[ovirt-users] VM crashes during snapshot/clone/export and show only "?"

Soeren Malchow soeren.malchow at mcon.net
Mon May 25 16:27:23 EDT 2015


Dear all,

In version 3.5.2 on CentOS 7.1 we now have the problem that the backup script seems to trigger a crash of Vms, this is the second time, the first time i could only solve the problem by rebooting the hypervisor host and acknowleding “host has been rebooted”

This problems happens while removing snapshots after snapshot –> clone -> export procedures.

The actual qemu process is still running after following log output, but the VM is not responsive anymore, i can kill the process problem.

Two questions for this:

How can I avoid this problem ?
Is there a way to tell ovirt that the qemu process is gone and that the VM can be started again ?

<— snip —>
May 25 22:03:47 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metadata not found: Requested metadata element is not present
May 25 22:03:47 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metadata not found: Requested metadata element is not present
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: internal error: End of file from monitor
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: IDMZ_MC_PUBLIC: port 3(vnet3) entered disabled state
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: device vnet3 left promiscuous mode
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: IDMZ_MC_PUBLIC: port 3(vnet3) entered disabled state
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kvm[22973]: 15 guests now active
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net systemd-machined[14412]: Machine qemu-mc-glpi-app-01-live.mc.mcon.net terminated.
May 25 22:04:11 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Cannot start job (modify, none) for domain mc-glpi-app-01-live.mc.mcon.net; current job is (modify, none) own
ed by (1534, 0)
May 25 22:04:11 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Timed out during operation: cannot acquire state change lock
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Cannot start job (modify, none) for domain mc-glpi-app-01-live.mc.mcon.net; current job is (modify, none) own
ed by (1534, 0)
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Timed out during operation: cannot acquire state change lock
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metadata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.Vm ERROR vmId=`598bdf61-2f2c-4569-9513-93043890f676`::Error getting block job info
                                                                  Traceback (most recent call last):
                                                                    File "/usr/share/vdsm/virt/vm.py", line 5759, in queryBlockJobs
                                                                      liveInfo = self._dom.blockJobInfo(drive.name, 0)
                                                                    File "/usr/share/vdsm/virt/vm.py", line 697, in f
                                                                      raise toe
                                                                  TimeoutError: Timed out during operation: cannot acquire state change lock
<— snip —>


<— snip —>
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.Vm ERROR vmId=`598bdf61-2f2c-4569-9513-93043890f676`::Stats function failed: <AdvancedStatsFunction _samp
                                                                  Traceback (most recent call last):
                                                                    File "/usr/share/vdsm/virt/sampling.py", line 484, in collect
                                                                      statsFunction()
                                                                    File "/usr/share/vdsm/virt/sampling.py", line 359, in __call__
                                                                      retValue = self._function(*args, **kwargs)
                                                                    File "/usr/share/vdsm/virt/vm.py", line 346, in _sampleVmJobs
                                                                      return self._vm.queryBlockJobs()
                                                                    File "/usr/share/vdsm/virt/vm.py", line 5759, in queryBlockJobs
                                                                      liveInfo = self._dom.blockJobInfo(drive.name, 0)
                                                                  AttributeError: 'NoneType' object has no attribute 'blockJobInfo'
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metadata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metadata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metadata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.Vm ERROR vmId=`598bdf61-2f2c-4569-9513-93043890f676`::Stats function failed: <AdvancedStatsFunction _samp
                                                                  Traceback (most recent call last):
                                                                    File "/usr/share/vdsm/virt/sampling.py", line 484, in collect
                                                                      statsFunction()
                                                                    File "/usr/share/vdsm/virt/sampling.py", line 359, in __call__
                                                                      retValue = self._function(*args, **kwargs)
                                                                    File "/usr/share/vdsm/virt/vm.py", line 338, in _sampleVcpuPinning
                                                                      vCpuInfos = self._vm._dom.vcpus()
                                                                  AttributeError: 'NoneType' object has no attribute 'vcpus'
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.Vm ERROR vmId=`598bdf61-2f2c-4569-9513-93043890f676`::Stats function failed: <AdvancedStatsFunction _samp
                                                                  Traceback (most recent call last):
                                                                    File "/usr/share/vdsm/virt/sampling.py", line 484, in collect
                                                                      statsFunction()
                                                                    File "/usr/share/vdsm/virt/sampling.py", line 359, in __call__
                                                                      retValue = self._function(*args, **kwargs)
                                                                    File "/usr/share/vdsm/virt/vm.py", line 349, in _sampleCpuTune
                                                                      infos = self._vm._dom.schedulerParameters()
                                                                  AttributeError: 'NoneType' object has no attribute ‘schedulerParameters'

<— snip —>
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