Bug #1938: mds: snaptest-2 doesn't pass with 3 MDS system - CephFS - Ceph

Bug #1938

mds: snaptest-2 doesn't pass with 3 MDS system

Added by Greg Farnum almost 12 years ago. Updated over 5 years ago.

Status:

Resolved

Priority:

High

Assignee:

Zheng Yan

Category:

Target version:

Ceph - v13.0.0

% Done:

Source:

Tags:

snapshots

Backport:

Regression:

Severity:

Reviewed:

Affected Versions:

ceph-qa-suite:

Component(FS):

Labels (FS):

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

run vstart, mount ceph-fuse, run snaptest-2; mds.a crashes:

mds/journal.cc: In function 'void LogSegment::try_to_expire(MDS*, C_GatherBuilder&)', in thread '7f718e0ea710'
mds/journal.cc: 145: FAILED assert(ls != this)
 ceph version 0.39-309-g9225617 (commit:9225617c4ea61d8769a60e8a9b989af753320ba0)
 1: (LogSegment::try_to_expire(MDS*, C_GatherBuilder&)+0x26f9) [0x4d6129]
 2: (MDLog::try_expire(LogSegment*)+0x4c) [0x6b08cc]
 3: (MDLog::trim(int)+0x66b) [0x6b1afb]
 4: (MDS::tick()+0x29a) [0x4a83da]
 5: (SafeTimer::timer_thread()+0x33b) [0x73daeb]
 6: (SafeTimerThread::entry()+0xd) [0x74049d]
 7: (()+0x68ba) [0x7f71934518ba]
 8: (clone()+0x6d) [0x7f7191cda02d]
 ceph version 0.39-309-g9225617 (commit:9225617c4ea61d8769a60e8a9b989af753320ba0)

Not urgent, discovered it while smoke-testing some xlist changes, but wanted to record.