[Bug 2085503] Re: initramfs-tools/0.140ubuntu13.4 ADT test failure with linux/5.15.0-125.135

[Benjamin Drung]

Thank you for taking the time to report this bug and contributing to
Ubuntu. I fail to find the culprit in the initramfs-tools source code.
`lib/firmware` is searched in `add_firmware`, but it does not use the
find command.

To further troubleshoot this issue, we need to be able to reproduce this
failure.

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Title:
  initramfs-tools/0.140ubuntu13.4 ADT test failure with
  linux/5.15.0-125.135

Status in initramfs-tools package in Ubuntu:
  New
Status in linux package in Ubuntu:
  New

Bug description:
  This is a scripted bug report about ADT failures while running
  initramfs-tools tests for linux/5.15.0-125.135 on jammy. Whether this
  is caused by the dep8 tests of the tested source or the kernel has yet
  to be determined.

  Testing failed on:
      amd64: https://autopkgtest.ubuntu.com/results/autopkgtest-jammy/jammy/amd64/i/initramfs-tools/20241018_134359_e7fcd@/log.gz

  Multiple sub-tests fail because of missing firmware (directory):

  813s amd64-ata-only       FAIL stderr: find: ‘/tmp/autopkgtest.uid9aC/autopkgtest_tmp/mkinitramfs_mtEnT4/lib/firmware’: No such file or directory
  813s amd64-virtio-only    FAIL stderr: find: ‘/tmp/autopkgtest.uid9aC/autopkgtest_tmp/mkinitramfs_nYMKag/lib/firmware’: No such file or directory
  813s amd64-separate-usr   FAIL stderr: find: ‘/tmp/autopkgtest.uid9aC/autopkgtest_tmp/mkinitramfs_uRFQTf/lib/firmware’: No such file or directory
  813s amd64-panic-shell    FAIL stderr: find: ‘/tmp/autopkgtest.uid9aC/autopkgtest_tmp/mkinitramfs_yfrEDD/lib/firmware’: No such file or directory
  813s amd64-net            FAIL stderr: find: ‘/tmp/autopkgtest.uid9aC/autopkgtest_tmp/mkinitramfs_zKpc2Z/lib/firmware’: No such file or directory

  This message happens early in the test and when booting the 2nd level
  VM it is missing modules. I tried to re-create locally and could not
  see this happening. Also this does not sound like a kernel issue and
  there are no kernel error messages visible either. Other than in the
  boot and that would be a result of previous problems.

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