[Kernel-packages] [Bug 1906476] Re: PANIC at zfs_znode.c:335:zfs_znode_sa_init() // VERIFY(0 == sa_handle_get_from_db(zfsvfs->z_os, db, zp, SA_HDL_SHARED, &zp->z_sa_hdl)) failed

2021-10-10 Thread Nick Moffitt 
I ran into this over the past few days, and the zfs-dkms install via
recovery also worked for me, though be warned that you will need to take
careful steps with secureboot to enrol the MOK that this generates for
you.

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Title:
  PANIC at zfs_znode.c:335:zfs_znode_sa_init() // VERIFY(0 ==
  sa_handle_get_from_db(zfsvfs->z_os, db, zp, SA_HDL_SHARED,
  &zp->z_sa_hdl)) failed

Status in Native ZFS for Linux:
  New
Status in zfs-linux package in Ubuntu:
  Fix Released
Status in zfs-linux source package in Impish:
  Fix Released

Bug description:
  Since today while running Ubuntu 21.04 Hirsute I started getting a ZFS
  panic in the kernel log which was also hanging Disk I/O for all
  Chrome/Electron Apps.

  I have narrowed down a few important notes:
  - It does not happen with module version 0.8.4-1ubuntu11 built and included 
with 5.8.0-29-generic

  - It was happening when using zfs-dkms 0.8.4-1ubuntu16 built with DKMS
  on the same kernel and also on 5.8.18-acso (a custom kernel).

  - For whatever reason multiple Chrome/Electron apps were affected,
  specifically Discord, Chrome and Mattermost. In all cases they seem
  (but I was unable to strace the processes so it was a bit hard ot
  confirm 100% but by deduction from /proc/PID/fd and the hanging ls)
  they seem hung trying to open files in their 'Cache' directory, e.g.
  ~/.cache/google-chrome/Default/Cache and ~/.config/Mattermost/Cache ..
  while the issue was going on I could not list that directory either
  "ls" would just hang.

  - Once I removed zfs-dkms only to revert to the kernel built-in
  version it immediately worked without changing anything, removing
  files, etc.

  - It happened over multiple reboots and kernels every time, all my
  Chrome apps weren't working but for whatever reason nothing else
  seemed affected.

  - It would log a series of spl_panic dumps into kern.log that look like this:
  Dec  2 12:36:42 optane kernel: [   72.857033] VERIFY(0 == 
sa_handle_get_from_db(zfsvfs->z_os, db, zp, SA_HDL_SHARED, &zp->z_sa_hdl)) 
failed
  Dec  2 12:36:42 optane kernel: [   72.857036] PANIC at 
zfs_znode.c:335:zfs_znode_sa_init()

  I could only find one other google reference to this issue, with 2 other 
users reporting the same error but on 20.04 here:
  https://github.com/openzfs/zfs/issues/10971

  - I was not experiencing the issue on 0.8.4-1ubuntu14 and fairly sure
  it was working on 0.8.4-1ubuntu15 but broken after upgrade to
  0.8.4-1ubuntu16. I will reinstall those zfs-dkms versions to verify
  that.

  There were a few originating call stacks but the first one I hit was

  Call Trace:
   dump_stack+0x74/0x95
   spl_dumpstack+0x29/0x2b [spl]
   spl_panic+0xd4/0xfc [spl]
   ? sa_cache_constructor+0x27/0x50 [zfs]
   ? _cond_resched+0x19/0x40
   ? mutex_lock+0x12/0x40
   ? dmu_buf_set_user_ie+0x54/0x80 [zfs]
   zfs_znode_sa_init+0xe0/0xf0 [zfs]
   zfs_znode_alloc+0x101/0x700 [zfs]
   ? arc_buf_fill+0x270/0xd30 [zfs]
   ? __cv_init+0x42/0x60 [spl]
   ? dnode_cons+0x28f/0x2a0 [zfs]
   ? _cond_resched+0x19/0x40
   ? _cond_resched+0x19/0x40
   ? mutex_lock+0x12/0x40
   ? aggsum_add+0x153/0x170 [zfs]
   ? spl_kmem_alloc_impl+0xd8/0x110 [spl]
   ? arc_space_consume+0x54/0xe0 [zfs]
   ? dbuf_read+0x4a0/0xb50 [zfs]
   ? _cond_resched+0x19/0x40
   ? mutex_lock+0x12/0x40
   ? dnode_rele_and_unlock+0x5a/0xc0 [zfs]
   ? _cond_resched+0x19/0x40
   ? mutex_lock+0x12/0x40
   ? dmu_object_info_from_dnode+0x84/0xb0 [zfs]
   zfs_zget+0x1c3/0x270 [zfs]
   ? dmu_buf_rele+0x3a/0x40 [zfs]
   zfs_dirent_lock+0x349/0x680 [zfs]
   zfs_dirlook+0x90/0x2a0 [zfs]
   ? zfs_zaccess+0x10c/0x480 [zfs]
   zfs_lookup+0x202/0x3b0 [zfs]
   zpl_lookup+0xca/0x1e0 [zfs]
   path_openat+0x6a2/0xfe0
   do_filp_open+0x9b/0x110
   ? __check_object_size+0xdb/0x1b0
   ? __alloc_fd+0x46/0x170
   do_sys_openat2+0x217/0x2d0
   ? do_sys_openat2+0x217/0x2d0
   do_sys_open+0x59/0x80
   __x64_sys_openat+0x20/0x30

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[Kernel-packages] [Bug 1936958] [NEW] mlx5_core crash, taking down a bond

2021-07-20 Thread Nick Moffitt 
Public bug reported:

