Bug 1628314

Summary:	MDS may crash when dumping ops in flight via asok command
Product:	[Red Hat Storage] Red Hat Ceph Storage	Reporter:	Patrick Donnelly <pdonnell>
Component:	CephFS	Assignee:	Yan, Zheng <zyan>
Status:	CLOSED ERRATA	QA Contact:	ceph-qe-bugs <ceph-qe-bugs>
Severity:	low	Docs Contact:
Priority:	low
Version:	3.0	CC:	ceph-eng-bugs, john.spray, rperiyas
Target Milestone:	z1
Target Release:	3.1
Hardware:	All
OS:	All
Whiteboard:
Fixed In Version:	RHEL: ceph-12.2.5-46.el7cp Ubuntu: ceph_12.2.5-31redhat1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-11-09 01:00:34 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Patrick Donnelly 2018-09-12 18:09:10 UTC

Description of problem:

MDS may crash when dumping ops in flight.

How reproducible:

Variable due to race conditions.

Steps to Reproduce:
1. Try running: `ceph daemon mds.<foo> dump ops` in parallel with workload testing.

Actual results:

Crash.

Expected results:

Ops dumped normally.

Additional info:

See: http://tracker.ceph.com/issues/26894

Comment 11 errata-xmlrpc 2018-11-09 01:00:34 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:3530