[Bug 2062118] [NEW] autopkgtests fail on s390x (segfault)

[Christian Ehrhardt ]

Public bug reported:

As part of the added QA to libtracefs it was found that it triggers a segfault on s390x.
This isn't just a test failing, it seems this is still deeply broken on s390x.

Either way, while in the time pressure of the noble release the decision
was simplified like "The tests didn't make it worse, just now we know"
and continued (To not leave these platforms behind later unable to add
it, albeit knowing it is still incomplete for now).

It does not mean that we can ignore them for too long and certainly need
to work on completing that into being fully functional in tests and real
usage. Hence we create this spin off bug from the MIR work in bug
2051925 for tracking the further efforts.

Example test log:
https://autopkgtest.ubuntu.com/results/autopkgtest-noble/noble/s390x/libt/libtracefs/20240417_184123_8ab96@/log.gz

** Affects: libtracefs (Ubuntu)
     Importance: Undecided
     Assignee: Adrien Nader (adrien-n)
         Status: New

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https://bugs.launchpad.net/bugs/2062118

Title:
  autopkgtests fail on s390x (segfault)

Status in libtracefs package in Ubuntu:
  New

Bug description:
  As part of the added QA to libtracefs it was found that it triggers a segfault on s390x.
  This isn't just a test failing, it seems this is still deeply broken on s390x.

  Either way, while in the time pressure of the noble release the
  decision was simplified like "The tests didn't make it worse, just now
  we know" and continued (To not leave these platforms behind later
  unable to add it, albeit knowing it is still incomplete for now).

  It does not mean that we can ignore them for too long and certainly
  need to work on completing that into being fully functional in tests
  and real usage. Hence we create this spin off bug from the MIR work in
  bug 2051925 for tracking the further efforts.

  Example test log:
  https://autopkgtest.ubuntu.com/results/autopkgtest-noble/noble/s390x/libt/libtracefs/20240417_184123_8ab96@/log.gz

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