Jul 20 14:40:23 anonster kernel: [ 1716.692818] mlx5_core :03:00.0: 
assert_var[0] 0x
Jul 20 14:40:23 anonster kernel: [ 1716.698541] mlx5_core :03:00.0: 
assert_var[1] 0x
Jul 20 14:40:23 anonster kernel: [ 1716.704240] mlx5_core :03:00.0: 
assert_var[2] 0x
Jul 20 14:40:23 anonster kernel: [ 1716.709945] mlx5_core :03:00.0: 
assert_var[3] 0x
Jul 20 14:40:23 anonster kernel: [ 1716.715641] mlx5_core :03:00.0: 
assert_var[4] 0x
Jul 20 14:40:23 anonster kernel: [ 1716.721343] mlx5_core :03:00.0: 
assert_exit_ptr 0x
Jul 20 14:40:23 anonster kernel: [ 1716.727214] mlx5_core :03:00.0: 
assert_callra 0x
Jul 20 14:40:23 anonster kernel: [ 1716.732917] mlx5_core :03:00.0: fw_ver 
65535.65535.65535
Jul 20 14:40:23 anonster kernel: [ 1716.738617] mlx5_core :03:00.0: hw_id 
0x
Jul 20 14:40:23 anonster kernel: [ 1716.743620] mlx5_core :03:00.0: 
irisc_index 255
Jul 20 14:40:23 anonster kernel: [ 1716.748530] mlx5_core :03:00.0: synd 
0xff: unrecognized error
Jul 20 14:40:23 anonster kernel: [ 1716.754662] mlx5_core :03:00.0: 
ext_synd 0x
Jul 20 14:40:23 anonster kernel: [ 1716.759578] mlx5_core :03:00.0: raw 
fw_ver 0x
Jul 20 14:40:23 anonster kernel: [ 1716.765038] WARNING: CPU: 0 PID: 0 at 
/build/linux-hwe-EPHQQp/linux-hwe-4.15.0/kernel/time/timer.c:898 
mod_timer+0x3e4/0x400
Jul 20 14:40:23 anonster kernel: [ 1716.765039] Modules linked in: binfmt_misc 
lkp_Ubuntu_4_15_0_142_146_generic_78(OEK) bonding nls_iso8859_1 xfs 
edac_mce_amd ipmi_ssif kvm_amd hpilo kvm i
2c_piix4 irqbypass ipmi_si
Jul 20 14:40:23 anonster kernel: [ 1716.765051] mlx5_core :03:00.0: 
health_care:194:(pid 29045): handling bad device here
Jul 20 14:40:23 anonster kernel: [ 1716.765052]  ipmi_devintf ipmi_msghandler 
shpchp acpi_power_meter
Jul 20 14:40:23 anonster kernel: [ 1716.765057] mlx5_core :03:00.0: 
mlx5_handle_bad_state:152:(pid 29045): Expected to see disabled NIC but it is 
has invalid value 3
Jul 20 14:40:23 anonster kernel: [ 1716.765058]  k10temp mac_hid ib_iser
Jul 20 14:40:23 anonster kernel: [ 1716.765062] mlx5_core :03:00.0: 
mlx5_pci_err_detected was called
Jul 20 14:40:23 anonster kernel: [ 1716.765063]  rdma_cm iw_cm ib_cm
Jul 20 14:40:23 anonster kernel: [ 1716.765067] mlx5_core :03:00.0: 
mlx5_enter_error_state:121:(pid 29045): start
Jul 20 14:40:23 anonster kernel: [ 1716.765067]  ib_core iscsi_tcp libiscsi_tcp 
libiscsi scsi_transport_iscsi autofs4 btrfs zstd_compress raid10 raid456 
async_raid6_recov async_memcpy async
_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear 
bcache ses enclosure crct10dif_pclmul crc32_pclmul mgag200 ghash_clmulni_intel 
pcbc ttm drm_kms_helper aesni_intel
 mlx5_core syscopyarea sysfillrect igb sysimgblt aes_x86_64 fb_sys_fops 
crypto_simd glue_helper mlxfw dca nvme cryptd drm devlink i2c_algo_bit smartpqi 
nvme_core ptp scsi_transport_sas pps_
core wmi
Jul 20 14:40:23 anonster kernel: [ 1716.772598] CPU: 0 PID: 0 Comm: swapper/0 
Tainted: G   OE K  4.15.0-142-generic #146~16.04.1-Ubuntu
Jul 20 14:40:23 anonster kernel: [ 1716.772598] Hardware name: HPE ProLiant 
DL325 Gen10 Plus/ProLiant DL325 Gen10 Plus, BIOS A43 05/11/2020
Jul 20 14:40:23 anonster kernel: [ 1716.772600] RIP: 0010:mod_timer+0x3e4/0x400
Jul 20 14:40:23 anonster kernel: [ 1716.772601] RSP: 0018:91e55e603e30 
EFLAGS: 00010093
Jul 20 14:40:23 anonster kernel: [ 1716.772603] RAX: 000100056792 RBX: 
0001000567c4 RCX: 00010005678a
Jul 20 14:40:23 anonster kernel: [ 1716.772603] RDX: 00010005678c RSI: 
91e55e603e48 RDI: 91e55e61a700
Jul 20 14:40:23 anonster kernel: [ 1716.772604] RBP: 91e55e603e80 R08: 
91e55e010800 R09: 91e55dc01ff0
Jul 20 14:40:23 anonster kernel: [ 1716.772605] R10:  R11: 
0040 R12: 91e54bb4d8d8
Jul 20 14:40:23 anonster kernel: [ 1716.772606] R13: 91e54bb4d8d8 R14: 
91e55e61a700 R15: 91e54bb4d8d8
Jul 20 14:40:23 anonster kernel: [ 1716.772607] FS:  () 
GS:91e55e60() knlGS:
Jul 20 14:40:23 anonster kernel: [ 1716.772607] CS:  0010 DS:  ES:  
CR0: 80050033
Jul 20 14:40:23 anonster kernel: [ 1716.772608] CR2: 7fd20bd2e000 CR3: 
000816294000 CR4: 00340ef0
Jul 20 14:40:23 anonster kernel: [ 1716.772609] Call Trace:
Jul 20 14:40:23 anonster kernel: [ 1716.772611]  
Jul 20 14:40:23 anonster kernel: [ 1716.772617]  ? 
fbcon_add_cursor_timer+0xc0/0xc0
Jul 20 14:40:23 anonster kernel: [ 1716.772620]  cursor_timer_handler+0x45/0x50
Jul 20 14:40:23 anonster kernel: [ 1716.772622] mlx5_core :03:00.0: 
mlx5_enter_error_state:128:(pid 29045): end
Jul 20 14:40:23 anonster kernel: [ 1716.779975]  call_timer_fn+0x32/0x140
Jul 20 14:40:23 anonster kernel: [ 1716.779976]  run_timer_softirq+0x1e9/0x430
Jul 20 14:40:23 anonster kernel: [ 1716.779978]  ? ktime_get+0x3e/0xb0

[Kernel-packages] [Bug 1909486] Re: tiocspgrp()" Privilege Escalation Vulnerability

2021-02-24 Thread Nick Moffitt 
** Description changed:

- A race condition error related to the "tiocspgrp()" function
- (drivers/tty/tty_jobctrl.c) can be exploited to trigger a use-after-free
- and subsequently gain elevated privileges.
+ CVE 2020-29661 https://bugs.launchpad.net/bugs/cve/2020-29661
  
- The vulnerability is reported in versions 5.9.x prior to 5.9.14, 5.4.x
- prior to 5.4.83, 4.19.x prior to 4.19.163, 4.14.x prior to 4.14.212,
- 4.9.x prior to 4.9.248, and 4.4.x prior to 4.4.248.
- 
- Affected Software
- 
- The following software is affected by the described vulnerability.
- Please check the vendor links below to see if exactly your version is
- affected.
- 
- Linux Kernel 4.14.x
- Linux Kernel 4.19.x
- Linux Kernel 4.4.x
- Linux Kernel 4.9.x
- Linux Kernel 5.4.x
- Linux Kernel 5.9.x
- 
- Solution
- 
- Update to a fixed version.
- 
- Versions 5.9.x:
- Update to version 5.9.14 or later.
- 
- Versions 5.4.x:
- Update to version 5.4.83 or later.
- 
- Versions 4.19.x:
- Update to version 4.19.163.
- 
- Versions 4.14.x:
- Update to version 4.14.212.
- 
- Versions 4.9.x:
- Update to version 4.9.248.
- 
- Versions 4.4.x:
- Update to version 4.4.248.
- 
- References
- 
- 1. https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.14 

- 2. https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.83 

- 3. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.163 

- 4. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.212 

- 5. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.248 

- 6. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.248 

- 7. https://bugs.chromium.org/p/project-zero/issues/detail?id=2125 

- 8. 
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=54ffccbf053b5b6ca4f6e45094b942fab92a25fc
 

- 
- 
- Detected in Ubuntu 16, which uses 4.4.x kernel.
+ A locking issue was discovered in the tty subsystem of the Linux kernel
+ through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack
+ against TIOCSPGRP, aka CID-54ffccbf053b.

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Title:
  tiocspgrp()" Privilege Escalation Vulnerability

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  CVE 2020-29661 https://bugs.launchpad.net/bugs/cve/2020-29661

  A locking issue was discovered in the tty subsystem of the Linux
  kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-
  free attack against TIOCSPGRP, aka CID-54ffccbf053b.

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[Kernel-packages] [Bug 1865182] Re: lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-14-generic/modules.builtin.bin'

2020-03-02 Thread Nick Moffitt 
Looking at bug#1863261 the depmod error may be a red herring.

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Title:
  lookup_builtin_file() could not open builtin file
  '/lib/modules/5.4.0-14-generic/modules.builtin.bin'

Status in linux-5.4 package in Ubuntu:
  Confirmed

Bug description:
  This error did not take place on my laptop (where I ran apport, for
  convenience), but on a server being deployed to Focal with MAAS.

  The initial deployment boot worked fine, and that was lucky as it
  meant I could ssh in and tail /var/log/syslog while it went through
  the upgrades and cloud-init steps.  But after this it reboots without
  network configuration.

  I've attached the logs mentioned above.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-modules-5.4.0-14-generic 5.4.0-14.17
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  ApportVersion: 2.20.11-0ubuntu18
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  nick   1445 F pulseaudio
   /dev/snd/controlC0:  nick   1445 F pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Feb 28 16:17:47 2020
  Dependencies:
   
  InstallationDate: Installed on 2020-02-24 (4 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  MachineType: LENOVO 20ALCT01WW
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-14-generic 
root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Daemon 
not responding.
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-14-generic N/A
   linux-backports-modules-5.4.0-14-generic  N/A
   linux-firmware1.186
  SourcePackage: linux-5.4
  UpgradeStatus: Upgraded to focal on 2020-02-24 (4 days ago)
  dmi.bios.date: 12/15/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GIET84WW (2.34 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20ALCT01WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98417 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGIET84WW(2.34):bd12/15/2015:svnLENOVO:pn20ALCT01WW:pvrThinkPadX240:rvnLENOVO:rn20ALCT01WW:rvr0B98417WIN:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.family: ThinkPad X240
  dmi.product.name: 20ALCT01WW
  dmi.product.sku: LENOVO_MT_20AL_BU_Think_FM_ThinkPad X240
  dmi.product.version: ThinkPad X240
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1865182] Re: lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-14-generic/modules.builtin.bin'

2020-03-02 Thread Nick Moffitt 
And from MAAS boot it seems like this was running the right kernel:

[0.00] Linux version 5.4.0-14-generic (buildd@lgw01-amd64-034) (gcc 
version 9.2.1 20200203 (Ubuntu 9.2.1-28ubuntu1)) #17-Ubuntu SMP Thu Feb 6 
22:47:59 UTC 2020 (Ubuntu 5.4.0-14.17-generic 5.4.18)
[0.00] Command line: BOOT_IMAGE=/boot/vmlinuz-5.4.0-14-generic 
root=UUID=3b923f7b-c9b3-4b86-9c53-1a8c65af7551 ro console=ttyS1,115200 nosplash 
netcfg/do_not_use_netplan=true

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Title:
  lookup_builtin_file() could not open builtin file
  '/lib/modules/5.4.0-14-generic/modules.builtin.bin'

Status in linux-5.4 package in Ubuntu:
  Confirmed

Bug description:
  This error did not take place on my laptop (where I ran apport, for
  convenience), but on a server being deployed to Focal with MAAS.

