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Bug 1939874

Summary:	Unexpected libvirt crash on RHV-H 4.4.4
Product:	Red Hat Enterprise Linux Advanced Virtualization	Reporter:	Roman Hodain <rhodain>
Component:	libvirt	Assignee:	Virtualization Maintenance <virt-maint>
Status:	CLOSED DUPLICATE	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	8.3	CC:	joboyer, michal.skrivanek, pkrempa, virt-maint
Target Milestone:	rc	Flags:	pm-rhel: mirror+
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-03-17 14:26:42 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:
Bug Depends On:
Bug Blocks:	1985906

Description Roman Hodain 2021-03-17 09:15:21 UTC

Description of problem:
libvirt crashes:
Mar 13 15:09:25 rhv-h01.example.com kernel: vm-xxxxxxx[134222]: segfault at 7fd84413f0c0 ip 00007fd84413f0c0 sp 00007fd7b67fb878 error 15
Mar 13 15:09:25 rhv-h01.example.com kernel: Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1c 00 00 00 1d 00 04 00 1c 00 00 00 1d 00 00 00 <00> 00 00 00 00 00 00 00 21 00 00 00 00 00 00 
00 80 00 00 44 d8 7f
Mar 13 15:09:25 rhv-h01.example.com abrt-hook-ccpp[2698524]: Process 4437 (libvirtd) of user 0 killed by SIGSEGV - dumping core


Version-Release number of selected component (if applicable):
libvirt-daemon-6.6.0-7.3.module+el8.3.0+9547+7d548490

How reproducible:
Ones

Steps to Reproduce:
Unknown

Actual results:
libvirt crashes 

Expected results:
No crash

Comment 3 Peter Krempa 2021-03-17 10:06:18 UTC

The backtrace looks almost identical to https://bugzilla.redhat.com/show_bug.cgi?id=1931929

The crash happens while we are waiting for agent call so I suspect it's the same problem we had with glib handle unrefing in many other bugs.

Comment 4 Peter Krempa 2021-03-17 14:26:42 UTC


*** This bug has been marked as a duplicate of bug 1931331 ***