[LU-9433] sanity-scrub test_6: Error in dmesg detected

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.10.0
• Affects Version/s: Lustre 2.10.0
• Environment: onyx-48, full, DNE/ldiskfs; EL7, master branch, v2.9.56.11, b3565
• Severity: 3
• Assignee: nasf (Inactive)
• Reporter: James Casper

Description

https://testing.hpdd.intel.com/test_sessions/cb12c60c-613a-44b3-bfef-03c0651d2607

Note: This was also seen in v2.8: LU-8279

This sanity-scrub subtest failure in test_6 was followed by the same failure in the next ~375 subtests (in sanity-scrub, sanity-benchmark, sanity-lfsck, sanityn, and sanity-hsm.

From test_log:

CMD: onyx-48vm1.onyx.hpdd.intel.com,onyx-48vm2,onyx-48vm3,onyx-48vm7,onyx-48vm8 dmesg
Kernel error detected: [11155.947772] VFS: Busy inodes after unmount of dm-1. Self-destruct in 5 seconds.  Have a nice day...
 sanity-scrub test_6: @@@@@@ FAIL: Error in dmesg detected 
  Trace dump:
  = /usr/lib64/lustre/tests/test-framework.sh:4931:error()
  = /usr/lib64/lustre/tests/test-framework.sh:5212:run_one()
  = /usr/lib64/lustre/tests/test-framework.sh:5246:run_one_logged()
  = /usr/lib64/lustre/tests/test-framework.sh:5093:run_test()
  = /usr/lib64/lustre/tests/sanity-scrub.sh:773:main()

Note: The "VFS: Busy inodes after unmount" message is also present in the MDS2/MDS4 console log.

Issue Links

• is related to: LU-8279 sanity-scrub test_4b: @@@@@@ FAIL: Error in dmesg detected
• is related to: LU-5729 VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...