Hi dear!
Today I came across a problem, the following is a log and software versions.
soft version:
os:centos 6.5
libvirt:0.10.29
qemu:0.12.415
2015-05-28 03:28:58.001+0000: 20919: error : qemuDomainObjBeginJobInternal:843 : Timed out during operation: cannot acquire state change lock
2015-05-28 03:30:37.000+0000: 20918: warning : qemuDomainObjBeginJobInternal:839 : Cannot start job (query, none) for domain i-2-437-VM; current job is (query, none) owned by (20917, 0)
2015-05-28 03:30:37.000+0000: 20918: error : qemuDomainObjBeginJobInternal:843 : Timed out during operation: cannot acquire state change lock
2015-05-28 03:31:01.000+0000: 20919: warning : qemuDomainObjBeginJobInternal:839 : Cannot start job (query, none) for domain i-2-437-VM; current job is (query, none) owned by (20917, 0)
2015-05-28 03:31:01.000+0000: 20919: error : qemuDomainObjBeginJobInternal:843 : Timed out during operation: cannot acquire state change lock
2015-05-28 03:32:40.000+0000: 20921: warning : qemuDomainObjBeginJobInternal:839 : Cannot start job (query, none) for domain i-2-437-VM; current job is (query, none) owned by (20917, 0)
2015-05-28 03:32:40.000+0000: 20921: error : qemuDomainObjBeginJobInternal:843 : Timed out during operation: cannot acquire state change lock
2015-05-28 03:33:06.000+0000: 20918: warning : qemuDomainObjBeginJobInternal:839 : Cannot start job (query, none) for domain i-2-437-VM; current job is (query, none) owned by (20917, 0)
2015-05-28 03:33:06.000+0000: 20918: error : qemuDomainObjBeginJobInternal:843 : Timed out during operation: cannot acquire state change lock
2015-05-28 03:33:42.009+0000: 20916: error : virNetSocketReadWire:1194 : End of file while reading data: Input/output error
2015-05-28 03:34:02.000+0000: 20921: warning : qemuDomainObjBeginJobInternal:839 : Cannot start job (query, none) for domain i-2-437-VM; current job is (query, none) owned by (20917, 0)
2015-05-28 03:34:02.000+0000: 20921: error : qemuDomainObjBeginJobInternal:843 : Timed out during operation: cannot acquire state change lock
2015-05-28 03:34:19.001+0000: 20920: warning : qemuDomainObjBeginJobInternal:839 : Cannot start job (query, none) for domain i-2-437-VM; current job is (query, none) owned by (20917, 0)
2015-05-28 03:34:19.001+0000: 20920: error : qemuDomainObjBeginJobInternal:843 : Timed out during operation: cannot acquire state change lock
2015-05-28 03:34:43.384+0000: 20916: error : virNetSocketReadWire:1194 : End of file while reading data: Input/output error
2015-05-28 03:34:47.000+0000: 20918: warning : qemuDomainObjBeginJobInternal:839 : Cannot start job (query, none) for domain i-2-437-VM; current job is (query, none) owned by (20917, 0)
2015-05-28 03:34:47.000+0000: 20918: error : qemuDomainObjBeginJobInternal:843 : Timed out during operation: cannot acquire state change lock
2015-05-28 03:34:52.000+0000: 20920: warning : qemuDomainObjBeginJobInternal:839 : Cannot start job (query, none) for domain i-2-437-VM; current job is (query, none) owned by (20917, 0)
2015-05-28 03:34:52.000+0000: 20920: error : qemuDomainObjBeginJobInternal:843 : Timed out during operation: cannot acquire state change lock
2015-05-28 03:35:09.001+0000: 20921: warning : qemuDomainObjBeginJobInternal:839 : Cannot start job (query, none) for domain i-2-437-VM; current job is (query, none) owned by (20917, 0)
2015-05-28 03:35:09.001+0000: 20921: error : qemuDomainObjBeginJobInternal:843 : Timed out during operation: cannot acquire state change lock
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