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Bug #62123

open

mds: detect out-of-order locking

Added by Xiubo Li 9 months ago. Updated 10 days ago.

Status:
Fix Under Review
Priority:
High
Assignee:
Xiubo Li
Category:
Introspection/Control
Target version:
Ceph - v20.0.0
% Done:

0%

Source:
Development
Tags:
Backport:
squid,reef
Regression:
No
Severity:
2 - major
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
Pull request ID:
56805
Crash signature (v1):
Crash signature (v2):

Description

From Patrick's comments in https://github.com/ceph/ceph/pull/52522#discussion_r1269575242.

We need to make sure that the lock order should be the same in all the places, or we may hit deadlock bugs.

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 #1

Updated by Venky Shankar 9 months ago

  • Category set to Introspection/Control
  • Priority changed from Normal to High
  • Target version set to v19.0.0
  • Backport set to reef,quincy,pacific
  • Severity changed from 3 - minor to 2 - major
  • Component(FS) MDS added

Bumping priority since we have places where the MDS could deadlock due to out-of-order locking,

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 #2

Updated by Xiubo Li 19 days ago

  • Status changed from New to Fix Under Review
  • Pull request ID set to 56805
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 #3

Updated by Konstantin Shalygin 19 days ago

  • Backport changed from reef,quincy,pacific to squid reef quincy
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 #4

Updated by Xiubo Li 13 days ago

This may also caused MDS Behind on Trimming...: https://www.mail-archive.com/ceph-users@ceph.io/msg24587.html.

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 #5

Updated by Patrick Donnelly 10 days ago

  • Target version changed from v19.0.0 to v20.0.0
  • Source set to Development
  • Backport changed from squid reef quincy to squid,reef
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