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<div>Dear all,</div>
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<div>The problem i already sent a few mails about now came up while removing a snapshot from the GUI, the otput in the log files was exactly the same.</div>
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<div>In vdsm.log</div>
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<div><i>Thread-189739::DEBUG::2015-06-01 09:39:10,001::libvirtconnection::143::root::(wrapper) Unknown libvirterror: ecode: 68 edom: 10 level: 2 message: Timed out during operation: cannot acquire state change lock</i></div>
<div><i>Thread-189739::ERROR::2015-06-01 09:39:10,002::vm::5761::vm.Vm::(queryBlockJobs) vmId=`e640e9ef-1862-425a-8bdb-9cdfb0583f04`::Error getting block job info</i></div>
<div><i>Traceback (most recent call last):</i></div>
<div><i> File "/usr/share/vdsm/virt/vm.py", line 5759, in queryBlockJobs</i></div>
<div><i> liveInfo = self._dom.blockJobInfo(drive.name, 0)</i></div>
<div><i> File "/usr/share/vdsm/virt/vm.py", line 697, in f</i></div>
<div><i> raise toe</i></div>
<div><i>TimeoutError: Timed out during operation: cannot acquire state change lock</i></div>
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<div>——</div>
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<div>journalctl</div>
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<div>This </div>
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<div><i>un 01 09:33:30 mc-dc3ham-compute-03-live.mc.mcon.net libvirtd[1801]: Cannot start job (modify, none) for domain fab-cms-app-01-qa-fab-mcon-net; current job is (modify, none) owned by (1829, 0)</i></div>
<div><i>Jun 01 09:33:30 mc-dc3ham-compute-03-live.mc.mcon.net libvirtd[1801]: Timed out during operation: cannot acquire state change lock</i></div>
<div><i>Jun 01 09:33:30 mc-dc3ham-compute-03-live.mc.mcon.net vdsm[7003]: vdsm root ERROR Unhandled exception</i></div>
<div><i> Traceback (most recent call last):</i></div>
<div><i> File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 809, in wrapper</i></div>
<div><i> return f(*a, **kw)</i></div>
<div><i> File "/usr/share/vdsm/virt/vm.py", line 6107, in run</i></div>
<div><i> self.tryPivot()</i></div>
<div><i> File "/usr/share/vdsm/virt/vm.py", line 6092, in tryPivot</i></div>
<div><i> ret = self.vm._dom.blockJobAbort(self.drive.name, flags)</i></div>
<div><i> File "/usr/share/vdsm/virt/vm.py", line 697, in f</i></div>
<div><i> raise toe</i></div>
<div><i> TimeoutError: Timed out during operation: cannot acquire state change lock</i></div>
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<div>An this</div>
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<div><i>Jun 01 09:33:45 mc-dc3ham-compute-03-live.mc.mcon.net libvirtd[1801]: Cannot start job (modify, none) for domain fab-cms-app-01-qa-fab-mcon-net; current job is (modify, none) owned by (1829, 0)</i></div>
<div><i>Jun 01 09:33:45 mc-dc3ham-compute-03-live.mc.mcon.net libvirtd[1801]: Timed out during operation: cannot acquire state change lock</i></div>
<div><i>Jun 01 09:33:45 mc-dc3ham-compute-03-live.mc.mcon.net vdsm[7003]: vdsm vm.Vm ERROR vmId=`e640e9ef-1862-425a-8bdb-9cdfb0583f04`::Error getting block job info</i></div>
<div><i> Traceback (most recent call last):</i></div>
<div><i> File "/usr/share/vdsm/virt/vm.py", line 5759, in queryBlockJobs</i></div>
<div><i> liveInfo = self._dom.blockJobInfo(drive.name, 0)</i></div>
<div><i> File "/usr/share/vdsm/virt/vm.py", line 697, in f</i></div>
<div><i> raise toe</i></div>
<div><i> TimeoutError: Timed out during operation: cannot acquire state change lock</i></div>
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<div>—</div>
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<div>And again the only solution to get the virtual machine back was to set the hypervisor host into maintenance, which does not completely work because the VM will stay on the host for ovirt and then reboot the host, after the reboot the virtual machine will
be ok again (or restarted of configured to be highly acvailable)</div>
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<div>This is a huge problem, using a GUI command that causes the need to reboot a complete hypervisor really worries me.</div>
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<div>Regards</div>
<div>Soeren </div>
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