memcg_stress from ubuntu_ltp_controllers fails with missing process for kill
Bug #1946201 reported by
Krzysztof Kozlowski
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| ubuntu-kernel-tests |
New
|
Undecided
|
Unassigned | ||
Bug Description
memcg_stress from ubuntu_
---
15062 memcg_stress_test 1 TINFO: timeout per run is 0h 35m 0s
15063 memcg_stress_test 1 TINFO: Calculated available memory 191257 MB
15064 memcg_stress_test 1 TINFO: Testing 150 cgroups, using 1274 MB, interval 5
15065 memcg_stress_test 1 TINFO: Starting cgroups
15066 memcg_stress_test 1 TINFO: Testing cgroups for 900s
15067 memcg_stress_test 1 TINFO: Killing groups
15068 /opt/ltp/
15069
15070 INFO: ltp-pan reported some tests FAIL
---
Found on 2021.09.
| tags: | added: 4.15 azure bionic hinted sru-20210927 ubuntu-ltp |
Revision history for this message
| Po-Hsu Lin (cypressyew) wrote | #1 |
| tags: |
added: ubuntu-ltp-controllers removed: ubuntu-ltp |
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This is a peculiar one, I can see this failure on B-gcp-4.15 with instance n1-highmem-16 as well.
And I think it's causing the following 22 cgroup_fj_* test to fail (just like the memcg_test_3 causing these to fail in bug 1836694)
I tried to run this manually on n1-highmem-16 and it looks like:
1. This test will pass if you run it as the first test, e.g.
echo "memcg_stress memcg_stress_
sudo /opt/ltp/runltp -f /tmp/target
2. This issue can be reproduced by just running cgroup test first:
echo "cgroup cgroup_
echo "memcg_stress memcg_stress_
sudo /opt/ltp/runltp -f /tmp/target