[Bug 2081020] Autopkgtest regression report (initramfs-tools/0.142ubuntu25.4)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted initramfs-tools (0.142ubuntu25.4) for noble have finished running.
The following regressions have been reported in tests triggered by the package:

zfs-linux/2.2.2-0ubuntu9 (s390x)


Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/noble/update_excuses.html#initramfs-tools

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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https://bugs.launchpad.net/bugs/2081020

Title:
  initrd: Ubuntu 24.04 fails to boot on UFS storage

Status in OEM Priority Project:
  Confirmed
Status in initramfs-tools package in Ubuntu:
  Fix Released
Status in initramfs-tools source package in Noble:
  Fix Committed

Bug description:
  [Summary]

  Boot into initramfs after install 24.04 on UFS storage

  [Steps to reproduce]

  1. install ubuntu 24.04 on device with UFS storage
  2. reboot

  As additional SRU test:

  1. Store the list of files in the initrd before the package update:
  3cpio -t /boot/initrd.img > before
  2. Upgrade initramfs-tools to the fixed version
  3. Store the list of files in the initrd afterwards:
  3cpio -t /boot/initrd.img > after
  4. Compare the content of the initrd:
  diff -u before after
  5. The diff should only show (six) new kernel modules from drivers/ufs/host

  [Expected result]

  Boot into ubuntu desktop

  [Actual result]

  Boot into initramfs

  [Failure rate]

  100%

  [ Where problems could occur ]

  The initrd size will increase by 80 kB (see comment #6) and should not
  trigger people to run out of disk space.

  Generating the initrd during package upgrade could fail due to
  unrelated bugs, lack of disk space, or hardware failure.

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