  The initial deployment boot worked fine, and that was lucky as it
  meant I could ssh in and tail /var/log/syslog while it went through
  the upgrades and cloud-init steps.  But after this it reboots without
  network configuration.

  I've attached the logs mentioned above.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-modules-5.4.0-14-generic 5.4.0-14.17
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  ApportVersion: 2.20.11-0ubuntu18
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  nick   1445 F pulseaudio
   /dev/snd/controlC0:  nick   1445 F pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Feb 28 16:17:47 2020
  Dependencies:
   
  InstallationDate: Installed on 2020-02-24 (4 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  MachineType: LENOVO 20ALCT01WW
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-14-generic 
root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Daemon 
not responding.
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-14-generic N/A
   linux-backports-modules-5.4.0-14-generic  N/A
   linux-firmware1.186
  SourcePackage: linux-5.4
  UpgradeStatus: Upgraded to focal on 2020-02-24 (4 days ago)
  dmi.bios.date: 12/15/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GIET84WW (2.34 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20ALCT01WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98417 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGIET84WW(2.34):bd12/15/2015:svnLENOVO:pn20ALCT01WW:pvrThinkPadX240:rvnLENOVO:rn20ALCT01WW:rvr0B98417WIN:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.family: ThinkPad X240
  dmi.product.name: 20ALCT01WW
  dmi.product.sku: LENOVO_MT_20AL_BU_Think_FM_ThinkPad X240
  dmi.product.version: ThinkPad X240
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1865182] Re: lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-14-generic/modules.builtin.bin'

2020-03-02 Thread Nick Moffitt 
It's still happening:

Mar  2 10:05:37 negret cloud-init[2450]: depmod: ERROR:
../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin
file '/lib/modules/5.4.0-14-generic/modules.builtin.bin'

-rw-r--r-- 1 root root 10257 Mar  1 22:11
/lib/modules/5.4.0-14-generic/modules.builtin.bin

So I'm not sure why it has trouble!

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https://bugs.launchpad.net/bugs/1865182

Title:
  lookup_builtin_file() could not open builtin file
  '/lib/modules/5.4.0-14-generic/modules.builtin.bin'

Status in linux-5.4 package in Ubuntu:
  Confirmed

Bug description:
  This error did not take place on my laptop (where I ran apport, for
  convenience), but on a server being deployed to Focal with MAAS.

  The initial deployment boot worked fine, and that was lucky as it
  meant I could ssh in and tail /var/log/syslog while it went through
  the upgrades and cloud-init steps.  But after this it reboots without
  network configuration.

  I've attached the logs mentioned above.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-modules-5.4.0-14-generic 5.4.0-14.17
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  ApportVersion: 2.20.11-0ubuntu18
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  nick   1445 F pulseaudio
   /dev/snd/controlC0:  nick   1445 F pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Feb 28 16:17:47 2020
  Dependencies:
   
  InstallationDate: Installed on 2020-02-24 (4 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  MachineType: LENOVO 20ALCT01WW
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-14-generic 
root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Daemon 
not responding.
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-14-generic N/A
   linux-backports-modules-5.4.0-14-generic  N/A
   linux-firmware1.186
  SourcePackage: linux-5.4
  UpgradeStatus: Upgraded to focal on 2020-02-24 (4 days ago)
  dmi.bios.date: 12/15/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GIET84WW (2.34 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20ALCT01WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98417 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGIET84WW(2.34):bd12/15/2015:svnLENOVO:pn20ALCT01WW:pvrThinkPadX240:rvnLENOVO:rn20ALCT01WW:rvr0B98417WIN:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.family: ThinkPad X240
  dmi.product.name: 20ALCT01WW
  dmi.product.sku: LENOVO_MT_20AL_BU_Think_FM_ThinkPad X240
  dmi.product.version: ThinkPad X240
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1865182] [NEW] lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-14-generic/modules.builtin.bin'

2020-02-28 Thread Nick Moffitt 
Public bug reported:

This error did not take place on my laptop (where I ran apport, for
convenience), but on a server being deployed to Focal with MAAS.

The initial deployment boot worked fine, and that was lucky as it meant
I could ssh in and tail /var/log/syslog while it went through the
upgrades and cloud-init steps.  But after this it reboots without
network configuration.

I've attached the logs mentioned above.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-modules-5.4.0-14-generic 5.4.0-14.17
ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
Uname: Linux 5.4.0-14-generic x86_64
ApportVersion: 2.20.11-0ubuntu18
Architecture: amd64
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC1:  nick   1445 F pulseaudio
 /dev/snd/controlC0:  nick   1445 F pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Fri Feb 28 16:17:47 2020
Dependencies:
 
InstallationDate: Installed on 2020-02-24 (4 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: LENOVO 20ALCT01WW
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-14-generic 
root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Daemon not 
responding.
RelatedPackageVersions:
 linux-restricted-modules-5.4.0-14-generic N/A
 linux-backports-modules-5.4.0-14-generic  N/A
 linux-firmware1.186
SourcePackage: linux-5.4
UpgradeStatus: Upgraded to focal on 2020-02-24 (4 days ago)
dmi.bios.date: 12/15/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: GIET84WW (2.34 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20ALCT01WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98417 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: 
dmi:bvnLENOVO:bvrGIET84WW(2.34):bd12/15/2015:svnLENOVO:pn20ALCT01WW:pvrThinkPadX240:rvnLENOVO:rn20ALCT01WW:rvr0B98417WIN:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad X240
dmi.product.name: 20ALCT01WW
dmi.product.sku: LENOVO_MT_20AL_BU_Think_FM_ThinkPad X240
dmi.product.version: ThinkPad X240
dmi.sys.vendor: LENOVO

** Affects: linux-5.4 (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug focal maas

** Attachment added: "Syslog and console output"
   https://bugs.launchpad.net/bugs/1865182/+attachment/5331984/+files/log.txt

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1865182

Title:
  lookup_builtin_file() could not open builtin file
  '/lib/modules/5.4.0-14-generic/modules.builtin.bin'

Status in linux-5.4 package in Ubuntu:
  New

Bug description:
  This error did not take place on my laptop (where I ran apport, for
  convenience), but on a server being deployed to Focal with MAAS.

  The initial deployment boot worked fine, and that was lucky as it
  meant I could ssh in and tail /var/log/syslog while it went through
  the upgrades and cloud-init steps.  But after this it reboots without
  network configuration.

  I've attached the logs mentioned above.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-modules-5.4.0-14-generic 5.4.0-14.17
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  ApportVersion: 2.20.11-0ubuntu18
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  nick   1445 F pulseaudio
   /dev/snd/controlC0:  nick   1445 F pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Feb 28 16:17:47 2020
  Dependencies:
   
  InstallationDate: Installed on 2020-02-24 (4 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  MachineType: LENOVO 20ALCT01WW
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-14-generic 
root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Daemon 
not responding.
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-14-generic N/A
   linux-backports-modules-5.4.0-14-generic  N/A
   linux-firmware1.186
  SourcePackage: linux-5.4
  UpgradeStatus: Upgraded to focal on 2020-02-24 (4 days ago)
  dmi.bios.date: 12/15/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GIET84WW (2.34 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20ALCT01WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98417 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGIET84WW(2.34):bd12/15/2015:svnLENOVO:pn20ALCT01WW:pvrThinkPadX240:rvnLENOVO:rn20ALCT01WW:rvr0B98417WIN:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.family: ThinkPad X240
  dmi.product.name: 20ALCT01WW

[Kernel-packages] [Bug 1745768] Re: system hangs within 10 minutes of logging in and starting browsers

2018-01-31 Thread Nick Moffitt 
I managed to identify the problem as hardware, as it coincides with
physical stresses on the laptop.  When I plugged in external peripherals
and left the laptop itself alone, the problem did not reoccur.

You can close this bug.

