Public bug reported:
Found on Focal linux-gcp 5.11.0-1019.21 on g1-small instance.
The tests are not able to mount on /dev/cpuctl which is causing cpu controller
testing, latency tests, and cpuctl_test_fj to fail, seems to be only on
g1-small instances.
This error has been observed in previous cycles and is not a new
regression.
20:09:23 DEBUG| [stdout] startup='Mon Sep 13 20:07:02 2021'
20:09:23 DEBUG| [stdout] TEST 1: CPU CONTROLLER TESTING
20:09:23 DEBUG| [stdout] RUNNING SETUP.....
20:09:23 DEBUG| [stdout] ERROR: Could not mount cgroup filesystem on
/dev/cpuctl..Exiting test
20:09:23 DEBUG| [stdout] Cleanup called
20:09:23 DEBUG| [stdout] cat: /dev/cpuctl/group_def/tasks: No such file or
directory
20:09:23 DEBUG| [stdout] TEST 3: CPU CONTROLLER TESTING
20:09:23 DEBUG| [stdout] RUNNING SETUP.....
20:09:23 DEBUG| [stdout] ERROR: Could not mount cgroup filesystem on
/dev/cpuctl..Exiting test
20:09:23 DEBUG| [stdout] Cleanup called
20:09:23 DEBUG| [stdout] cat: /dev/cpuctl/group_def/tasks: No such file or
directory
20:09:23 DEBUG| [stdout] TEST 4: CPU CONTROLLER TESTING
20:09:23 DEBUG| [stdout] RUNNING SETUP.....
20:09:23 DEBUG| [stdout] ERROR: Could not mount cgroup filesystem on
/dev/cpuctl..Exiting test
20:09:23 DEBUG| [stdout] Cleanup called
20:09:23 DEBUG| [stdout] cat: /dev/cpuctl/group_def/tasks: No such file or
directory
20:09:23 DEBUG| [stdout] TEST 5: CPU CONTROLLER TESTING
20:09:23 DEBUG| [stdout] RUNNING SETUP.....
20:09:23 DEBUG| [stdout] ERROR: Could not mount cgroup filesystem on
/dev/cpuctl..Exiting test
20:09:23 DEBUG| [stdout] Cleanup called
20:09:23 DEBUG| [stdout] cat: /dev/cpuctl/group_def/tasks: No such file or
directory
20:09:23 DEBUG| [stdout] /opt/ltp/testcases/bin/run_cpuctl_stress_test.sh: line
97: /opt/ltp/output/cpuctl_results_stress-678.txt: No such file or directory
20:09:23 DEBUG| [stdout] TEST 6: CPU CONTROLLER STRESS TESTING
20:09:23 DEBUG| [stdout] RUNNING SETUP.....
20:09:23 DEBUG| [stdout] ERROR: Could not mount cgroup filesystem on
/dev/cpuctl..Exiting test
20:09:23 DEBUG| [stdout] Cleanup called
20:09:23 DEBUG| [stdout] cat: /dev/cpuctl/group_def/tasks: No such file or
directory
20:09:23 DEBUG| [stdout] TEST 7: CPU CONTROLLER STRESS TESTING
20:09:23 DEBUG| [stdout] RUNNING SETUP.....
20:09:23 DEBUG| [stdout] ERROR: Could not mount cgroup filesystem on
/dev/cpuctl..Exiting test
20:09:23 DEBUG| [stdout] Cleanup called
20:09:23 DEBUG| [stdout] cat: /dev/cpuctl/group_def/tasks: No such file or
directory
20:09:23 DEBUG| [stdout] TEST 8: CPU CONTROLLER STRESS TESTING
20:09:23 DEBUG| [stdout] RUNNING SETUP.....
20:09:23 DEBUG| [stdout] ERROR: Could not mount cgroup filesystem on
/dev/cpuctl..Exiting test
20:09:23 DEBUG| [stdout] Cleanup called
20:09:23 DEBUG| [stdout] cat: /dev/cpuctl/group_def/tasks: No such file or
directory
20:09:23 DEBUG| [stdout] /opt/ltp/testcases/bin/run_cpuctl_stress_test.sh: line
120: /opt/ltp/output/cpuctl_results_stress-9.txt: No such file or directory
20:09:23 DEBUG| [stdout] TEST 9: CPU CONTROLLER STRESS TESTING
20:09:23 DEBUG| [stdout] RUNNING SETUP.....
