[Touch-packages] [Bug 1718055] Re: update-initramfs fails for MODULES=dep when root is on LVM wich uses nvme device

[Launchpad Bug Tracker]

This bug was fixed in the package initramfs-tools - 0.103ubuntu4.8

---
initramfs-tools (0.103ubuntu4.8) trusty; urgency=medium

  * hook-functions: handle lvm-on-nvme case.
(LP: #1718055)

 -- Dan Streetman   Tue, 19 Sep 2017
11:03:43 -0400

** Changed in: initramfs-tools (Ubuntu Trusty)
   Status: Fix Committed => Fix Released

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Title:
  update-initramfs fails for MODULES=dep when root is on LVM wich uses
  nvme device

Status in initramfs-tools package in Ubuntu:
  Fix Released
Status in initramfs-tools source package in Trusty:
  Fix Released

Bug description:
  [impact]

  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that
  uses lvm on nvme.

  [test case]

  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc
  /initramfs-tools/initramfs.conf file and change the MODULES line to
  MODULES=dep and save the file.  Then run sudo update-initramfs -u
  which will fail with:

  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.

  [regression potential]

  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.

  About the autopkgtest failure, explanation can be found here: 
  
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1718055/comments/9

  [other info]

  related to bug 1532146

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1718055] Re: update-initramfs fails for MODULES=dep when root is on LVM wich uses nvme device

[Eric Desrochers]

** Description changed:

  [impact]
  
  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that uses
  lvm on nvme.
  
  [test case]
  
  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc/initramfs-
  tools/initramfs.conf file and change the MODULES line to MODULES=dep and
  save the file.  Then run sudo update-initramfs -u which will fail with:
  
  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.
  
- 
  [regression potential]
  
  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.
  
+ About the autopkgtest failure, explanation can be found here: 
+ 
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1718055/comments/9
+ 
  [other info]
  
  related to bug 1532146

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Title:
  update-initramfs fails for MODULES=dep when root is on LVM wich uses
  nvme device

Status in initramfs-tools package in Ubuntu:
  Fix Released
Status in initramfs-tools source package in Trusty:
  Fix Committed

Bug description:
  [impact]

  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that
  uses lvm on nvme.

  [test case]

  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc
  /initramfs-tools/initramfs.conf file and change the MODULES line to
  MODULES=dep and save the file.  Then run sudo update-initramfs -u
  which will fail with:

  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.

  [regression potential]

  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.

  About the autopkgtest failure, explanation can be found here: 
  
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1718055/comments/9

  [other info]

  related to bug 1532146

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1718055] Re: update-initramfs fails for MODULES=dep when root is on LVM wich uses nvme device

[Dan Streetman]

the linux autopkgtest failure is due to the kernel team change to only
build a single kernel 'flavour' to reduce test rebuild time, but the
autopkgtest still expects the (no longer built) -lpae flavor on armhf.
The kernel team has a bug open for it and is fixing it in the next
build.

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Title:
  update-initramfs fails for MODULES=dep when root is on LVM wich uses
  nvme device

Status in initramfs-tools package in Ubuntu:
  Fix Released
Status in initramfs-tools source package in Trusty:
  Fix Committed

Bug description:
  [impact]

  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that
  uses lvm on nvme.

  [test case]

  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc
  /initramfs-tools/initramfs.conf file and change the MODULES line to
  MODULES=dep and save the file.  Then run sudo update-initramfs -u
  which will fail with:

  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.

  
  [regression potential]

  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.

  [other info]

  related to bug 1532146

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1718055] Re: update-initramfs fails for MODULES=dep when root is on LVM wich uses nvme device

[Dan Streetman]

the linux-lts-xenial autopkgtest failures are due to that pkg's test
expecting the running kernel == test kernel, which is wrong as trusty is
running stock 3.13 linux in the test, and the linux-lts autopkgtest
doesn't upgrade to linux-lts-* kernel.  so unrelated to this change.

e.g.
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-trusty/trusty/amd64/l/linux-lts-xenial/20170929_000420_777ca@/log.gz

...
Source Package Version: 4.4.0-97.120~14.04.1
Running Kernel Version: 3.13.0-133.182
ERROR: running version does not match source package
...

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Title:
  update-initramfs fails for MODULES=dep when root is on LVM wich uses
  nvme device

Status in initramfs-tools package in Ubuntu:
  Fix Released
Status in initramfs-tools source package in Trusty:
  Fix Committed

Bug description:
  [impact]

  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that
  uses lvm on nvme.

