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Bug #23425

Kclient: failed to umount

Added by Shreekara Shastry almost 6 years ago. Updated almost 6 years ago.

Status:
Closed
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

I was trying to do mount on kernel client ,IOs and umount(automated script). While umounting, umount command: sudo umount mounting_dir -l and command was hung.
Output on machine:
Message from syslogd@localhost at Mar 20 02:05:56 ...
kernel:NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [umount:741]

OS:RHEL
Ceph version(Downstream): ceph version 12.2.4-4.el7cp (bfc2b497ab362f2b3afa7bd1f9d0053f74b60d66) luminous (stable)

History

#1 Updated by Vasu Kulkarni almost 6 years ago

  • Status changed from New to Closed

my fault, we will file a bz for this.

#2 Updated by Zheng Yan almost 6 years ago

this is purely kernel issue. which kernel did you use?

#3 Updated by Shreekara Shastry almost 6 years ago

Zheng Yan wrote:

this is purely kernel issue. which kernel did you use?

3.10.0-693.el7.x86_64

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