[Bug 2133402] Re: TEST-43-KERNEL-INSTALL fails on arm64: /boot/vmlinuz-6.17.0-5-generic is missing .efi suffix

[Launchpad Bug Tracker]

This bug was fixed in the package stubble - 4-0ubuntu3

---------------
stubble (4-0ubuntu3) resolute; urgency=medium

  * stubble: omit .osrel section from kernel image (LP: #2133402)

 -- Nick Rosbrook <enr0n at ubuntu.com>  Mon, 12 Jan 2026 09:25:46 -0500

** Changed in: stubble (Ubuntu)
       Status: Fix Committed => Fix Released

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Title:
  TEST-43-KERNEL-INSTALL fails on arm64: /boot/vmlinuz-6.17.0-5-generic
  is missing .efi suffix

Status in dracut package in Ubuntu:
  In Progress
Status in stubble package in Ubuntu:
  Fix Released
Status in systemd package in Ubuntu:
  Fix Released

Bug description:
  TEST-43-KERNEL-INSTALL fails only on Ubuntu arm64 (all other
  architectures work and it works on Debian unstable):

  ```
  autopkgtest [22:28:47]: test 43-kernel-install: [-----------------------
  make: Entering directory '/tmp/autopkgtest.Z5NrGZ/autopkgtest_tmp/test'
  make[1]: Entering directory '/tmp/autopkgtest.Z5NrGZ/autopkgtest_tmp/test/TEST-43-KERNEL-INSTALL'
  TEST: kernel-install with root filesystem on ext4 filesystem   [STARTED] 
  Calling dracut --tmpdir /var/tmp/dracut-test.Xh3MQT --add-confdir test-root -f /var/tmp/dracut-test.Xh3MQT/initramfs.root
  Not removing /var/tmp/dracut-test.Xh3MQT/dracut.dn2hGWT.
  Error: /boot/vmlinuz-6.17.0-5-generic is missing .efi suffix.
  /usr/lib/kernel/install.d/90-uki-copy.install failed with exit status 1.
  TEST: kernel-install with root filesystem on ext4 filesystem   [FAILED] 
  see /tmp/autopkgtest.Z5NrGZ/autopkgtest_tmp/test/TEST-43-KERNEL-INSTALL/test.log
  make[1]: Leaving directory '/tmp/autopkgtest.Z5NrGZ/autopkgtest_tmp/test/TEST-43-KERNEL-INSTALL'
  make: Leaving directory '/tmp/autopkgtest.Z5NrGZ/autopkgtest_tmp/test'
  make[1]: *** [../Makefile.testdir:4: all] Error 1
  make: *** [Makefile:4: TEST-43-KERNEL-INSTALL] Error 2
  autopkgtest [22:28:56]: test 43-kernel-install: -----------------------]
  ```

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