This issue was originally created at 2024-05-28T09:59:56.887Z as a Gitlab issue:
https://gitlab.com/redhat/centos-stream/tests/kernel/kernel-tests/-/issues/1928

1. Snippet of test failure

• beaker_job: https://beaker.engineering.redhat.com/recipes/16184533#task177997017
• taskout.log segment

:: [ 21:45:02 ] :: [ BEGIN ] :: Running 'echo 0 > /sys/devices/system/cpu/cpu221/online'
:: [ 21:45:03 ] :: [ PASS ] :: Command 'echo 0 > /sys/devices/system/cpu/cpu221/online' (Expected 0, got 0)
:: [ 21:45:03 ] :: [ PASS ] :: cpu oneline status restore: expect==actual (Assert: '0' should equal '0')
:: [ 21:45:03 ] :: [ BEGIN ] :: Running 'echo 0 > /sys/devices/system/cpu/cpu222/online'
:: [ 21:45:05 ] :: [ PASS ] :: Command 'echo 0 > /sys/devices/system/cpu/cpu222/online' (Expected 0, got 0)
:: [ 21:45:05 ] :: [ PASS ] :: cpu oneline status restore: expect==actual (Assert: '0' should equal '0')
:: [ 21:45:05 ] :: [ BEGIN ] :: Running 'echo 0 > /sys/devices/system/cpu/cpu223/online'
/usr/share/beakerlib/testing.sh: line 896: echo: write error: No space left on device
:: [ 21:45:05 ] :: [ FAIL ] :: Command 'echo 0 > /sys/devices/system/cpu/cpu223/online' (Expected 0, got 1)
:: [ 21:45:05 ] :: [ FAIL ] :: cpu oneline status restore: expect==actual (Assert: '0' should equal '1')
:: [ 21:45:06 ] :: [ LOG ] :: Start cpu online loop 1

1. Beaker job

• beaker_job: https://beaker.engineering.redhat.com/recipes/16184533#task177997017

1. Additional details

• meet on machine `hpe-dl380gen11-01.khw.eng.bos2.dc.redhat.com`
• occasionally appears
• the reason may be no enough cpu resource for the core to trans some workloads, then the core failes to offline
• the result is OK when on panic appears