Bug 1430214

Summary: unable to execute QEMU command 'query-iothreads'
Product: Red Hat Enterprise Linux 7 Reporter: yisun
Component: libvirtAssignee: Libvirt Maintainers <libvirt-maint>
Status: CLOSED DUPLICATE QA Contact: Virtualization Bugs <virt-bugs>
Severity: high Docs Contact:
Priority: high    
Version: 7.4CC: aliang, chayang, coli, juzhang, lcheng, michen, rbalakri, virt-maint, xuwei, yisun
Target Milestone: rcKeywords: Regression
Target Release: ---   
Hardware: x86_64   
OS: Linux   
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Last Closed: 2017-03-08 10:52:36 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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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 ***