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[Bug 1888339] Re: [Potential Regression] ptrace-tar from powerpc in ubuntu_kernel_selftests failed on B/E/F

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Jürg Häfliger <1888339@xxxxxxxxxxxxxxxxxx>
Date: Sat, 19 Apr 2025 01:32:21 -0000
Reply-to: Bug 1888339 <1888339@xxxxxxxxxxxxxxxxxx>
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*** This bug is a duplicate of bug 1888332 ***
    https://bugs.launchpad.net/bugs/1888332

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1888339

Title:
  [Potential Regression] ptrace-tar from powerpc in
  ubuntu_kernel_selftests failed on B/E/F

Status in ubuntu-kernel-tests:
  New
Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Eoan:
  Incomplete

Bug description:
  Issue found on 5.3.0-64.58 with P8 node modoc (passed with P9 node)

  # selftests: powerpc/ptrace: ptrace-tar
  # test: ptrace_tar
  # tags: git_version:f21e446-dirty
  # [User Write (Running)]         TAR: 10 PPR: 4000000000000 DSCR: 100
  # [User Read (Running)]          TAR: 20 PPR: 8000000000000 DSCR: 0
  # [Ptrace Read (Running)]        TAR: 10 PPR: 4000000000000 DSCR: 100
  # [Ptrace Write (Running)]       TAR: 20 PPR: 8000000000000 DSCR: 200
  # failure: ptrace_tar
  not ok 4 selftests: powerpc/ptrace: ptrace-tar # exit=1

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