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https://bugs.launchpad.net/bugs/1745768

Title:
  system hangs within 10 minutes of logging in and starting browsers

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I cannot run for very long under normal operational load using linux-
  image-4.13.0-32-generic without a complete system freeze (mouse no
  longer moves, keyboard no longer responsive).  I have worked around
  this by booting back into linux-image-4.13.0-31-generic which is
  working fine on my hardware even with loads of browsers up and playing
  video and everything.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: linux-image-4.13.0-32-generic 4.13.0-32.35
  ProcVersionSignature: Ubuntu 4.13.0-31.34-generic 4.13.13
  Uname: Linux 4.13.0-31-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
  ApportVersion: 2.20.7-0ubuntu3.7
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  nick   5584 F pulseaudio
   /dev/snd/controlC0:  nick   5584 F pulseaudio
  CurrentDesktop: Unity:Unity7:ubuntu
  Date: Sat Jan 27 19:18:43 2018
  HibernationDevice: RESUME=UUID=dae1fd50-2dc0-48b2-bd93-5823478772b6
  InstallationDate: Installed on 2014-05-29 (1339 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 20ALCTO1WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-31-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.13.0-31-generic N/A
   linux-backports-modules-4.13.0-31-generic  N/A
   linux-firmware 1.169.2
  SourcePackage: linux
  UpgradeStatus: Upgraded to artful on 2017-10-07 (112 days ago)
  dmi.bios.date: 08/27/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GIET76WW (2.26 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20ALCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGIET76WW(2.26):bd08/27/2014:svnLENOVO:pn20ALCTO1WW:pvrThinkPadX240:rvnLENOVO:rn20ALCTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.family: ThinkPad X240
  dmi.product.name: 20ALCTO1WW
  dmi.product.version: ThinkPad X240
  dmi.sys.vendor: LENOVO
  klp-taint: 4097

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1745768] Re: system hangs within 10 minutes of logging in and starting browsers

2018-01-27 Thread Nick Moffitt 
Well of course right after I file this, it hangs.  So this may not be
the kernel after all.

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https://bugs.launchpad.net/bugs/1745768

Title:
  system hangs within 10 minutes of logging in and starting browsers

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I cannot run for very long under normal operational load using linux-
  image-4.13.0-32-generic without a complete system freeze (mouse no
  longer moves, keyboard no longer responsive).  I have worked around
  this by booting back into linux-image-4.13.0-31-generic which is
  working fine on my hardware even with loads of browsers up and playing
  video and everything.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: linux-image-4.13.0-32-generic 4.13.0-32.35
  ProcVersionSignature: Ubuntu 4.13.0-31.34-generic 4.13.13
  Uname: Linux 4.13.0-31-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
  ApportVersion: 2.20.7-0ubuntu3.7
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  nick   5584 F pulseaudio
   /dev/snd/controlC0:  nick   5584 F pulseaudio
  CurrentDesktop: Unity:Unity7:ubuntu
  Date: Sat Jan 27 19:18:43 2018
  HibernationDevice: RESUME=UUID=dae1fd50-2dc0-48b2-bd93-5823478772b6
  InstallationDate: Installed on 2014-05-29 (1339 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 20ALCTO1WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-31-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.13.0-31-generic N/A
   linux-backports-modules-4.13.0-31-generic  N/A
   linux-firmware 1.169.2
  SourcePackage: linux
  UpgradeStatus: Upgraded to artful on 2017-10-07 (112 days ago)
  dmi.bios.date: 08/27/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GIET76WW (2.26 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20ALCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGIET76WW(2.26):bd08/27/2014:svnLENOVO:pn20ALCTO1WW:pvrThinkPadX240:rvnLENOVO:rn20ALCTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.family: ThinkPad X240
  dmi.product.name: 20ALCTO1WW
  dmi.product.version: ThinkPad X240
  dmi.sys.vendor: LENOVO
  klp-taint: 4097

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1745768] [NEW] system hangs within 10 minutes of logging in and starting browsers

2018-01-27 Thread Nick Moffitt 
Public bug reported:

I cannot run for very long under normal operational load using linux-
image-4.13.0-32-generic without a complete system freeze (mouse no
longer moves, keyboard no longer responsive).  I have worked around this
by booting back into linux-image-4.13.0-31-generic which is working fine
on my hardware even with loads of browsers up and playing video and
everything.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.13.0-32-generic 4.13.0-32.35
ProcVersionSignature: Ubuntu 4.13.0-31.34-generic 4.13.13
Uname: Linux 4.13.0-31-generic x86_64
NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC1:  nick   5584 F pulseaudio
 /dev/snd/controlC0:  nick   5584 F pulseaudio
CurrentDesktop: Unity:Unity7:ubuntu
Date: Sat Jan 27 19:18:43 2018
HibernationDevice: RESUME=UUID=dae1fd50-2dc0-48b2-bd93-5823478772b6
InstallationDate: Installed on 2014-05-29 (1339 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: LENOVO 20ALCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-31-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.13.0-31-generic N/A
 linux-backports-modules-4.13.0-31-generic  N/A
 linux-firmware 1.169.2
SourcePackage: linux
UpgradeStatus: Upgraded to artful on 2017-10-07 (112 days ago)
dmi.bios.date: 08/27/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GIET76WW (2.26 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20ALCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: 
dmi:bvnLENOVO:bvrGIET76WW(2.26):bd08/27/2014:svnLENOVO:pn20ALCTO1WW:pvrThinkPadX240:rvnLENOVO:rn20ALCTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad X240
dmi.product.name: 20ALCTO1WW
dmi.product.version: ThinkPad X240
dmi.sys.vendor: LENOVO
klp-taint: 4097

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: Confirmed


** Tags: amd64 apport-bug artful

-- 
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/1745768

Title:
  system hangs within 10 minutes of logging in and starting browsers

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I cannot run for very long under normal operational load using linux-
  image-4.13.0-32-generic without a complete system freeze (mouse no
  longer moves, keyboard no longer responsive).  I have worked around
  this by booting back into linux-image-4.13.0-31-generic which is
  working fine on my hardware even with loads of browsers up and playing
  video and everything.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: linux-image-4.13.0-32-generic 4.13.0-32.35
  ProcVersionSignature: Ubuntu 4.13.0-31.34-generic 4.13.13
  Uname: Linux 4.13.0-31-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
  ApportVersion: 2.20.7-0ubuntu3.7
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  nick   5584 F pulseaudio
   /dev/snd/controlC0:  nick   5584 F pulseaudio
  CurrentDesktop: Unity:Unity7:ubuntu
  Date: Sat Jan 27 19:18:43 2018
  HibernationDevice: RESUME=UUID=dae1fd50-2dc0-48b2-bd93-5823478772b6
  InstallationDate: Installed on 2014-05-29 (1339 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 20ALCTO1WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-31-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.13.0-31-generic N/A
   linux-backports-modules-4.13.0-31-generic  N/A
   linux-firmware 1.169.2
  SourcePackage: linux
  UpgradeStatus: Upgraded to artful on 2017-10-07 (112 days ago)
  dmi.bios.date: 08/27/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GIET76WW (2.26 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20ALCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGIET76WW(2.26):bd08/27/2014:svnLENOVO:pn20ALCTO1WW:pvrThinkPadX240:rvnLENOVO:rn20ALCTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.family: ThinkPad X240
  dmi.product.name: 20ALCTO1WW
  dmi.product.version: ThinkPad X240
  dmi.sys.vendor: LENOVO
  klp-taint: 4097

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1571535] Re: iwlwifi restarts randomly in xenial

2016-07-06 Thread Nick Moffitt 
This inactivity is not Chris Stratford's fault.

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Title:
  iwlwifi restarts randomly in xenial

Status in linux package in Ubuntu:
  Expired

Bug description:
  Recently installed xenial on a Lenovo Yoga 2-13 (Intel 7260 wifi
  card).  On wily it worked perfectly, on xenial it regularly appears to
  restart the wifi connection (the end result is that I lose any vpn
  connections, as they don't seem to notice the restart, but that's
  another issue).

  In general use, I get periodic "wlp1s0: WPA: Group rekeying completed"
  messages in syslog (and used to get these in wily, too), but now,
  after a random amount of time (over the weekend it was several hours,
  this morning it was about 10 minutes, so it might be related to the
  amount of network traffic) I get "kernel: [13983.248157] wlp1s0:
  authenticate with 00:8a:ae:c9:9a:d8" (presumably my wifi router) and
  the usual wifi startup stuff including frequency lists, etc.

  It also always logs "systemd-udevd[30319]: Process '/sbin/crda' failed
  with exit code 249." every time (I'm not sure if this is relevant)

  After reading old, but similar bug reports, I've tried changing some
  of the module options: "11n_disable=1" and "11n_disable=8", but these
  had no effect.  I've also tried the older firmware that wily used
  (/lib/firmware/iwlwifi-7260-13.ucode), but again, no improvement.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-18-generic 4.4.0-18.34
  ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
  Uname: Linux 4.4.0-18-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  chris  7058 F pulseaudio
   /dev/snd/controlC1:  chris  7058 F pulseaudio
  CurrentDesktop: Unity
  Date: Mon Apr 18 09:01:26 2016
  HibernationDevice: RESUME=UUID=f92d915f-d552-4e5b-989d-70e936ce4f74
  InstallationDate: Installed on 2016-04-14 (3 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160323)
  MachineType: LENOVO 20344
  ProcEnviron:
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-18-generic.efi.signed 
root=/dev/mapper/ubuntu--vg-root ro noprompt quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-18-generic N/A
   linux-backports-modules-4.4.0-18-generic  N/A
   linux-firmware1.157
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/09/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 96CN25WW(V1.11)
  dmi.board.asset.tag: 31900058WIN
  dmi.board.name: INVALID
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900058WIN
  dmi.chassis.asset.tag: 31900058WIN
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo Yoga 2 13
  dmi.modalias: 
dmi:bvnLENOVO:bvr96CN25WW(V1.11):bd07/09/2014:svnLENOVO:pn20344:pvrLenovoYoga213:rvnLENOVO:rnINVALID:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoYoga213:
  dmi.product.name: 20344
  dmi.product.version: Lenovo Yoga 2 13
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1505564] Re: Soft lockup with "block nbdX: Attempted send on closed socket" spam

2016-01-06 Thread Nick Moffitt 
This memory leak we have so far only seen on arm64, to be clear.

