memcg_max_usage_in_bytes_test from controllers test suite in LTP failed

[Po-Hsu Lin]

This is not a new failure, we used to point this to the a similar but different failure (memcg_usage_in_bytes_test lp:1829984)

Test failed with:
 memcg_max_usage_in_bytes_test 1 TFAIL: memory.max_usage_in_bytes is 4325376, 4194304 expected
 memcg_max_usage_in_bytes_test 3 TFAIL: memory.max_usage_in_bytes is 4325376, 4194304 expected
 memcg_max_usage_in_bytes_test 4 TFAIL: memory.max_usage_in_bytes is 131072, 0 expected

 startup='Mon Sep 28 08:33:14 2020'
 memcg_max_usage_in_bytes_test 1 TINFO: Starting test 1
 sh: echo: I/O error
 memcg_max_usage_in_bytes_test 1 TINFO: set /dev/memcg/memory.use_hierarchy to 0 failed
 memcg_max_usage_in_bytes_test 1 TINFO: Running memcg_process --mmap-anon -s 4194304
 memcg_max_usage_in_bytes_test 1 TINFO: Warming up pid: 1401
 memcg_max_usage_in_bytes_test 1 TINFO: Process is still here after warm up: 1401
 memcg_max_usage_in_bytes_test 1 TFAIL: memory.max_usage_in_bytes is 4325376, 4194304 expected
 memcg_max_usage_in_bytes_test 2 TINFO: Starting test 2
 sh: echo: I/O error
 memcg_max_usage_in_bytes_test 2 TINFO: set /dev/memcg/memory.use_hierarchy to 0 failed
 memcg_max_usage_in_bytes_test 2 TCONF: mem+swap is not enabled
 memcg_max_usage_in_bytes_test 3 TINFO: Starting test 3
 sh: echo: I/O error
 memcg_max_usage_in_bytes_test 3 TINFO: set /dev/memcg/memory.use_hierarchy to 0 failed
 memcg_max_usage_in_bytes_test 3 TINFO: Running memcg_process --mmap-anon -s 4194304
 memcg_max_usage_in_bytes_test 3 TINFO: Warming up pid: 1429
 memcg_max_usage_in_bytes_test 3 TINFO: Process is still here after warm up: 1429
 memcg_max_usage_in_bytes_test 3 TFAIL: memory.max_usage_in_bytes is 4325376, 4194304 expected
 memcg_max_usage_in_bytes_test 4 TFAIL: memory.max_usage_in_bytes is 131072, 0 expected
 memcg_max_usage_in_bytes_test 5 TINFO: Starting test 4
 sh: echo: I/O error
 memcg_max_usage_in_bytes_test 5 TINFO: set /dev/memcg/memory.use_hierarchy to 0 failed
 memcg_max_usage_in_bytes_test 5 TCONF: mem+swap is not enabled
 tag=memcg_max_usage_in_bytes stime=1601281994 dur=3 exit=exited stat=33

[Kelsey Steele (kelsey-steele)]

Found on Groovy lowlatency 5.8.0-31.33

[Kelsey Steele (kelsey-steele)]

found on bionic/ibm-gt 4.15.0-1084.93

[Marcelo Cerri (mhcerri)]

Also seen in bionic linux-fips 4.15.0-1057.65 for sru-20210315

[Marcelo Cerri (mhcerri)]

Also seen in bionic linux-gcp-fips 4.15.0-2007.8 for sru-20210315 (sru-20210222 as well)

[Guilherme G. Piccoli (gpiccoli)]

Issue observed in F/KVM, cycle sru-20210412.

[Guilherme G. Piccoli (gpiccoli)]

Observed in F/KVM, cycle sru-20210510.

[Guilherme G. Piccoli (gpiccoli)]

Observed in B/KVM, cycle sru-20210510.

[Guilherme G. Piccoli (gpiccoli)]

Observed in H/KVM, cycle sru-20210510.

[Krzysztof Kozlowski (krzk)]

Sent to upstream (LTP): https://github.com/linux-test-project/ltp/pull/829