  [test case]

  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc
  /initramfs-tools/initramfs.conf file and change the MODULES line to
  MODULES=dep and save the file.  Then run sudo update-initramfs -u
  which will fail with:

  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.

  
  [regression potential]

  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.

  [other info]

  related to bug 1532146

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1718055] Re: update-initramfs fails for MODULES=dep when root is on LVM wich uses nvme device

[Dan Streetman]

$ dpkg -l | grep initramfs-tools
ii  initramfs-tools  0.103ubuntu4.7 
all  tools for generating an initramfs
ii  initramfs-tools-bin  0.103ubuntu4.7 
amd64binaries used by initramfs-tools

$ sudo update-initramfs -u
update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
mkinitramfs: workaround is MODULES=most
mkinitramfs: Error please report the bug
update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.


after update to proposed:

$ dpkg -l | grep initramfs-tools
ii  initramfs-tools  0.103ubuntu4.8 
all  tools for generating an initramfs
ii  initramfs-tools-bin  0.103ubuntu4.8 
amd64binaries used by initramfs-tools

$ sudo update-initramfs -u
update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic


initramfs successfully built.

** Tags removed: verification-needed verification-needed-trusty
** Tags added: verification-done verification-done-trusty

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Title:
  update-initramfs fails for MODULES=dep when root is on LVM wich uses
  nvme device

Status in initramfs-tools package in Ubuntu:
  Fix Released
Status in initramfs-tools source package in Trusty:
  Fix Committed

Bug description:
  [impact]

  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that
  uses lvm on nvme.

  [test case]

  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc
  /initramfs-tools/initramfs.conf file and change the MODULES line to
  MODULES=dep and save the file.  Then run sudo update-initramfs -u
  which will fail with:

  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.

  
  [regression potential]

  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.

  [other info]

  related to bug 1532146

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1718055/+subscriptions

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[Touch-packages] [Bug 1718055] Re: update-initramfs fails for MODULES=dep when root is on LVM wich uses nvme device

[Brian Murray]

Hello Dan, or anyone else affected,

Accepted initramfs-tools into trusty-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/initramfs-
tools/0.103ubuntu4.8 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 and change the tag from
verification-needed-trusty to verification-done-trusty. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-trusty. In either case, details of your
testing will help us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: initramfs-tools (Ubuntu Trusty)
   Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-trusty

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Title:
  update-initramfs fails for MODULES=dep when root is on LVM wich uses
  nvme device

Status in initramfs-tools package in Ubuntu:
  Fix Released
Status in initramfs-tools source package in Trusty:
  Fix Committed

Bug description:
  [impact]

  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that
  uses lvm on nvme.

  [test case]

  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc
  /initramfs-tools/initramfs.conf file and change the MODULES line to
  MODULES=dep and save the file.  Then run sudo update-initramfs -u
  which will fail with:

  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.

  
  [regression potential]

  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.

  [other info]

  related to bug 1532146

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1718055/+subscriptions

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[Touch-packages] [Bug 1718055] Re: update-initramfs fails for MODULES=dep when root is on LVM wich uses nvme device

[Brian Murray]

I've uploaded this to the SRU queue for review by the SRU team.

** Also affects: initramfs-tools (Ubuntu Trusty)
   Importance: Undecided
   Status: New

** Changed in: initramfs-tools (Ubuntu Trusty)
   Status: New => In Progress

** Changed in: initramfs-tools (Ubuntu Trusty)
   Importance: Undecided => Medium

** Changed in: initramfs-tools (Ubuntu Trusty)
 Assignee: (unassigned) => Dan Streetman (ddstreet)

** Changed in: initramfs-tools (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  update-initramfs fails for MODULES=dep when root is on LVM wich uses
  nvme device

Status in initramfs-tools package in Ubuntu:
  Fix Released
Status in initramfs-tools source package in Trusty:
  In Progress

Bug description:
  [impact]

  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that
  uses lvm on nvme.

  [test case]

  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc
  /initramfs-tools/initramfs.conf file and change the MODULES line to
  MODULES=dep and save the file.  Then run sudo update-initramfs -u
  which will fail with:

  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.

  
  [regression potential]

  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.

  [other info]

  related to bug 1532146

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1718055/+subscriptions

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[Touch-packages] [Bug 1718055] Re: update-initramfs fails for MODULES=dep when root is on LVM wich uses nvme device

[Ubuntu Foundations Team Bug Bot]

The attachment "lp1718055-trusty.debdiff" seems to be a debdiff.  The
ubuntu-sponsors team has been subscribed to the bug report so that they
can review and hopefully sponsor the debdiff.  If the attachment isn't a
patch, please remove the "patch" flag from the attachment, remove the
"patch" tag, and if you are member of the ~ubuntu-sponsors, unsubscribe
the team.

