHED_UUID value in the uevent; the UUID is the *backing device bcache metadata UUID* it is not related to the content contained within the backing device; this CACHED_UUID is symlinked at /dev/bcache /by-uuid Once /dev/bcache0 is created, blkid will scan the contents of /dev/bcache0 which contains an ext4 filesystem and the FS_UUID is symlinked at /dev/disk/by-uuid. CACHED_UUID != FS_UUID /dev/bcache/by-uuid != /dev/disk/by-uuid I speculate that udev has a bug where it's only looking at the basename of the symlink target and removing any other 'by-uuid' link against the device when it needs to account for the full path of the symlink since the bcache/by-uuid is different than the disk/by-uuid. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Status in udev package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
So, this looks like the bug to me: Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: bcache0: /usr/lib/udev/rules.d/60-persistent-storage.rules:112 LINK 'disk/by-uuid/30b28bee-6a1e-423d-9d53-32c78ba5454a' Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: bcache0: Updating old name, '/dev/bcache/by-uuid/1522715e-a390-40db-8d47-06fb728014e5' no longer belonging to '/devices/virtual/block/bcache0' Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: bcache0: No reference left, removing '/dev/bcache/by-uuid/1522715e-a390-40db-8d47-06fb728014e5' Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: bcache0: Handling device node '/dev/bcache0', devnum=b251:0 In Focal, the second event is valid, but 60-persistent-storage.rules has no rules that touch /dev/bcache/by-uuid; they don't even use the same ENV value ... so why would the by-uuid symlink rule in 60-persistent-storage.rules remove a link it doesn't have a rule for? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Status in udev package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Do we have any more information on why we now get two events in Focal? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Status in udev package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
The good news is that the bcache events are reaching udev, however the /usr/lib/udev/rules.d/60-persistent-storage.rules rules may need to be modified to ignore bcache specific events. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Status in udev package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
I think we need a udev plumbing expert, I've exhausted my udev knowledge. For older releases such as bionic we have one event: UDEV [1304.304437] change /devices/virtual/block/bcache0 (block) .ID_FS_TYPE_NEW= ACTION=change CACHED_LABEL= CACHED_UUID=0192e0a7-9d8e-4771-9bb1-d730a2f66a9d DEVLINKS=/dev/bcache/by-uuid/0192e0a7-9d8e-4771-9bb1-d730a2f66a9d DEVNAME=/dev/bcache0 DEVPATH=/devices/virtual/block/bcache0 DEVTYPE=disk DRIVER=bcache ID_FS_TYPE= MAJOR=251 MINOR=0 SEQNUM=4384 SUBSYSTEM=block TAGS=:systemd: USEC_INITIALIZED=1304237024 that creates the expected symlink. - For focal, instead we get two events: UDEV [2763.370729] change /devices/virtual/block/bcache0 (block) ACTION=change DEVPATH=/devices/virtual/block/bcache0 SUBSYSTEM=block DRIVER=bcache CACHED_UUID=1522715e-a390-40db-8d47-06fb728014e5 CACHED_LABEL= DEVNAME=/dev/bcache0 DEVTYPE=disk SEQNUM=5523 USEC_INITIALIZED=2763323504 .ID_FS_TYPE_NEW= ID_FS_TYPE= MAJOR=251 MINOR=0 DEVLINKS=/dev/bcache/by-uuid/1522715e-a390-40db-8d47-06fb728014e5 TAGS=:systemd: KERNEL[2784.362374] change /devices/virtual/block/bcache0 (block) ACTION=change DEVPATH=/devices/virtual/block/bcache0 SUBSYSTEM=block SYNTH_UUID=0 DEVNAME=/dev/bcache0 DEVTYPE=disk SEQNUM=5524 MAJOR=251 MINOR=0 UDEV [2784.433618] change /devices/virtual/block/bcache0 (block) ACTION=change DEVPATH=/devices/virtual/block/bcache0 SUBSYSTEM=block SYNTH_UUID=0 DEVNAME=/dev/bcache0 DEVTYPE=disk SEQNUM=5524 USEC_INITIALIZED=2763323504 ID_FS_UUID=30b28bee-6a1e-423d-9d53-32c78ba5454a ID_FS_UUID_ENC=30b28bee-6a1e-423d-9d53-32c78ba5454a ID_FS_VERSION=1.0 ID_FS_TYPE=ext4 ID_FS_USAGE=filesystem .ID_FS_TYPE_NEW=ext4 MAJOR=251 MINOR=0 DEVLINKS=/dev/disk/by-uuid/30b28bee-6a1e-423d-9d53-32c78ba5454a TAGS=:systemd: This performs: pr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: Processing device (SEQNUM=5523, ACTION=change) Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: Removing watch Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: value '[dmi/id]sys_vendor' is 'QEMU' Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: value '[dmi/id]sys_vendor' is 'QEMU' Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: /usr/lib/udev/rules.d/60-persistent-storage.rules:109 Importing properties from results of builtin command 'blkid' Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: Probe /dev/bcache0 with raid and offset=0 Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: /usr/lib/udev/rules.d/69-bcache.rules:16 Importing properties from results of 'probe-bcache -o udev /dev/bcache0' Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: Starting 'probe-bcache -o udev /dev/bcache0' Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: Successfully forked off '(spawn)' as PID 1912. Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: Process 'probe-bcache -o udev /dev/bcache0' succeeded. Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: /usr/lib/udev/rules.d/69-bcache.rules:27 LINK 'bcache/by-uuid/1522715e-a390-40db-8d47-06fb728014e5' Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: Handling device node '/dev/bcache0', devnum=b251:0 Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: Preserve already existing symlink '/dev/block/251:0' to '../bcache0' Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: Creating symlink '/dev/bcache/by-uuid/1522715e-a390-40db-8d47-06fb728014e5' to '../../bcache0' Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: sd-device: Created db file '/run/udev/data/b251:0' for '/devices/virtual/block/bcache0' Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: Adding watch on '/dev/bcache0' Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: sd-device: Created db file '/run/udev/data/b251:0' for '/devices/virtual/block/bcache0' Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: Device (SEQNUM=5523, ACTION=change) processed Apr 21 14:15:22 ubuntu-focal systemd-udevd[1870]: bcache0: sd-device-monitor: Passed 388 byte to netlink monitor followed by the extra action: Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: bcache0: Processing device (SEQNUM=5524, ACTION=change) Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: bcache0: Removing watch Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: value '[dmi/id]sys_vendor' is 'QEMU' Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: value '[dmi/id]sys_vendor' is 'QEMU' Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: bcache0: /usr/lib/udev/rules.d/60-persistent-storage.rules:109 Importing properties from results of builtin command 'blkid' Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: bcache0: Probe /dev/bcache0 with raid and offset=0 Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: bcache0: /usr/lib/udev/rules.d/60-persistent-storage.rules:112 LINK 'disk/by-uuid/30b28bee-6a1e-423d-9d53-32c78ba5454a' Apr 21 14:15:43 ubuntu-focal systemd-udevd[1916]: bcache0: Updating old name, '/dev/bcache/by-uuid/1
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Thanks for the data. I suspect the racy nature is why I can't reproduce it on my H/W, perhaps the I/O and/or CPU speeds are relevant in tripping the issue. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
I'm on Focal desktop, running kvm like so qemu-system-x86_64 -smp 2 -m 1024 --enable-kvm \ -drive id=disk0,if=none,format=qcow2,file=bionic-bcache-links.qcow2 \ -device virtio-blk-pci,drive=disk0,bootindex=0 \ -drive id=disk1,if=none,format=raw,file=bcache1.img \ -device virtio-blk-pci,drive=disk1 \ -drive id=disk2,if=none,format=raw,file=bcache2.img \ -device virtio-blk-pci,drive=disk2 \ -drive id=cdrom0,if=none,media=cdrom,file=seed.img \ -device virtio-blk-pci,drive=cdrom0,bootindex=1 \ -net user,hostfwd=tcp::2-:22 -net nic,model=virtio \ -monitor stdio -vnc 0.0.0.0:0 \ -object rng-random,filename=/dev/urandom,id=rng0 \ -device virtio-rng-pci,rng=rng0 \ -serial telnet:localhost:2446,nowait,server The images are created with: wget https://cloud-images.ubuntu.com/daily/server/server/bionic/current/bionic-server-cloudimg-amd64.img qemu-img create -f qcow2 -b bionic-server-cloudimg-amd64.img \ bionic-bcache-linux.qcow2 20G qemu-img create -f raw bcache1.img 10G qemu-img create -f raw bcache2.img 10G catmeta-data } echo "Creating seed..." cloud-localds ${SEED} ${USERDATA} meta-data } qemu-system-x86_64 -smp 2 -m 1024 --enable-kvm \ -drive id=disk0,if=none,format=qcow2,file=${BOOT} \ -device virtio-blk-pci,drive=disk0,bootindex=0 \ -drive id=disk1,if=none,format=raw,file=${DISK1} \ -device virtio-blk-pci,drive=disk1 \ -drive id=cdrom0,if=none,media=cdrom,file=${SEED} \ -device virtio-blk-pci,drive=cdrom0,bootindex=1 \ -net user,hostfwd=tcp::2-:22 \ -net nic,model=virtio \ -monitor stdio \ -vnc 0.0.0.0:0 \ -object rng-random,filename=/dev/urandom,id=rng0 \ -device virtio-rng-pci,rng=rng0 \ -serial telnet:localhost:2446,nowait,server \ EOF # watch the server boot with telnet localhost 2446 # ssh into the instance with ssh -p 2 ubuntu@localhost ** Changed in: linux (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: New Status in linux-signed-5.4 package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
