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Bug #56532

client stalls during vstart_runner test

Added by Milind Changire over 1 year ago. Updated 10 months ago.

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

0%

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

Description

client logs show following message:

failed to remount (to trim kernel dentries): return code = 32

Although, this behavior is seen with my PR: https://github.com/ceph/ceph/pull/44359, this needs to be confirmed whether the new test load (qa/tasks/cephfs/test_uninlining.py) causes the same behavior without the mds side changes i.e. does this behavior manifest on main branch as well

This behavior is seen with fuse-client.


Related issues

Copied to CephFS - Backport #58602: quincy: client stalls during vstart_runner test Resolved
Copied to CephFS - Backport #58603: pacific: client stalls during vstart_runner test Resolved

History

#1 Updated by Xiubo Li over 1 year ago

From Milind's reproducing logs, there has two different error code, which are 1 and 32:

$ grep 'to trim kernel dentries' client.* -rn
client.0.774355.log:98:2022-07-14T14:24:03.984+0530 7fbbd5ffb640 -1 client.4495 failed to remount (to trim kernel dentries): return code = 1
client.0.792060.log:137:2022-07-14T14:34:49.030+0530 7f46017fa640 -1 client.10512 failed to remount (to trim kernel dentries): return code = 32
client.0.793575.log:137:2022-07-14T14:35:32.033+0530 7f779aff5640 -1 client.10990 failed to remount (to trim kernel dentries): return code = 32
client.0.795072.log:137:2022-07-14T14:36:15.771+0530 7f899e7fc640 -1 client.11499 failed to remount (to trim kernel dentries): return code = 32
client.1.774461.log:98:2022-07-14T14:24:05.570+0530 7f766bfff640 -1 client.4505 failed to remount (to trim kernel dentries): return code = 1

When mounting the ceph-fuse it will create a test dentry thread, which will do the remount test in parallel.

#2 Updated by Xiubo Li over 1 year ago

  • Status changed from New to Fix Under Review
  • Assignee set to Xiubo Li
  • Pull request ID set to 47114

#3 Updated by Rishabh Dave about 1 year ago

  • Status changed from Fix Under Review to Resolved

#4 Updated by Xiubo Li about 1 year ago

  • Backport set to quincy,pacific

#5 Updated by Xiubo Li about 1 year ago

  • Status changed from Resolved to Pending Backport

#6 Updated by Backport Bot about 1 year ago

  • Copied to Backport #58602: quincy: client stalls during vstart_runner test added

#7 Updated by Backport Bot about 1 year ago

  • Copied to Backport #58603: pacific: client stalls during vstart_runner test added

#8 Updated by Backport Bot about 1 year ago

  • Tags set to backport_processed

#9 Updated by Xiubo Li 10 months ago

  • Status changed from Pending Backport to Resolved

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