[Bug 2034299] Re: blkid frequently exits non-zero in image builds

[Launchpad Bug Tracker]

This bug was fixed in the package livecd-rootfs - 23.10.31

---------------
livecd-rootfs (23.10.31) mantic; urgency=medium

  * blkid is unreliable in mount_image(), but this blkid call is only here
    for debugging, so ignore any failures (even if we don't understand
    them).  LP: #2034299.
  * mark the minimized autopkgtest as also allowing stderr, in the event of
    any error messages from blkid.

 -- Steve Langasek <steve.langasek at ubuntu.com>  Tue, 05 Sep 2023
14:42:03 -0700

** Changed in: livecd-rootfs (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/2034299

Title:
  blkid frequently exits non-zero in image builds

Status in livecd-rootfs package in Ubuntu:
  Fix Released

Bug description:
  We have been having very frequent image build failures in the livecd-
  rootfs autopkgtests, due to a 'debugging output' invocation of blkid.
  It's not clear when these started - they started before the merge of
  the new version of util-linux, so it doesn't appear to be a blkid
  regression - but they definitely seem to now be more frequent, and to
  happen more often on ppc64el than on amd64.  (amd64 runs more image
  build tests in autopkgtest than other archs, so it may affect that
  arch more often despite not happening with greater frequency.)

  One possibility is that this is a regression due to wrong behavior of
  losetup -P returning from the kernel before the devices are settled.
  If so, this must be a regression in the kernel or systemd since it
  doesn't line up with the change in util-linux.

  Since this blkid invocation is for debugging purposes anyway, we
  shouldn't fail the image build on it regardless of the cause.

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