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Title:
  Soft lockup with "block nbdX: Attempted send on closed socket" spam

Status in linux package in Ubuntu:
  In Progress

Bug description:
  Some of our nova compute hosts regularly freeze, sometimes for a few
  hours, with kern.log getting spammed with:

  block nbdX: Attempted send on closed socket

  and a few "CPU soft lockup" messages (see attached log). This clears
  up when the queue gets cleared, eg :

  block nbdX: queue cleared

  trusty hosts with kernel version 3.19.0-30-generic.
  --- 
  AlsaDevices:
   total 0
   crw-rw 1 root audio 116,  1 Nov 24 12:23 seq
   crw-rw 1 root audio 116, 33 Nov 24 12:23 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
  DistroRelease: Ubuntu 14.04
  IwConfig: Error: [Errno 2] No such file or directory
  MachineType: HP ProLiant DL385 G7
  Package: linux (not installed)
  PciMultimedia:
   
  ProcEnviron:
   TERM=screen-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-36-generic 
root=UUID=13289ac9-8dc9-4feb-b6bd-ca7db66b21d6 ro console=tty0 
console=ttyS1,38400 nosplash crashkernel=384M-:512M nox2apic intremap=off
  ProcVersionSignature: Ubuntu 
3.19.0-36.41~14.04.1hf00090138v20151122b1-generic 3.19.8-ckt9
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-36-generic N/A
   linux-backports-modules-3.19.0-36-generic  N/A
   linux-firmware 1.127.18
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  trusty uec-images
  Uname: Linux 3.19.0-36-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 02/02/2014
  dmi.bios.vendor: HP
  dmi.bios.version: A18
  dmi.chassis.type: 23
  dmi.chassis.vendor: HP
  dmi.modalias: 
dmi:bvnHP:bvrA18:bd02/02/2014:svnHP:pnProLiantDL385G7:pvr:cvnHP:ct23:cvr:
  dmi.product.name: ProLiant DL385 G7
  dmi.sys.vendor: HP

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[Kernel-packages] [Bug 1505564] Re: Soft lockup with "block nbdX: Attempted send on closed socket" spam

2016-01-06 Thread Nick Moffitt 
This problem has caused more serious damage recently.  When nbd dies and
printk()s like mad, the serial console is not fast enough to display it.

The kernel keeps allocating buffer space for serial output, which we see
as 13G kmalloc-256 or kmalloc-512 kernel threads.

Eventually the OOMkiller tries to free up space, but it can only kill
userspace programs so ultimately the system dies altogether.

This is more dire than mere CPU load or lockup warning messages.

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Title:
  Soft lockup with "block nbdX: Attempted send on closed socket" spam

Status in linux package in Ubuntu:
  In Progress

Bug description:
  Some of our nova compute hosts regularly freeze, sometimes for a few
  hours, with kern.log getting spammed with:

  block nbdX: Attempted send on closed socket

  and a few "CPU soft lockup" messages (see attached log). This clears
  up when the queue gets cleared, eg :

  block nbdX: queue cleared

  trusty hosts with kernel version 3.19.0-30-generic.
  --- 
  AlsaDevices:
   total 0
   crw-rw 1 root audio 116,  1 Nov 24 12:23 seq
   crw-rw 1 root audio 116, 33 Nov 24 12:23 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
  DistroRelease: Ubuntu 14.04
  IwConfig: Error: [Errno 2] No such file or directory
  MachineType: HP ProLiant DL385 G7
  Package: linux (not installed)
  PciMultimedia:
   
  ProcEnviron:
   TERM=screen-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-36-generic 
root=UUID=13289ac9-8dc9-4feb-b6bd-ca7db66b21d6 ro console=tty0 
console=ttyS1,38400 nosplash crashkernel=384M-:512M nox2apic intremap=off
  ProcVersionSignature: Ubuntu 
3.19.0-36.41~14.04.1hf00090138v20151122b1-generic 3.19.8-ckt9
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-36-generic N/A
   linux-backports-modules-3.19.0-36-generic  N/A
   linux-firmware 1.127.18
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  trusty uec-images
  Uname: Linux 3.19.0-36-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 02/02/2014
  dmi.bios.vendor: HP
  dmi.bios.version: A18
  dmi.chassis.type: 23
  dmi.chassis.vendor: HP
  dmi.modalias: 
dmi:bvnHP:bvrA18:bd02/02/2014:svnHP:pnProLiantDL385G7:pvr:cvnHP:ct23:cvr:
  dmi.product.name: ProLiant DL385 G7
  dmi.sys.vendor: HP

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[Kernel-packages] [Bug 1506543] Re: openstack instances on arm64 lock up on polling and other situations fairly repeatably

2015-10-16 Thread Nick Moffitt 
crap, I tried to run it on the right box and copy it over.

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Title:
  openstack instances on arm64 lock up on polling and other situations
  fairly repeatably

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  While working on deploying arm64 builders in openstack, we found that
  it was pretty easy to wedge them.  Many hang just running ntpdate
  right off the bat.

  William Grant had more direct tests he did, but upgrading from 3.13 to
  3.19 didn't seem to fix things.

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[Kernel-packages] [Bug 1506543] [NEW] openstack instances on arm64 lock up on polling and other situations fairly repeatably

2015-10-15 Thread Nick Moffitt 
Public bug reported:

While working on deploying arm64 builders in openstack, we found that it
was pretty easy to wedge them.  Many hang just running ntpdate right off
the bat.

William Grant had more direct tests he did, but upgrading from 3.13 to
3.19 didn't seem to fix things.

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: New

** Attachment added: "apport data from one of the compute node hosts"
   
https://bugs.launchpad.net/bugs/1506543/+attachment/4495876/+files/apport.linux-image-3.13.0-35-generic.mejof96e.apport

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Title:
  openstack instances on arm64 lock up on polling and other situations
  fairly repeatably

Status in linux package in Ubuntu:
  New

Bug description:
  While working on deploying arm64 builders in openstack, we found that
  it was pretty easy to wedge them.  Many hang just running ntpdate
  right off the bat.

  William Grant had more direct tests he did, but upgrading from 3.13 to
  3.19 didn't seem to fix things.

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[Kernel-packages] [Bug 1498387] Re: system hangs and CPU heats up in -29 but not -28

2015-09-22 Thread Nick Moffitt 
I'm curious if this is related to bug #1495696

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Title:
  system hangs and CPU heats up in -29 but not -28

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I filed this bug against linux-image-3.19.0-29-generic and hope that
  it has attached everything relevant.

  With linux-image-3.19.0-29-generic I can only run my thinkpad X240 for
  a few hours before I invariably trip over this bug and cause it to
  hang, heating up and driving the fan to full speed.  I never have this
  trouble when I select linux-image-3.19.0-28-generic.  Occasionally
  I'll reboot for updates (such as the recent network manager one) and
  forget to go down a build number, and I hit this again shortly after
  reboot.

  The screen remains in whatever state it was in, but I am unable to
  move the mouse or affect X with the keyboard (including trying to
  switch to a virtual console with Ctrl-Alt-F1).  Nothing suspicious
  shows up in kern.log after the reboot, but I tend to have to do a hard
  power-off to get back to a useful machine so the journal may not be
  fully checkpointed in time.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-29-generic 3.19.0-29.31
  ProcVersionSignature: Ubuntu 3.19.0-28.30-generic 3.19.8-ckt5
  Uname: Linux 3.19.0-28-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.4
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  nick   2766 F pulseaudio
   /dev/snd/controlC1:  nick   2766 F pulseaudio
  CurrentDesktop: Unity
  Date: Tue Sep 22 10:20:31 2015
  HibernationDevice: RESUME=UUID=dae1fd50-2dc0-48b2-bd93-5823478772b6
  InstallationDate: Installed on 2014-05-29 (480 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 20ALCTO1WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-28-generic.efi.signed 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-28-generic N/A
   linux-backports-modules-3.19.0-28-generic  N/A
   linux-firmware 1.143.3
  SourcePackage: linux
  UpgradeStatus: Upgraded to vivid on 2015-05-05 (139 days ago)
  dmi.bios.date: 02/06/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GIET69WW (2.19 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20ALCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98405 STD
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGIET69WW(2.19):bd02/06/2014:svnLENOVO:pn20ALCTO1WW:pvrThinkPadX240:rvnLENOVO:rn20ALCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20ALCTO1WW
  dmi.product.version: ThinkPad X240
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1498387] [NEW] system hangs and CPU heats up in -29 but not -28

2015-09-22 Thread Nick Moffitt 
Public bug reported:

I filed this bug against linux-image-3.19.0-29-generic and hope that it
has attached everything relevant.

