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[Bug 2047694] [NEW] mm:cpuset01 from ubuntu_ltp flaky on scobee-kernel with J-realtime

 

Public bug reported:

It seems we didn't run this test on scobee-kernel with J-realtime
before, so it's a bit difficult to determine if this is caused by the
recent LTP fork update [1].

Test failed with timeout:
INFO: Test start time: Thu Dec 21 09:12:45 UTC 2023
COMMAND:    /opt/ltp/bin/ltp-pan -q  -e -S   -a 244473     -n 244473  -f /tmp/ltp-SeaoDkJ1R1/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:1690: TINFO: LTP version: 20230929-185-g19ef6521d
tst_test.c:1574: TINFO: Timeout per run is 0h 00m 30s
Test timeouted, sending SIGKILL!
tst_test.c:1622: TINFO: Killed the leftover descendant processes
tst_test.c:1628: TINFO: If you are running on slow machine, try exporting LTP_TIMEOUT_MUL > 1
tst_test.c:1630: TBROK: Test killed! (timeout?)

Summary:
passed   0
failed   0
broken   1
skipped  0
warnings 0
INFO: ltp-pan reported some tests FAIL
LTP Version: 20230929-185-g19ef6521d
INFO: Test end time: Thu Dec 21 09:13:15 UTC 2023

I tried to test this manually on scobee-kernel, but I found this is a
bit flaky. In some attempts this test can finish with 10 seconds, but
sometimes it will take up to 90 seconds.


Maybe bumping the timeout multiplier can be a possible solution.

[1] https://lists.ubuntu.com/archives/kernel-
team/2023-December/147590.html

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New


** Tags: 5.15 arm64 jammy realtime ubuntu-ltp

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https://bugs.launchpad.net/bugs/2047694

Title:
  mm:cpuset01 from ubuntu_ltp flaky on scobee-kernel with J-realtime

Status in ubuntu-kernel-tests:
  New

Bug description:
  It seems we didn't run this test on scobee-kernel with J-realtime
  before, so it's a bit difficult to determine if this is caused by the
  recent LTP fork update [1].

  Test failed with timeout:
  INFO: Test start time: Thu Dec 21 09:12:45 UTC 2023
  COMMAND:    /opt/ltp/bin/ltp-pan -q  -e -S   -a 244473     -n 244473  -f /tmp/ltp-SeaoDkJ1R1/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:1690: TINFO: LTP version: 20230929-185-g19ef6521d
  tst_test.c:1574: TINFO: Timeout per run is 0h 00m 30s
  Test timeouted, sending SIGKILL!
  tst_test.c:1622: TINFO: Killed the leftover descendant processes
  tst_test.c:1628: TINFO: If you are running on slow machine, try exporting LTP_TIMEOUT_MUL > 1
  tst_test.c:1630: TBROK: Test killed! (timeout?)

  Summary:
  passed   0
  failed   0
  broken   1
  skipped  0
  warnings 0
  INFO: ltp-pan reported some tests FAIL
  LTP Version: 20230929-185-g19ef6521d
  INFO: Test end time: Thu Dec 21 09:13:15 UTC 2023

  I tried to test this manually on scobee-kernel, but I found this is a
  bit flaky. In some attempts this test can finish with 10 seconds, but
  sometimes it will take up to 90 seconds.

  
  Maybe bumping the timeout multiplier can be a possible solution.

  [1] https://lists.ubuntu.com/archives/kernel-
  team/2023-December/147590.html

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