[LU-4352] Failure on test suite sanity test_77i: umount failed

• Type: Bug
• Resolution: Cannot Reproduce
• Priority: Minor
• Affects Version/s: Lustre 2.6.0, Lustre 2.5.1, Lustre 2.8.0
• Environment: lustre-master # 1791 ldiskfs; client is running SLES11 SP3
• Severity: 3
• Assignee: WC Triage
• Reporter: Maloo

Description

This issue was created by maloo for sarah <[e-mail]>

This issue relates to the following test suite run: http://maloo.whamcloud.com/test_sets/0ac2cba4-5de4-11e3-8f3c-52540035b04c.

The sub-test test_77i failed with the following error:

umount failed

test log

== sanity test 77i: client not supporting OSD_CONNECT_CKSUM ========================================== 13:08:29 (1386191309)
fail_loc=0x40b
CMD: client-30vm2 grep -c /mnt/lustre' ' /proc/mounts
Stopping client client-30vm2 /mnt/lustre (opts:)
CMD: client-30vm2 lsof -t /mnt/lustre
CMD: client-30vm2 umount  /mnt/lustre 2>&1
/mnt/lustre is still busy, wait one second
CMD: client-30vm2 umount /mnt/lustre
umount: /mnt/lustre: device is busy.
        (In some cases useful info about processes that use
         the device is found by lsof(8) or fuser(1))
 sanity test_77i: @@@@@@ FAIL: umount failed 

Not sure if this is a dup of LU-4026