With linux-image-3.19.0-29-generic I can only run my thinkpad X240 for a
few hours before I invariably trip over this bug and cause it to hang,
heating up and driving the fan to full speed.  I never have this trouble
when I select linux-image-3.19.0-28-generic.  Occasionally I'll reboot
for updates (such as the recent network manager one) and forget to go
down a build number, and I hit this again shortly after reboot.

The screen remains in whatever state it was in, but I am unable to move
the mouse or affect X with the keyboard (including trying to switch to a
virtual console with Ctrl-Alt-F1).  Nothing suspicious shows up in
kern.log after the reboot, but I tend to have to do a hard power-off to
get back to a useful machine so the journal may not be fully
checkpointed in time.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-29-generic 3.19.0-29.31
ProcVersionSignature: Ubuntu 3.19.0-28.30-generic 3.19.8-ckt5
Uname: Linux 3.19.0-28-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.4
Architecture: amd64
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC0:  nick   2766 F pulseaudio
 /dev/snd/controlC1:  nick   2766 F pulseaudio
CurrentDesktop: Unity
Date: Tue Sep 22 10:20:31 2015
HibernationDevice: RESUME=UUID=dae1fd50-2dc0-48b2-bd93-5823478772b6
InstallationDate: Installed on 2014-05-29 (480 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: LENOVO 20ALCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-28-generic.efi.signed 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.19.0-28-generic N/A
 linux-backports-modules-3.19.0-28-generic  N/A
 linux-firmware 1.143.3
SourcePackage: linux
UpgradeStatus: Upgraded to vivid on 2015-05-05 (139 days ago)
dmi.bios.date: 02/06/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GIET69WW (2.19 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20ALCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98405 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: 
dmi:bvnLENOVO:bvrGIET69WW(2.19):bd02/06/2014:svnLENOVO:pn20ALCTO1WW:pvrThinkPadX240:rvnLENOVO:rn20ALCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20ALCTO1WW
dmi.product.version: ThinkPad X240
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: Confirmed


** Tags: amd64 apport-bug package-from-proposed vivid

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Title:
  system hangs and CPU heats up in -29 but not -28

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I filed this bug against linux-image-3.19.0-29-generic and hope that
  it has attached everything relevant.

  With linux-image-3.19.0-29-generic I can only run my thinkpad X240 for
  a few hours before I invariably trip over this bug and cause it to
  hang, heating up and driving the fan to full speed.  I never have this
  trouble when I select linux-image-3.19.0-28-generic.  Occasionally
  I'll reboot for updates (such as the recent network manager one) and
  forget to go down a build number, and I hit this again shortly after
  reboot.

  The screen remains in whatever state it was in, but I am unable to
  move the mouse or affect X with the keyboard (including trying to
  switch to a virtual console with Ctrl-Alt-F1).  Nothing suspicious
  shows up in kern.log after the reboot, but I tend to have to do a hard
  power-off to get back to a useful machine so the journal may not be
  fully checkpointed in time.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-29-generic 3.19.0-29.31
  ProcVersionSignature: Ubuntu 3.19.0-28.30-generic 3.19.8-ckt5
  Uname: Linux 3.19.0-28-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.4
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  nick   2766 F pulseaudio
   /dev/snd/controlC1:  nick   2766 F pulseaudio
  CurrentDesktop: Unity
  Date: Tue Sep 22 10:20:31 2015
  HibernationDevice: RESUME=UUID=dae1fd50-2dc0-48b2-bd93-5823478772b6
  InstallationDate: Installed on 2014-05-29 (480 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 20ALCTO1WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-28-generic.efi.signed 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-28-generic N/A
   linux-backports-modules-3.19.0-28-generic  N/A
   linux-firmware

[Kernel-packages] [Bug 1357295] Re: bcache_writebac blocks and goes silent on trusty kernel 3.13.0-24-generic #47-Ubuntu

2014-08-28 Thread Nick Moffitt 
Thanks.  It does indeed look like this got rid of the lockups in dmesg.
Thanks!

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Title:
  bcache_writebac blocks and goes silent on trusty kernel
  3.13.0-24-generic #47-Ubuntu

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Trusty:
  Fix Committed
Status in “linux” source package in Utopic:
  Fix Released

Bug description:
  We regularly use bcache to use SSDs as an extra block cache layer for
  performance on large working sets (archive mirrors, large databases,
  etc).  Until now we have had good success with bcache on precise LTS
  with HWE kernels up to Saucy's.

  Unfortunately when we mount a bcache-backed volume on a Trusty server,
  it immediately loses contact with bcache_writebac:

PID USER  PR  NIVIRTRESSHR S  %CPU %MEM TIME+ COMMAND   
 
501 root  20   0   0  0  0 D   0.0  0.0   0:00.00 
bcache_writebac

  kern.log shows it losing its mind pretty much immediately on startup:

  Aug 12 02:22:15 somehostname kernel: [ 6483.477618] md: bind
  Aug 12 02:22:15 somehostname kernel: [ 6483.478599] md: bind
  Aug 12 02:22:15 somehostname kernel: [ 6483.482016] md/raid0:md0: md_size 
is 781443072 sectors.
  Aug 12 02:22:15 somehostname kernel: [ 6483.482024] md: RAID0 
configuration for md0 - 1 zone
  Aug 12 02:22:15 somehostname kernel: [ 6483.482026] md: zone0=[sdc/sdd]
  Aug 12 02:22:15 somehostname kernel: [ 6483.482033]   zone-offset=
 0KB, device-offset= 0KB, size= 390721536KB
  Aug 12 02:22:15 somehostname kernel: [ 6483.482036] 
  Aug 12 02:22:15 somehostname kernel: [ 6483.482055] md0: detected 
capacity change from 0 to 400098852864
  Aug 12 02:22:15 somehostname kernel: [ 6483.487644]  md0: unknown 
partition table
  Aug 12 02:26:55 somehostname kernel: [ 6763.657249] bio: create slab 
 at 2
  Aug 12 02:26:55 somehostname kernel: [ 6763.658018] bcache: 
run_cache_set() invalidating existing data
  Aug 12 02:26:55 somehostname kernel: [ 6763.695447] bcache: 
register_cache() registered cache device md0
  Aug 12 02:26:55 somehostname kernel: [ 6763.696262] bcache: 
register_bdev() registered backing device sdb
  Aug 12 02:26:55 somehostname kernel: [ 6763.697833] bcache: 
bch_cached_dev_attach() Caching sdb as bcache0 on set 
13dcf71e-73ea-49f7-8cd6-fb8182c3cc17
  Aug 12 02:27:24 somehostname kernel: [ 6793.114287] EXT4-fs (bcache0): 
mounted filesystem with ordered data mode. Opts: (null)
  Aug 12 02:30:16 somehostname kernel: [ 6964.514425] INFO: task 
bcache_writebac:29721 blocked for more than 120 seconds.
  Aug 12 02:30:16 somehostname kernel: [ 6964.608861]   Not tainted 
3.13.0-24-generic #47-Ubuntu
  Aug 12 02:30:16 somehostname kernel: [ 6964.679403] "echo 0 > 
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
  Aug 12 02:30:16 somehostname kernel: [ 6964.779270] bcache_writebac D 
8817dfb34440 0 29721  2 0x
  Aug 12 02:30:16 somehostname kernel: [ 6964.779278]  882fafe57eb8 
0002 882fb100afe0 882fafe57fd8
  Aug 12 02:30:16 somehostname kernel: [ 6964.779286]  00014440 
00014440 882fb100afe0 882fb7bcac80
  Aug 12 02:30:16 somehostname kernel: [ 6964.779293]  882fb11c 
a03f5840  
  Aug 12 02:30:16 somehostname kernel: [ 6964.779301] Call Trace:
  Aug 12 02:30:16 somehostname kernel: [ 6964.779335]  [] 
? read_dirty+0x400/0x400 [bcache]
  Aug 12 02:30:16 somehostname kernel: [ 6964.779346]  [] 
schedule+0x29/0x70
  Aug 12 02:30:16 somehostname kernel: [ 6964.779356]  [] 
kthread+0xad/0xf0
  Aug 12 02:30:16 somehostname kernel: [ 6964.779368]  [] 
? kthread_create_on_node+0x1d0/0x1d0
  Aug 12 02:30:16 somehostname kernel: [ 6964.779379]  [] 
ret_from_fork+0x7c/0xb0
  Aug 12 02:30:16 somehostname kernel: [ 6964.779385]  [] 
? kthread_create_on_node+0x1d0/0x1d0
  Aug 12 02:32:16 somehostname kernel: [ 7084.828482] INFO: task 
bcache_writebac:29721 blocked for more than 120 seconds.
  Aug 12 02:32:16 somehostname kernel: [ 7084.922987]   Not tainted 
3.13.0-24-generic #47-Ubuntu
  Aug 12 02:32:16 somehostname kernel: [ 7084.993239] "echo 0 > 
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
  Aug 12 02:32:16 somehostname kernel: [ 7085.093858] bcache_writebac D 
8817dfb34440 0 29721  2 0x
  Aug 12 02:32:16 somehostname kernel: [ 7085.093866]  882fafe57eb8 
0002 882fb100afe0 882fafe57fd8
  Aug 12 02:32:16 somehostname kernel: [ 7085.093874]  00014440 
00014440 882fb100afe0 882fb7bcac80
  Aug 12 02:32:16 somehostname kernel: [

[Kernel-packages] [Bug 1357295] Re: bcache_writebac blocks and goes silent on trusty kernel 3.13.0-24-generic #47-Ubuntu

2014-08-27 Thread Nick Moffitt 
What's the best way for us to test this fix in Trusty right now?

