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Bug 1430214

Summary:	unable to execute QEMU command 'query-iothreads'
Product:	Red Hat Enterprise Linux 7	Reporter:	yisun
Component:	libvirt	Assignee:	Libvirt Maintainers <libvirt-maint>
Status:	CLOSED DUPLICATE	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	high	Docs Contact:
Priority:	high
Version:	7.4	CC:	aliang, chayang, coli, juzhang, lcheng, michen, rbalakri, virt-maint, xuwei, yisun
Target Milestone:	rc	Keywords:	Regression
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-03-08 10:52:36 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 yisun 2017-03-08 03:13:05 UTC

Description of problem:
When start a domain with latest qemu-kvm and libvirt, get an error: unable to execute QEMU command 'query-iothreads'

Version-Release number of selected component (if applicable):
libvirt-3.1.0-1.el7.x86_64
qemu-kvm-1.5.3-132.el7.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Define a vm
# virsh define test.xml
Domain test defined from test.xml
2. Start it via virsh cmd
# virsh start test
error: Failed to start domain test
error: internal error: unable to execute QEMU command 'query-iothreads': The command query-iothreads has not been found


Actual results:
cannot start vm, error happened as above

Expected results:
vm can start

Additional info:
This is not reproducible with latest qemu-kvm-rhev-2.8.0-5.el7

Comment 3 Pino Toscano 2017-03-08 10:52:36 UTC

That's a libvirt regression in 3.1.0, see bug 1430258.

*** This bug has been marked as a duplicate of bug 1430258 ***