[Bug 1975587] Re: systemd: fix test-execute autotest failure with kernel 5.15 in focal

[Timo Aaltonen]

Hello Andrea, or anyone else affected,

Accepted systemd into focal-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/systemd/245.4-4ubuntu3.19 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: systemd (Ubuntu Focal)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-focal

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https://bugs.launchpad.net/bugs/1975587

Title:
  systemd: fix test-execute autotest failure with kernel 5.15 in focal

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Focal:
  Fix Committed

Bug description:
  [Impact]

  test-execute autotest is failing in focal with kernel 5.15. This is
  because the following kernel commit changed the ABI for ioprio:

  e70344c05995 ("block: fix default IO priority handling")

  Previously setting IOPRIO_CLASS_NONE for a process would report
  IOPRIO_CLASS_NONE back. But starting with 5.15 it reports
  IOPRIO_CLASS_BE instead.

  [Test case]

  Run systemd autopkgtest and check for the test-execute result.

  [Fix]

  Change test/test-execute/exec-ioschedulingclass-none.service to
  recognize both "none" and "best-effort" as valid returned strings from
  ionice.

  This change is already available in jammy and above.

  [Regression potential]

  We may see regressions in systemd autopkgtest, we won't introduce any
  potential regressions in systemd itself, because this is only
  affecting the specific unit test.

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