Seen on 2025.02.10/focal-aws a1.xlarge instance
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https://bugs.launchpad.net/bugs/2015527
Title:
ubuntu_ltp_controllers:memcg_stat_rss: TFAIL: rss is 135168, 0
expected
Status in ubuntu-kernel-tests:
New
Bug description:
This is not a regression, just that we don't have a proper bug report
for it.
Test failed with:
TFAIL: rss is 135168, 0 expected
This test seems kinda flaky.
INFO: Test start time: Thu Apr 6 17:34:20 UTC 2023
COMMAND: /opt/ltp/bin/ltp-pan -q -e -S -a 200140 -n 200140 -f
/tmp/ltp-NakqrA949r/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_stat_rss 1 TINFO: timeout per run is 0h 5m 0s
memcg_stat_rss 1 TINFO: set /sys/fs/cgroup/memory/memory.use_hierarchy to 0
failed
memcg_stat_rss 1 TINFO: Setting shmmax
memcg_stat_rss 1 TINFO: Running memcg_process --mmap-anon -s 135168
memcg_stat_rss 1 TINFO: Warming up pid: 200229
memcg_stat_rss 1 TINFO: Process is still here after warm up: 200229
memcg_stat_rss 1 TPASS: rss is 135168 as expected
memcg_stat_rss 2 TINFO: Running memcg_process --mmap-file -s 4096
memcg_stat_rss 2 TINFO: Warming up pid: 200245
memcg_stat_rss 2 TINFO: Process is still here after warm up: 200245
memcg_stat_rss 2 TPASS: rss is 0 as expected
memcg_stat_rss 3 TINFO: Running memcg_process --shm -k 3 -s 4096
memcg_stat_rss 3 TINFO: Warming up pid: 200261
memcg_stat_rss 3 TINFO: Process is still here after warm up: 200261
memcg_stat_rss 3 TPASS: rss is 0 as expected
memcg_stat_rss 4 TINFO: Running memcg_process --mmap-anon --mmap-file --shm
-s 135168
memcg_stat_rss 4 TINFO: Warming up pid: 200277
memcg_stat_rss 4 TINFO: Process is still here after warm up: 200277
memcg_stat_rss 4 TPASS: rss is 135168 as expected
memcg_stat_rss 5 TINFO: Running memcg_process --mmap-lock1 -s 135168
memcg_stat_rss 5 TINFO: Warming up pid: 200293
memcg_stat_rss 5 TINFO: Process is still here after warm up: 200293
memcg_stat_rss 5 TPASS: rss is 135168 as expected
memcg_stat_rss 6 TINFO: Running memcg_process --mmap-anon -s 135168
memcg_stat_rss 6 TINFO: Warming up pid: 200309
memcg_stat_rss 6 TINFO: Process is still here after warm up: 200309
memcg_stat_rss 6 TPASS: rss is 135168 as expected
memcg_stat_rss 6 TFAIL: rss is 135168, 0 expected
memcg_stat_rss 7 TINFO: Running memcg_process --mmap-file -s 4096
memcg_stat_rss 7 TINFO: Warming up pid: 200328
memcg_stat_rss 7 TINFO: Process is still here after warm up: 200328
memcg_stat_rss 7 TPASS: rss is 0 as expected
memcg_stat_rss 7 TPASS: rss is 0 as expected
memcg_stat_rss 8 TINFO: Running memcg_process --shm -k 8 -s 4096
memcg_stat_rss 8 TINFO: Warming up pid: 200347
memcg_stat_rss 8 TINFO: Process is still here after warm up: 200347
memcg_stat_rss 8 TPASS: rss is 0 as expected
memcg_stat_rss 8 TPASS: rss is 0 as expected
memcg_stat_rss 9 TINFO: Running memcg_process --mmap-anon --mmap-file --shm
-s 135168
memcg_stat_rss 9 TINFO: Warming up pid: 200366
memcg_stat_rss 9 TINFO: Process is still here after warm up: 200366
memcg_stat_rss 9 TPASS: rss is 135168 as expected
memcg_stat_rss 9 TPASS: rss is 0 as expected
memcg_stat_rss 10 TINFO: Running memcg_process --mmap-lock1 -s 135168
memcg_stat_rss 10 TINFO: Warming up pid: 200385
memcg_stat_rss 10 TINFO: Process is still here after warm up: 200385
memcg_stat_rss 10 TPASS: rss is 135168 as expected
memcg_stat_rss 10 TPASS: rss is 0 as expected
memcg_stat_rss 11 TINFO: AppArmor enabled, this may affect test results
memcg_stat_rss 11 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1
(requires super/root)
memcg_stat_rss 11 TINFO: loaded AppArmor profiles: none
Summary:
passed 14
failed 1
broken 0
skipped 0
warnings 0
INFO: ltp-pan reported some tests FAIL
LTP Version: 20220527
INFO: Test end time: Thu Apr 6 17:34:30 UTC 2023
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