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Bug #43149

closed

kclient: umount will stuck for around 1 minutes sometimes

Added by Xiubo Li over 4 years ago. Updated about 4 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Category:
-
Target version:
-
% Done:

0%

Source:
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
kceph
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

While running some test, in one terminal run a script to do creating/deleting/listing large amount of directories with pressure and then do the umount/mount immediately, and in another terminal do the creating/deleting/listing with the same file names only.

I just hit one time the umount will stuck for around 1 minutes.

Actions #1

Updated by Xiubo Li over 4 years ago

  • Status changed from New to In Progress

During umount, if there the last request reply is only a safe one without unsafe, the umount won't have any chance to be wake up untile timedout after mount_timeout(60s).

Some requests without journal updating or with failure could have not unsafe reply.

Actions #2

Updated by Xiubo Li over 4 years ago

  • Status changed from In Progress to Fix Under Review
Actions #4

Updated by Xiubo Li about 4 years ago

  • Status changed from Fix Under Review to Resolved
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