Bug 869222

Summary: [Libvirt] - libvirt in deadlock while trying to destroy qemu process while it can't communicate with its monitor socket
Product: Red Hat Enterprise Linux 6 Reporter: David Botzer <dbotzer>
Component: libvirtAssignee: Libvirt Maintainers <libvirt-maint>
Status: CLOSED DUPLICATE QA Contact: Virtualization Bugs <virt-bugs>
Severity: high Docs Contact:
Priority: high    
Version: 6.3CC: acathrow, bazulay, dyasny, hateya, iheim, pstehlik, ykaul
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-10-23 10:36:34 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:
Attachments:
Description Flags
VDS-logs
none
qemu-cmd
none
libvirt-debug
none
engine-logs-just-in-case none

Description David Botzer 2012-10-23 10:22:40 UTC
Created attachment 632013 [details]
VDS-logs

Description of problem:
libvirt in deadlock while trying to destroy qemu process while it can't communicate with its monitor socket

Version-Release number of selected component (if applicable):
3.1/si21
====
libvirt-lock-sanlock-0.9.10-21.el6_3.5.x86_64
libvirt-debuginfo-0.9.10-21.el6_3.5.x86_64
libvirt-python-0.9.10-21.el6_3.5.x86_64
libvirt-0.9.10-21.el6_3.5.x86_64
libvirt-client-0.9.10-21.el6_3.5.x86_64
====
vdsm-python-4.9.6-38.0.el6_3.x86_64
vdsm-4.9.6-38.0.el6_3.x86_64
vdsm-cli-4.9.6-38.0.el6_3.noarch
----

How reproducible:
always

Steps to Reproduce:
1.Installed rhevm+dwh+reports
2.Created setup - DC, Host, Storage(iscsi), vms
3.Changed engine & vds date to 31/12/12
  
Actual results:
All VMs show "Not Responding"
Host CPU jumps to 99%
libvirt in deadlock while trying to destroy qemu process while it can't communicate with its monitor socket

Expected results:
Should recover

Additional info:
logs

Comment 2 David Botzer 2012-10-23 10:24:02 UTC
Created attachment 632014 [details]
qemu-cmd

Comment 3 David Botzer 2012-10-23 10:24:27 UTC
Created attachment 632015 [details]
libvirt-debug

Comment 4 David Botzer 2012-10-23 10:24:56 UTC
Created attachment 632016 [details]
engine-logs-just-in-case

Comment 5 Haim 2012-10-23 10:36:34 UTC

*** This bug has been marked as a duplicate of bug 859712 ***