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https://bugs.launchpad.net/bugs/1357295

Title:
  bcache_writebac blocks and goes silent on trusty kernel
  3.13.0-24-generic #47-Ubuntu

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Trusty:
  Fix Committed
Status in “linux” source package in Utopic:
  Fix Released

Bug description:
  We regularly use bcache to use SSDs as an extra block cache layer for
  performance on large working sets (archive mirrors, large databases,
  etc).  Until now we have had good success with bcache on precise LTS
  with HWE kernels up to Saucy's.

  Unfortunately when we mount a bcache-backed volume on a Trusty server,
  it immediately loses contact with bcache_writebac:

PID USER  PR  NIVIRTRESSHR S  %CPU %MEM TIME+ COMMAND   
 
501 root  20   0   0  0  0 D   0.0  0.0   0:00.00 
bcache_writebac

  kern.log shows it losing its mind pretty much immediately on startup:

  Aug 12 02:22:15 somehostname kernel: [ 6483.477618] md: bind
  Aug 12 02:22:15 somehostname kernel: [ 6483.478599] md: bind
  Aug 12 02:22:15 somehostname kernel: [ 6483.482016] md/raid0:md0: md_size 
is 781443072 sectors.
  Aug 12 02:22:15 somehostname kernel: [ 6483.482024] md: RAID0 
configuration for md0 - 1 zone
  Aug 12 02:22:15 somehostname kernel: [ 6483.482026] md: zone0=[sdc/sdd]
  Aug 12 02:22:15 somehostname kernel: [ 6483.482033]   zone-offset=
 0KB, device-offset= 0KB, size= 390721536KB
  Aug 12 02:22:15 somehostname kernel: [ 6483.482036] 
  Aug 12 02:22:15 somehostname kernel: [ 6483.482055] md0: detected 
capacity change from 0 to 400098852864
  Aug 12 02:22:15 somehostname kernel: [ 6483.487644]  md0: unknown 
partition table
  Aug 12 02:26:55 somehostname kernel: [ 6763.657249] bio: create slab 
 at 2
  Aug 12 02:26:55 somehostname kernel: [ 6763.658018] bcache: 
run_cache_set() invalidating existing data
  Aug 12 02:26:55 somehostname kernel: [ 6763.695447] bcache: 
register_cache() registered cache device md0
  Aug 12 02:26:55 somehostname kernel: [ 6763.696262] bcache: 
register_bdev() registered backing device sdb
  Aug 12 02:26:55 somehostname kernel: [ 6763.697833] bcache: 
bch_cached_dev_attach() Caching sdb as bcache0 on set 
13dcf71e-73ea-49f7-8cd6-fb8182c3cc17
  Aug 12 02:27:24 somehostname kernel: [ 6793.114287] EXT4-fs (bcache0): 
mounted filesystem with ordered data mode. Opts: (null)
  Aug 12 02:30:16 somehostname kernel: [ 6964.514425] INFO: task 
bcache_writebac:29721 blocked for more than 120 seconds.
  Aug 12 02:30:16 somehostname kernel: [ 6964.608861]   Not tainted 
3.13.0-24-generic #47-Ubuntu
  Aug 12 02:30:16 somehostname kernel: [ 6964.679403] "echo 0 > 
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
  Aug 12 02:30:16 somehostname kernel: [ 6964.779270] bcache_writebac D 
8817dfb34440 0 29721  2 0x
  Aug 12 02:30:16 somehostname kernel: [ 6964.779278]  882fafe57eb8 
0002 882fb100afe0 882fafe57fd8
  Aug 12 02:30:16 somehostname kernel: [ 6964.779286]  00014440 
00014440 882fb100afe0 882fb7bcac80
  Aug 12 02:30:16 somehostname kernel: [ 6964.779293]  882fb11c 
a03f5840  
  Aug 12 02:30:16 somehostname kernel: [ 6964.779301] Call Trace:
  Aug 12 02:30:16 somehostname kernel: [ 6964.779335]  [] 
? read_dirty+0x400/0x400 [bcache]
  Aug 12 02:30:16 somehostname kernel: [ 6964.779346]  [] 
schedule+0x29/0x70
  Aug 12 02:30:16 somehostname kernel: [ 6964.779356]  [] 
kthread+0xad/0xf0
  Aug 12 02:30:16 somehostname kernel: [ 6964.779368]  [] 
? kthread_create_on_node+0x1d0/0x1d0
  Aug 12 02:30:16 somehostname kernel: [ 6964.779379]  [] 
ret_from_fork+0x7c/0xb0
  Aug 12 02:30:16 somehostname kernel: [ 6964.779385]  [] 
? kthread_create_on_node+0x1d0/0x1d0
  Aug 12 02:32:16 somehostname kernel: [ 7084.828482] INFO: task 
bcache_writebac:29721 blocked for more than 120 seconds.
  Aug 12 02:32:16 somehostname kernel: [ 7084.922987]   Not tainted 
3.13.0-24-generic #47-Ubuntu
  Aug 12 02:32:16 somehostname kernel: [ 7084.993239] "echo 0 > 
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
  Aug 12 02:32:16 somehostname kernel: [ 7085.093858] bcache_writebac D 
8817dfb34440 0 29721  2 0x
  Aug 12 02:32:16 somehostname kernel: [ 7085.093866]  882fafe57eb8 
0002 882fb100afe0 882fafe57fd8
  Aug 12 02:32:16 somehostname kernel: [ 7085.093874]  00014440 
00014440 882fb100afe0 882fb7bcac80
  Aug 12 02:32:16 somehostname kernel: [ 7085.093881]

[Kernel-packages] [Bug 1357295] [NEW] bcache_writebac blocks and goes silent on trusty kernel 3.13.0-24-generic #47-Ubuntu

2014-08-15 Thread Nick Moffitt 
Public bug reported:

We regularly use bcache to use SSDs as an extra block cache layer for
performance on large working sets (archive mirrors, large databases,
etc).  Until now we have had good success with bcache on precise LTS
with HWE kernels up to Saucy's.

Unfortunately when we mount a bcache-backed volume on a Trusty server,
it immediately loses contact with bcache_writebac:

  PID USER  PR  NIVIRTRESSHR S  %CPU %MEM TIME+ COMMAND 
   
  501 root  20   0   0  0  0 D   0.0  0.0   0:00.00 
bcache_writebac

kern.log shows it losing its mind pretty much immediately on startup:

