[Bug 2064175] Re: buildd/h/02-disk-image-uefi.binary fails on jammy

[Launchpad Bug Tracker]

** Merge proposal linked:
   https://code.launchpad.net/~simpoir/livecd-rootfs/+git/livecd-rootfs/+merge/465193

** Merge proposal linked:
   https://code.launchpad.net/~simpoir/livecd-rootfs/+git/livecd-rootfs/+merge/465194

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https://bugs.launchpad.net/bugs/2064175

Title:
  buildd/h/02-disk-image-uefi.binary fails on jammy

Status in livecd-rootfs package in Ubuntu:
  Confirmed

Bug description:
  [ impact ]

   * In replacing kpartx with losetup, earlier this year, grub-install
     (grub-probe) started failing for bootable uefi buildd images on jammy.
     This failure started around 2024-01-14.

   * uefi buildd images don't build on jammy. Later suites appear to have
     udev as a transitive dependency, thus not hitting the same issue.

   * udev was getting installed in later hooks. Adding it earlier isn't
     altering the resulting artifact.

  [ test plan ]

   * live-build with --series=jammy --project ubuntu-base --subproject
  buildd --image-format ext4 --image-target all

   * uefi image should build and be bootable from qemu

  [ where problems could occur ]

   * affected hook is specific to buildd

   * considering udev is now installed in an earlier buildd hook, it could
     technically interfere with later build steps. Recent additions of flock
     address some of the udev races but this could surface more.

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