[LU-15566] sanity test 160h fails with 'mds1: User cl9 not registered'

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Affects Version/s: Lustre 2.15.0
• Labels: failing_tests
• Severity: 3
• Assignee: WC Triage
• Reporter: James Nunez (Inactive)

Description

sanity test_160h started failing on January 21, 2022 for Lustre 2.14.56.105, logs at https://testing.whamcloud.com/test_sets/b3a01514-6b50-489f-8b4f-c79da0edd637 , with the following in the suite_log

Started lustre-MDT0000
CMD: trevis-71vm9 /usr/sbin/lctl get_param -n mdd.lustre-MDT0000.changelog_users
 sanity test_160h: @@@@@@ FAIL: mds1: User cl9 not registered 
  Trace dump:
  = /usr/lib64/lustre/tests/test-framework.sh:6389:error()
  = /usr/lib64/lustre/tests/sanity.sh:16359:test_160h()

Another failure is at https://testing.whamcloud.com/test_sets/0f5520f4-e4db-4a8a-9500-d77ee32b6f61

We have seen this test fail during patch testing prior to the test failures listed above, starting with:
December 7, 2021 - Lustre 2.1.455.171 - https://testing.whamcloud.com/test_sets/885dc3d2-bd6e-4199-8102-2c99ec8f9179

We see the same error for sanity test_160f:
https://testing.whamcloud.com/test_sets/3c6b5a99-ddd3-4264-bcde-50255e477416