[This is an automated message performed by a Launchpad user owned by
~brian-murray, for any issue please contact him.]

** Tags added: patch

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Title:
  update-initramfs fails for MODULES=dep when root is on LVM wich uses
  nvme device

Status in initramfs-tools package in Ubuntu:
  In Progress

Bug description:
  [impact]

  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that
  uses lvm on nvme.

  [test case]

  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc
  /initramfs-tools/initramfs.conf file and change the MODULES line to
  MODULES=dep and save the file.  Then run sudo update-initramfs -u
  which will fail with:

  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.

  
  [regression potential]

  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.

  [other info]

  related to bug 1532146

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1718055/+subscriptions

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[Touch-packages] [Bug 1718055] Re: update-initramfs fails for MODULES=dep when root is on LVM wich uses nvme device

[Dan Streetman]

** Patch added: "lp1718055-trusty.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1718055/+attachment/4953633/+files/lp1718055-trusty.debdiff

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Title:
  update-initramfs fails for MODULES=dep when root is on LVM wich uses
  nvme device

Status in initramfs-tools package in Ubuntu:
  In Progress

Bug description:
  [impact]

  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that
  uses lvm on nvme.

  [test case]

  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc
  /initramfs-tools/initramfs.conf file and change the MODULES line to
  MODULES=dep and save the file.  Then run sudo update-initramfs -u
  which will fail with:

  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.

  
  [regression potential]

  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.

  [other info]

  related to bug 1532146

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1718055/+subscriptions

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[Touch-packages] [Bug 1718055] Re: update-initramfs fails for MODULES=dep when root is on LVM wich uses nvme device

[Dan Streetman]

Note this is fixed in upstream debian by commit:

commit 3cb744c9cf39f0dc178370ef6235a1b30f8c7d06
Author: Ben Hutchings 
Date:   Tue Dec 8 02:53:23 2015 +

hook-functions: Rewrite block device sysfs lookup to be generic


That commit is a larger change that reworks the entire way initramfs parses 
/dev/* names into underlying sys block device names, and is more change that is 
required to get trusty initramfs-tools working for this bug.

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Title:
  update-initramfs fails for MODULES=dep when root is on LVM wich uses
  nvme device

Status in initramfs-tools package in Ubuntu:
  In Progress

Bug description:
  [impact]

  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that
  uses lvm on nvme.

  [test case]

  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc
  /initramfs-tools/initramfs.conf file and change the MODULES line to
  MODULES=dep and save the file.  Then run sudo update-initramfs -u
  which will fail with:

  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.

  
  [regression potential]

  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.

  [other info]

  related to bug 1532146

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1718055/+subscriptions

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[Touch-packages] [Bug 1718055] Re: update-initramfs fails for MODULES=dep when root is on LVM wich uses nvme device

[Dan Streetman]

this applies only to trusty; initramfs-tools in later releases is fixed
already.

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to initramfs-tools in Ubuntu.
https://bugs.launchpad.net/bugs/1718055

Title:
  update-initramfs fails for MODULES=dep when root is on LVM wich uses
  nvme device

Status in initramfs-tools package in Ubuntu:
  In Progress

Bug description:
  [impact]

  On a trusty system, if using MODULES=dep with lvm-on-nvme then update-
  initramfs fails to rebuild the initramfs.  This prevents using
  MODULES=dep for building an initramfs on trusty, with a rootfs that
  uses lvm on nvme.

  [test case]

  install a system where the rootfs uses a LVM logical volume that is
  located on a physical volume on a NVMe drive.  Edit the /etc
  /initramfs-tools/initramfs.conf file and change the MODULES line to
  MODULES=dep and save the file.  Then run sudo update-initramfs -u
  which will fail with:

  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-3.13.0-129-generic
  mkinitramfs: for root /dev/dm-0 missing nvme /sys/block/ entry
  mkinitramfs: workaround is MODULES=most
  mkinitramfs: Error please report the bug
  update-initramfs: failed for /boot/initrd.img-3.13.0-129-generic with 1.

  
  [regression potential]

  This changes initramfs creation for rootfs that are on nvme or lvm, so
  has the potential to break it for any system with its rootfs on either
  or both of those.  It is likely to only break initramfs creation, not
  system booting.

  [other info]

  related to bug 1532146

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1718055/+subscriptions

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