canonical-ubuntu-qa team mailing list archive

[Po-Hsu Lin <2028776@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

This bug is split out from bug 1983659

memcg_control test is failing with:
    memcg_control_test 1 TINFO: Test #1: Checking if the memory usage limit imposed by the topmost group is enforced
    tst_rod: Failed to open '/sys/fs/cgroup/memory/ltp/test-18872/memory.memsw.limit_in_bytes' for writing: Permission denied
    memcg_control_test 1 TBROK: echo 4096 > /sys/fs/cgroup/memory/ltp/test-18872/memory.memsw.limit_in_bytes failed

Test log:
INFO: Test start time: Tue Jun 13 15:49:22 UTC 2023
COMMAND:    /opt/ltp/bin/ltp-pan -q  -e -S   -a 18831     -n 18831  -f /tmp/ltp-HdDSIAqMJj/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.......
memcg_control_test 1 TINFO: timeout per run is 0h 5m 0s
memcg_control_test 1 TINFO: Test starts with cgroup version 1
memcg_control_test 1 TINFO: Test #1: Checking if the memory usage limit imposed by the topmost group is enforced
tst_rod: Failed to open '/sys/fs/cgroup/memory/ltp/test-18872/memory.memsw.limit_in_bytes' for writing: Permission denied
memcg_control_test 1 TBROK: echo 4096 > /sys/fs/cgroup/memory/ltp/test-18872/memory.memsw.limit_in_bytes failed
memcg_control_test 1 TINFO: AppArmor enabled, this may affect test results
memcg_control_test 1 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1 (requires super/root)
memcg_control_test 1 TINFO: loaded AppArmor profiles: none

Summary:
passed   0
failed   0
broken   1
skipped  0
warnings 0
INFO: ltp-pan reported some tests FAIL
LTP Version: 20220527
INFO: Test end time: Tue Jun 13 15:49:22 UTC 2023

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


** Tags: 5.4 aws bionic ubuntu-ltp-controllers

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https://bugs.launchpad.net/bugs/2028776

Title:
  memcg_control from ubuntu_ltp_controllers failed (Failed to open
  memory.memsw.limit_in_bytes for writing: Permission denied)

Status in ubuntu-kernel-tests:
  New

Bug description:
  This bug is split out from bug 1983659

  memcg_control test is failing with:
      memcg_control_test 1 TINFO: Test #1: Checking if the memory usage limit imposed by the topmost group is enforced
      tst_rod: Failed to open '/sys/fs/cgroup/memory/ltp/test-18872/memory.memsw.limit_in_bytes' for writing: Permission denied
      memcg_control_test 1 TBROK: echo 4096 > /sys/fs/cgroup/memory/ltp/test-18872/memory.memsw.limit_in_bytes failed

  Test log:
  INFO: Test start time: Tue Jun 13 15:49:22 UTC 2023
  COMMAND:    /opt/ltp/bin/ltp-pan -q  -e -S   -a 18831     -n 18831  -f /tmp/ltp-HdDSIAqMJj/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.......
  memcg_control_test 1 TINFO: timeout per run is 0h 5m 0s
  memcg_control_test 1 TINFO: Test starts with cgroup version 1
  memcg_control_test 1 TINFO: Test #1: Checking if the memory usage limit imposed by the topmost group is enforced
  tst_rod: Failed to open '/sys/fs/cgroup/memory/ltp/test-18872/memory.memsw.limit_in_bytes' for writing: Permission denied
  memcg_control_test 1 TBROK: echo 4096 > /sys/fs/cgroup/memory/ltp/test-18872/memory.memsw.limit_in_bytes failed
  memcg_control_test 1 TINFO: AppArmor enabled, this may affect test results
  memcg_control_test 1 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1 (requires super/root)
  memcg_control_test 1 TINFO: loaded AppArmor profiles: none

  Summary:
  passed   0
  failed   0
  broken   1
  skipped  0
  warnings 0
  INFO: ltp-pan reported some tests FAIL
  LTP Version: 20220527
  INFO: Test end time: Tue Jun 13 15:49:22 UTC 2023

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