Public bug reported:
Test pids_9_2 of ubuntu_ltp_controllers was observed to fail on node
akis with kernel N-nvidia version 6.8.0-1017.19.
pids 1 TINFO: Running: pids.sh 9 2 0
pids 1 TINFO: Tested kernel: Linux akis 6.8.0-1017-nvidia #19-Ubuntu SMP
PREEMPT_DYNAMIC Thu Oct 17 16:33:23 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
pids 1 TINFO: timeout per run is 0h 5m 0s
pids 1 TINFO: test starts with cgroup version 2
pids 1 TINFO: Running testcase 9 with 2 processes
pids 1 TINFO: migrate cgroup
pids 1 TPASS: migrate pid 716560 from cgroup1 to cgroup2 as expected
pids 1 TPASS: migrate child1 cgroup as expected
pids 1 TPASS: migrate child2 cgroup as expected
pids 1 TPASS: child1 fork worked as expected
pids 1 TPASS: child2 fork failed as expected
rmdir: failed to remove '/sys/fs/cgroup/ltp/test-716519/child1': Device or
resource busy
tst_cgroup.c:1028: TBROK: unlinkat(5, 'test-716519', AT_REMOVEDIR): EBUSY (16)
pids 2 TWARN: tst_cgctl cleanup ctrl_name ver we_require_it mnt_path
we_mounted_it ltp_dir.we_created_it test_dir.dir_name
memory 2 0 /sys/fs/cgroup 0 -1 test-716519
cpu 2 0 /sys/fs/cgroup 0 -1 test-716519
io 2 0 /sys/fs/cgroup 0 -1 test-716519
pids 2 -1 /sys/fs/cgroup 0 -1 test-716519
hugetlb 2 0 /sys/fs/cgroup 0 -1 test-716519
misc 2 0 /sys/fs/cgroup 0 -1 test-716519
rdma 2 0 /sys/fs/cgroup 0 -1 test-716519 failed
pids 2 TINFO: AppArmor enabled, this may affect test results
pids 2 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1 (requires
super/root)
pids 2 TINFO: loaded AppArmor profiles: none
Summary:
passed 5
failed 0
broken 0
skipped 0
warnings 1
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Summary changed:
- ubuntu_ltp_controllers pids_9_2
+ ubuntu_ltp_controllers pids_9_2 fails with TBROK: unlinkat EBUSY
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https://bugs.launchpad.net/bugs/2085826
Title:
ubuntu_ltp_controllers pids_9_2 fails with TBROK: unlinkat EBUSY
Status in ubuntu-kernel-tests:
New
Bug description:
Test pids_9_2 of ubuntu_ltp_controllers was observed to fail on node
akis with kernel N-nvidia version 6.8.0-1017.19.
pids 1 TINFO: Running: pids.sh 9 2 0
pids 1 TINFO: Tested kernel: Linux akis 6.8.0-1017-nvidia #19-Ubuntu SMP
PREEMPT_DYNAMIC Thu Oct 17 16:33:23 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
pids 1 TINFO: timeout per run is 0h 5m 0s
pids 1 TINFO: test starts with cgroup version 2
pids 1 TINFO: Running testcase 9 with 2 processes
pids 1 TINFO: migrate cgroup
pids 1 TPASS: migrate pid 716560 from cgroup1 to cgroup2 as expected
pids 1 TPASS: migrate child1 cgroup as expected
pids 1 TPASS: migrate child2 cgroup as expected
pids 1 TPASS: child1 fork worked as expected
pids 1 TPASS: child2 fork failed as expected
rmdir: failed to remove '/sys/fs/cgroup/ltp/test-716519/child1': Device or
resource busy
tst_cgroup.c:1028: TBROK: unlinkat(5, 'test-716519', AT_REMOVEDIR): EBUSY
(16)
pids 2 TWARN: tst_cgctl cleanup ctrl_name ver we_require_it mnt_path
we_mounted_it ltp_dir.we_created_it test_dir.dir_name
memory 2 0 /sys/fs/cgroup 0 -1 test-716519
cpu 2 0 /sys/fs/cgroup 0 -1 test-716519
io 2 0 /sys/fs/cgroup 0 -1 test-716519
pids 2 -1 /sys/fs/cgroup 0 -1 test-716519
hugetlb 2 0 /sys/fs/cgroup 0 -1 test-716519
misc 2 0 /sys/fs/cgroup 0 -1 test-716519
rdma 2 0 /sys/fs/cgroup 0 -1 test-716519 failed
pids 2 TINFO: AppArmor enabled, this may affect test results
pids 2 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1 (requires
super/root)
pids 2 TINFO: loaded AppArmor profiles: none
Summary:
passed 5
failed 0
broken 0
skipped 0
warnings 1
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