It appears that it's always been a touch racy. Curtin does not create bcaches like the script does (make-bcache --wipe-bcache -C /dev/sdc -B /dev/sdb), rather we make the cache-dev and backing dev separately, and then attach them by echoing the cacheset uuid into the bcache device attach sysfs file. The issue is after install when we first boot the system that has one or more bcache devices, we *sometimes* don't see the /dev/bcache/by-uuid symlinks show up. Focal _always_ fails; Eoan works sometimes, in our testing, bionic has never failed; though clearly it suffers from the same (or similar) race. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: New Status in linux-signed-5.4 package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Requested output on bionic release image (4.15-20) ** Attachment added: "bcache-release-4.15-20.txt" https://bugs.launchpad.net/ubuntu/+source/linux-signed-5.4/+bug/1861941/+attachment/5350481/+files/bcache-release-4.15-20.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: New Status in linux-signed-5.4 package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Requested data from a daily cloud image with 4.15-76 ** Attachment added: "bcache-daily-4.15-76.txt" https://bugs.launchpad.net/ubuntu/+source/linux-signed-5.4/+bug/1861941/+attachment/5350483/+files/bcache-daily-4.15-76.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: New Status in linux-signed-5.4 package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
I've tested this with 4.15, 5.0, 5.3 and 5.4 kernels on bionic, eoan and focal and I'm getting the same results, always a failure. I've not got it to work at all on 4.15.0 so far. I'm not sure why this is. Can you run this on a 4.15 based system and gather the output from bash -x ./test-bcache-byuuid-links.sh and provide: 1. the output of a bash -x run that works 2. the kernel version and release info Then I'll have a go at reproducing it again. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
** Changed in: linux-signed-5.4 (Ubuntu) Importance: Undecided => Medium ** Changed in: linux-signed-5.4 (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: Incomplete Status in linux-signed-5.4 package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
Adding Linux task to get kernel team's attention ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux package in Ubuntu: New Status in linux-signed-5.4 package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1861941] Re: bcache by-uuid links disappear after mounting bcache0
This is still occurring daily. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed-5.4 in Ubuntu. https://bugs.launchpad.net/bugs/1861941 Title: bcache by-uuid links disappear after mounting bcache0 Status in linux-signed-5.4 package in Ubuntu: New Bug description: 1. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 2. root@ubuntu:~# lsb_release -rd Description: Ubuntu Focal Fossa (development branch) Release: 20.04 root@ubuntu:~# apt-cache policy linux-image-virtual linux-image-virtual: Installed: 5.4.0.12.15 Candidate: 5.4.0.12.15 Version table: *** 5.4.0.12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status root@ubuntu:~# apt-cache policy linux-image-5.4.0-12-generic linux-image-5.4.0-12-generic: Installed: 5.4.0-12.15 Candidate: 5.4.0-12.15 Version table: *** 5.4.0-12.15 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status 3. mount /dev/bcache0 && ls -al /dev/bcache/by-uuid/ + ls -al /dev/bcache/by-uuid/ total 0 drwxr-xr-x 2 root root 60 Feb 4 23:31 . drwxr-xr-x 3 root root 60 Feb 4 23:31 .. lrwxrwxrwx 1 root root 13 Feb 4 23:31 abdfd1f6-44ce-4266-91db-24667b9ae51a -> ../../bcache0 4. root@ubuntu:~# ls -al /dev/bcache/by-uuid ls: cannot access '/dev/bcache/by-uuid': No such file or directory ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 Date: Tue Feb 4 23:31:52 2020 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-5.4/+bug/1861941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
