[Users] vdsm can not call libvirt function

[bigclouds]

hi,
this vm is running, but calls failed.
 
---------------log-----------------------
 
Thread-52180::ERROR::2013-05-03 10:02:26,967::utils::412::vm.Vm::(collect) vmId=`900da72e-687f-4f53-b54a-f8da73ae8bbe`::Stats function failed: <AdvancedStatsFunction _s        ampleCpu at 0x259fbc8>
    694 Traceback (most recent call last):
    695   File "/usr/lib64/python2.6/site-packages/vdsm/utils.py", line 408, in collect
    696     statsFunction()
    697   File "/usr/lib64/python2.6/site-packages/vdsm/utils.py", line 283, in __call__
    698     retValue = self._function(*args, **kwargs)
    699   File "/usr/share/vdsm/libvirtvm.py", line 137, in _sampleCpu
    700     cpuStats = self._vm._dom.getCPUStats(True, 0)
    701   File "/usr/share/vdsm/libvirtvm.py", line 515, in f
    702     ret = attr(*args, **kwargs)
    703   File "/usr/lib64/python2.6/site-packages/vdsm/libvirtconnection.py", line 83, in wrapper
    704     ret = f(*args, **kwargs)
    705   File "/usr/lib64/python2.6/site-packages/libvirt.py", line 1715, in getCPUStats
    706     if ret is None: raise libvirtError ('virDomainGetCPUStats() failed', dom=self)
    707 libvirtError: Requested operation is not valid: domain is not running
    708 Thread-52180::ERROR::2013-05-03 10:02:26,978::utils::412::vm.Vm::(collect) vmId=`900da72e-687f-4f53-b54a-f8da73ae8bbe`::Stats function failed: <AdvancedStatsFunction _s        ampleDisk at 0x259fc38>
    709 Traceback (most recent call last):
    710   File "/usr/lib64/python2.6/site-packages/vdsm/utils.py", line 408, in collect
    711     statsFunction()
    712   File "/usr/lib64/python2.6/site-packages/vdsm/utils.py", line 283, in __call__
    713     retValue = self._function(*args, **kwargs)
    714   File "/usr/share/vdsm/libvirtvm.py", line 147, in _sampleDisk
    715     diskSamples[vmDrive.name] = self._vm._dom.blockStats(vmDrive.name)
    716   File "/usr/share/vdsm/libvirtvm.py", line 515, in f
    717     ret = attr(*args, **kwargs)
    718   File "/usr/lib64/python2.6/site-packages/vdsm/libvirtconnection.py", line 83, in wrapper
    719     ret = f(*args, **kwargs)
    720   File "/usr/lib64/python2.6/site-packages/libvirt.py", line 1686, in blockStats
    721     if ret is None: raise libvirtError ('virDomainBlockStats() failed', dom=self)
    722 libvirtError: Requested operation is not valid: domain is not running
    723 Thread-52180::ERROR::2013-05-03 10:02:26,999::utils::412::vm.Vm::(collect) vmId=`900da72e-687f-4f53-b54a-f8da73ae8bbe`::Stats function failed: <AdvancedStatsFunction _s        ampleDiskLatency at 0x2598e70>
    724 Traceback (most recent call last):
    689 Thread-52180::DEBUG::2013-05-03 10:02:26,947::task::568::TaskManager.Task::(_updateState) Task=`958a52ab-d9ca-4410-8611-c3dfeee3fcd4`::moving         from state preparing -> state finished
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