Why does a VM fail to start in RHEV with libvirt's error "Unable to move tasks from domain cgroup in controller <n> for <vm_name>: No such process" ?
Issue
- A VM fails to start and
vdsm.logshows the following error message fromlibvirt:
Thread-535668::ERROR::2013-05-29 14:13:49,675::vm::680::vm.Vm::(_startUnderlyingVm) vmId=`0855ac56-5f83-4e11-b91c-7651303b4b81`
::The vm start process failed
Traceback (most recent call last):
File "/usr/share/vdsm/vm.py", line 642, in _startUnderlyingVm
self._run()
File "/usr/share/vdsm/libvirtvm.py", line 1474, in _run
self._connection.createXML(domxml, flags),
File "/usr/lib64/python2.6/site-packages/vdsm/libvirtconnection.py", line 83, in wrapper
ret = f(*args, **kwargs)
File "/usr/lib64/python2.6/site-packages/libvirt.py", line 2645, in createXML
if ret is None:raise libvirtError('virDomainCreateXML() failed', conn=self)
libvirtError: Unable to move tasks from domain cgroup to emulator cgroup in controller 1 for <vm_name>: No such process
Environment
- Red Hat Enterprise Virtualization 3.1.
- Red Hat Enterprise Linux
libvirt0.10.2-18.el6_4.5 or earlier.
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Close
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.