Aug 12 02:22:15 somehostname kernel: [ 6483.477618] md: bind
Aug 12 02:22:15 somehostname kernel: [ 6483.478599] md: bind
Aug 12 02:22:15 somehostname kernel: [ 6483.482016] md/raid0:md0: md_size 
is 781443072 sectors.
Aug 12 02:22:15 somehostname kernel: [ 6483.482024] md: RAID0 configuration 
for md0 - 1 zone
Aug 12 02:22:15 somehostname kernel: [ 6483.482026] md: zone0=[sdc/sdd]
Aug 12 02:22:15 somehostname kernel: [ 6483.482033]   zone-offset=  
   0KB, device-offset= 0KB, size= 390721536KB
Aug 12 02:22:15 somehostname kernel: [ 6483.482036] 
Aug 12 02:22:15 somehostname kernel: [ 6483.482055] md0: detected capacity 
change from 0 to 400098852864
Aug 12 02:22:15 somehostname kernel: [ 6483.487644]  md0: unknown partition 
table
Aug 12 02:26:55 somehostname kernel: [ 6763.657249] bio: create slab 
 at 2
Aug 12 02:26:55 somehostname kernel: [ 6763.658018] bcache: run_cache_set() 
invalidating existing data
Aug 12 02:26:55 somehostname kernel: [ 6763.695447] bcache: 
register_cache() registered cache device md0
Aug 12 02:26:55 somehostname kernel: [ 6763.696262] bcache: register_bdev() 
registered backing device sdb
Aug 12 02:26:55 somehostname kernel: [ 6763.697833] bcache: 
bch_cached_dev_attach() Caching sdb as bcache0 on set 
13dcf71e-73ea-49f7-8cd6-fb8182c3cc17
Aug 12 02:27:24 somehostname kernel: [ 6793.114287] EXT4-fs (bcache0): 
mounted filesystem with ordered data mode. Opts: (null)
Aug 12 02:30:16 somehostname kernel: [ 6964.514425] INFO: task 
bcache_writebac:29721 blocked for more than 120 seconds.
Aug 12 02:30:16 somehostname kernel: [ 6964.608861]   Not tainted 
3.13.0-24-generic #47-Ubuntu
Aug 12 02:30:16 somehostname kernel: [ 6964.679403] "echo 0 > 
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 12 02:30:16 somehostname kernel: [ 6964.779270] bcache_writebac D 
8817dfb34440 0 29721  2 0x
Aug 12 02:30:16 somehostname kernel: [ 6964.779278]  882fafe57eb8 
0002 882fb100afe0 882fafe57fd8
Aug 12 02:30:16 somehostname kernel: [ 6964.779286]  00014440 
00014440 882fb100afe0 882fb7bcac80
Aug 12 02:30:16 somehostname kernel: [ 6964.779293]  882fb11c 
a03f5840  
Aug 12 02:30:16 somehostname kernel: [ 6964.779301] Call Trace:
Aug 12 02:30:16 somehostname kernel: [ 6964.779335]  [] ? 
read_dirty+0x400/0x400 [bcache]
Aug 12 02:30:16 somehostname kernel: [ 6964.779346]  [] 
schedule+0x29/0x70
Aug 12 02:30:16 somehostname kernel: [ 6964.779356]  [] 
kthread+0xad/0xf0
Aug 12 02:30:16 somehostname kernel: [ 6964.779368]  [] ? 
kthread_create_on_node+0x1d0/0x1d0
Aug 12 02:30:16 somehostname kernel: [ 6964.779379]  [] 
ret_from_fork+0x7c/0xb0
Aug 12 02:30:16 somehostname kernel: [ 6964.779385]  [] ? 
kthread_create_on_node+0x1d0/0x1d0
Aug 12 02:32:16 somehostname kernel: [ 7084.828482] INFO: task 
bcache_writebac:29721 blocked for more than 120 seconds.
Aug 12 02:32:16 somehostname kernel: [ 7084.922987]   Not tainted 
3.13.0-24-generic #47-Ubuntu
Aug 12 02:32:16 somehostname kernel: [ 7084.993239] "echo 0 > 
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 12 02:32:16 somehostname kernel: [ 7085.093858] bcache_writebac D 
8817dfb34440 0 29721  2 0x
Aug 12 02:32:16 somehostname kernel: [ 7085.093866]  882fafe57eb8 
0002 882fb100afe0 882fafe57fd8
Aug 12 02:32:16 somehostname kernel: [ 7085.093874]  00014440 
00014440 882fb100afe0 882fb7bcac80
Aug 12 02:32:16 somehostname kernel: [ 7085.093881]  882fb11c 
a03f5840  
Aug 12 02:32:16 somehostname kernel: [ 7085.093897] Call Trace:
Aug 12 02:32:16 somehostname kernel: [ 7085.093918]  [] ? 
read_dirty+0x400/0x400 [bcache]
Aug 12 02:32:16 somehostname kernel: [ 7085.093928]  [] 
schedule+0x29/0x70
Aug 12 02:32:16 somehostname kernel: [ 7085.093944]  [] 
kthread+0xad/0xf0
Aug 12 02:32:16 somehostname kernel: [ 7085.093950]  [] ? 
kthread_create_on_node+0x1d0/0x1d0
Aug 12 02:32:16 somehostname kernel: [ 7085.093959]  [] 
ret_from_fork+0x7c/0xb0
Aug 12

[Kernel-packages] [Bug 1291371] Re: thinkpad screen dims after unplugging external display, and won't re-brighten without leaving X

2014-03-13 Thread Nick Moffitt 
Linux vezza 3.14.0-031400rc6-generic #201403100035 SMP Mon Mar 10
04:36:54 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

The bug seems to be fixed with this kernel.

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

** Tags added: kernel-fixed-upstream

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1291371

Title:
  thinkpad screen dims after unplugging external display, and won't re-
  brighten without leaving X

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  When I un-plug the external VGA cable from my Thinkpad X200s, the
  screen dims.  Hitting Fn-Home (the brightness-increase key) does
  nothing.  Suspending and resuming doesn't reset this, though a reboot
  will allow me to use the brightness controls again while in the POST
  and after.

  My current workaround is that every time I disconnect the monitor, I
  have to C-M-F1 to get to a virtual console, brighten the screen, and
  then M-left to get back to X.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: compiz 1:0.9.11+14.04.20140310-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
  Uname: Linux 3.13.0-17-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CompizPlugins: 
[core,bailer,detection,composite,opengl,decor,snap,gnomecompat,grid,regex,mousepoll,compiztoolbox,resize,move,wall,animation,vpswitch,place,imgpng,workarounds,expo,fade,ezoom,session,scale,unityshell]
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Wed Mar 12 13:22:01 2014
  DistUpgraded: 2014-02-25 19:06:30,487 DEBUG enabling apt cron job
  DistroCodename: trusty
  DistroVariant: ubuntu
  EcryptfsInUse: Yes
  GraphicsCard:
   Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller 
[8086:2a42] (rev 07) (prog-if 00 [VGA controller])
 Subsystem: Lenovo Device [17aa:20e4]
 Subsystem: Lenovo Device [17aa:20e4]
  MachineType: LENOVO 7465CTO
  PackageArchitecture: all
  ProcKernelCmdLine: root=UUID=5237fceb-23d0-412d-84d9-b8f8b3bf28af ro quiet 
splash
  SourcePackage: compiz
  UpgradeStatus: Upgraded to trusty on 2014-02-25 (14 days ago)
  dmi.bios.date: 06/25/2009
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6DET55WW (3.05 )
  dmi.board.name: 7465CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvr6DET55WW(3.05):bd06/25/2009:svnLENOVO:pn7465CTO:pvrThinkPadX200s:rvnLENOVO:rn7465CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 7465CTO
  dmi.product.version: ThinkPad X200s
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.11+14.04.20140310-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0~rc3-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0~rc3-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu6
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.10-1ubuntu2
  xserver.bootTime: Wed Mar 12 09:07:01 2014
  xserver.configfile: /etc/X11/xorg.conf
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id   16404 
   vendor LEN
  xserver.version: 2:1.15.0-1ubuntu6

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[Kernel-packages] [Bug 1291371] Re: thinkpad screen dims after unplugging external display, and won't re-brighten without leaving X

2014-03-13 Thread Nick Moffitt 
Joseph, your text says the latest v3.13 kernel, but the link takes me to
v3.14.  Is that correct?

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1291371

Title:
  thinkpad screen dims after unplugging external display, and won't re-
  brighten without leaving X

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  When I un-plug the external VGA cable from my Thinkpad X200s, the
  screen dims.  Hitting Fn-Home (the brightness-increase key) does
  nothing.  Suspending and resuming doesn't reset this, though a reboot
  will allow me to use the brightness controls again while in the POST
  and after.

  My current workaround is that every time I disconnect the monitor, I
  have to C-M-F1 to get to a virtual console, brighten the screen, and
  then M-left to get back to X.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: compiz 1:0.9.11+14.04.20140310-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
  Uname: Linux 3.13.0-17-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CompizPlugins: 
[core,bailer,detection,composite,opengl,decor,snap,gnomecompat,grid,regex,mousepoll,compiztoolbox,resize,move,wall,animation,vpswitch,place,imgpng,workarounds,expo,fade,ezoom,session,scale,unityshell]
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Wed Mar 12 13:22:01 2014
  DistUpgraded: 2014-02-25 19:06:30,487 DEBUG enabling apt cron job
  DistroCodename: trusty
  DistroVariant: ubuntu
  EcryptfsInUse: Yes
  GraphicsCard:
   Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller 
[8086:2a42] (rev 07) (prog-if 00 [VGA controller])
 Subsystem: Lenovo Device [17aa:20e4]
 Subsystem: Lenovo Device [17aa:20e4]
  MachineType: LENOVO 7465CTO
  PackageArchitecture: all
  ProcKernelCmdLine: root=UUID=5237fceb-23d0-412d-84d9-b8f8b3bf28af ro quiet 
splash
  SourcePackage: compiz
  UpgradeStatus: Upgraded to trusty on 2014-02-25 (14 days ago)
  dmi.bios.date: 06/25/2009
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6DET55WW (3.05 )
  dmi.board.name: 7465CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvr6DET55WW(3.05):bd06/25/2009:svnLENOVO:pn7465CTO:pvrThinkPadX200s:rvnLENOVO:rn7465CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 7465CTO
  dmi.product.version: ThinkPad X200s
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.11+14.04.20140310-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0~rc3-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0~rc3-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu6
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.10-1ubuntu2
  xserver.bootTime: Wed Mar 12 09:07:01 2014
  xserver.configfile: /etc/X11/xorg.conf
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id   16404 
   vendor LEN
  xserver.version: 2:1.15.0-1ubuntu6

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