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[Portia Stephens <2069823@xxxxxxxxxxxxxxxxxx>]

I see this on a non ARM64 system. bionic/linux-gcp-4.15: 4.15.0-1163.180

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https://bugs.launchpad.net/bugs/2069823

Title:
  msgstress01 from ubuntu_ltp_syscalls failed with WARNING on ARM64
  (TWARN: Out of runtime during forking...)

Status in ubuntu-kernel-tests:
  New

Bug description:
  This issue pops up with 8f21ebba42 LTP 20240524 update.
  This was spotted on openstack ARM64 instances with F/N, I assume we will see this on other releases with more tests.

  The test is not really failing, it's the WARNING that emitted by the
  test that cause this problem.

  INFO: Test start time: Wed Jun 19 09:34:59 UTC 2024
  COMMAND:    /opt/ltp/bin/ltp-pan -q  -e -S   -a 137951     -n 137951  -f /tmp/ltp-yQanT2tSBp/alltests -l /dev/null  -C /dev/null -T /dev/null
  LOG File: /dev/null
  FAILED COMMAND File: /dev/null
  TCONF COMMAND File: /dev/null
  Running tests.......
  tst_test.c:1733: TINFO: LTP version: 20240524
  tst_test.c:1617: TINFO: Timeout per run is 0h 03m 30s
  tst_pid.c:84: TINFO: Cannot read session user limits from '/sys/fs/cgroup/user.slice/user-1000.slice/pids.max'
  tst_pid.c:94: TINFO: Found limit of processes 10027 (from /sys/fs/cgroup/pids/user.slice/user-1000.slice/pids.max)
  msgstress01.c:271: TINFO: Available messages slots: 4675
  msgstress01.c:217: TWARN: Out of runtime during forking...
  msgstress01.c:246: TPASS: Test passed. All messages have been received

  Summary:
  passed   1
  failed   0
  broken   0
  skipped  0
  warnings 1
  INFO: ltp-pan reported some tests FAIL
  LTP Version: 20240524
  INFO: Test end time: Wed Jun 19 09:38:00 UTC 2024

  Caused by https://github.com/linux-test-
  project/ltp/commit/dac76a85fc0222ba20e1d269b00eb1fe78d530f1

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