20:09:23 DEBUG| [stdout] ERROR: Could not mount cgroup filesystem on
/dev/cpuctl..Exiting test
20:09:23 DEBUG| [stdout] Cleanup called
20:09:23 DEBUG| [stdout] cat: /dev/cpuctl/group_def/tasks: No such file or
directory
20:09:23 DEBUG| [stdout] /opt/ltp/testcases/bin/run_cpuctl_stress_test.sh: line
127: /opt/ltp/output/cpuctl_results_stress-10.txt: No such file or directory
20:09:23 DEBUG| [stdout] TEST 10: CPU CONTROLLER STRESS TESTING
20:09:23 DEBUG| [stdout] RUNNING SETUP.....
20:09:23 DEBUG| [stdout] ERROR: Could not mount cgroup filesystem on
/dev/cpuctl..Exiting test
20:09:23 DEBUG| [stdout] Cleanup called
20:09:23 DEBUG| [stdout] cat: /dev/cpuctl/group_def/tasks: No such file or
directory
20:09:23 DEBUG| [stdout] TINFO Running cpuctl Latency Test 1
20:09:23 DEBUG| [stdout] TINFO The latency check task started
20:09:23 DEBUG| [stdout] FAIL The Latency test 1 failed
20:09:23 DEBUG| [stdout] Max latency observed = 123838 in Iteration 0
20:09:23 DEBUG| [stdout] The results FAIL is just intuitive and not exact
failure. Please look at cpuctl_testplan.txt in the test directory.
20:09:23 DEBUG| [stdout] Task 763103 exited abnormally with return value: 1
20:09:23 DEBUG| [stdout] TBROK Test could'nt execute for expected duration
20:09:23 DEBUG| [stdout] Doing cleanup
20:09:23 DEBUG| [stdout] Cleanup done for latency test 1
20:09:23 DEBUG| [stdout]
20:09:23 DEBUG| [stdout] TINFO Running cpuctl Latency Test 2
20:09:23 DEBUG| [stdout] ERROR: Could not mount cgroup filesystem on
/dev/cpuctl..Exiting test
20:09:23 DEBUG| [stdout] Cleanup called
20:09:23 DEBUG| [stdout] cat: /dev/cpuctl/group_def/tasks: No such file or
directory
20:09:23 DEBUG| [stdout] Doing cleanup
20:09:23 DEBUG| [stdout] cat: '/dev/cpuctl/group*/tasks': No such file or
directory
20:09:23 DEBUG| [stdout] rmdir: failed to remove '/dev/cpuctl/group*': No such
file or directory
20:09:23 DEBUG| [stdout] umount: /dev/cpuctl: no mount point specified.
20:09:23 DEBUG| [stdout] rmdir: failed to remove '/dev/cpuctl': No such file or
directory
20:09:23 DEBUG| [stdout] Cleanup done for latency test 2
20:09:23 DEBUG| [stdout]
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case1
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case2
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case3
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case4
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case5
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case6
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case7
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case8
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case9
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case10
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case11
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case12
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case13
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case14
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case15
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case16
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case17
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case18
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case19
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case20
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case21
FAIL
20:09:23 DEBUG| [stdout] mount: /dev/cpuctl: cpuctl already mounted or mount
point busy.
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: failed
to mount cpu subsystem... Exiting
20:09:23 DEBUG| [stdout] cpuctl_test_fj 1 TFAIL : ltpapicmd.c:188: case22
FAIL
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Affects: linux-gcp (Ubuntu)
Importance: Undecided
Status: New
** Tags: focal hirsute sru-20210906 ubuntu-ltp
** Package changed: linux-kvm (Ubuntu) => linux-gcp (Ubuntu)
** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Tags added: focal hirsute sru-20210906 ubuntu-ltp
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https://bugs.launchpad.net/bugs/1943627
Title:
Controllers test in ubuntu_ltp fails to mount on /dev/cpuctl
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