Bug 1652882

Summary: Data Center is being initialized, lvm segfault
Product: Red Hat Enterprise Linux 7 Reporter: oliver.albl
Component: lvm2Assignee: David Teigland <teigland>
lvm2 sub component: Default / Unclassified QA Contact: cluster-qe <cluster-qe>
Status: CLOSED INSUFFICIENT_DATA Docs Contact:
Severity: urgent    
Priority: urgent CC: agk, bugs, christian.grundmann, heinzm, jbrassow, msnitzer, mtessun, oliver.albl, prajnoha, zkabelac
Version: 7.5   
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
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Last Closed: 2020-09-17 19:21:41 UTC Type: Bug
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oVirt Team: Storage RHEL 7.3 requirements from Atomic Host:
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messages and vdsm log from SPM, engine.log none

Description oliver.albl 2018-11-23 11:42:33 UTC
Created attachment 1508260 [details]
messages and vdsm log from SPM, engine.log

Description of problem:
I run a cluster with about 15 hosts for automated testing purposes. We start to see "Data Center is being initialized" messages and disks in state "locked" or "illegal". /var/log/messages shows:

kernel: lvm[55452]: segfault at 18 ip 00007f082e700905 sp 00007ffdff4ae080 error 4 in libc-2.17.so[7f082e67e000+1c3000]

Version-Release number of selected component (if applicable):
Linux 3.10.0-862.14.4.el7.x86_64 
vdsm-4.20.43-1.el7.x86_64
lvm2-2.02.177-4.el7.x86_64
oVirt 4.2.7.4-1.el7

How reproducible:
Generate load on hosts by automatically creating vms, running vm workloads, deleting vms

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Additional info:

Comment 2 Jonathan Earl Brassow 2019-08-07 21:18:20 UTC
Do you have the core file?  That might help us get to the bottom a bit quicker.