Comment 3 for bug 1290683

2014-03-19 19:26:02.356 21903 ERROR oslo.messaging._drivers.common [-] ['Traceback (most recent call last):\n', ' File "/opt/stack/new/oslo.messaging/oslo/messaging/rpc/dispatcher.py", line 133, in _dispatch_and_reply\n incoming.message))\n', ' File "/opt/stack/new/oslo.messaging/oslo/messaging/rpc/dispatcher.py", line 176, in _dispatch\n return self._do_dispatch(endpoint, method, ctxt, args)\n', ' File "/opt/stack/new/oslo.messaging/oslo/messaging/rpc/dispatcher.py", line 122, in _do_dispatch\n result = getattr(endpoint, method)(ctxt, **new_args)\n', ' File "/opt/stack/new/nova/nova/exception.py", line 88, in wrapped\n payload)\n', ' File "/opt/stack/new/nova/nova/openstack/common/excutils.py", line 68, in __exit__\n six.reraise(self.type_, self.value, self.tb)\n', ' File "/opt/stack/new/nova/nova/exception.py", line 71, in wrapped\n return f(self, context, *args, **kw)\n', ' File "/opt/stack/new/nova/nova/compute/manager.py", line 278, in decorated_function\n pass\n', ' File "/opt/stack/new/nova/nova/openstack/common/excutils.py", line 68, in __exit__\n six.reraise(self.type_, self.value, self.tb)\n', ' File "/opt/stack/new/nova/nova/compute/manager.py", line 264, in decorated_function\n return function(self, context, *args, **kwargs)\n', ' File "/opt/stack/new/nova/nova/compute/manager.py", line 306, in decorated_function\n e, sys.exc_info())\n', ' File "/opt/stack/new/nova/nova/openstack/common/excutils.py", line 68, in __exit__\n six.reraise(self.type_, self.value, self.tb)\n', ' File "/opt/stack/new/nova/nova/compute/manager.py", line 293, in decorated_function\n return function(self, context, *args, **kwargs)\n', ' File "/opt/stack/new/nova/nova/compute/manager.py", line 2689, in backup_instance\n task_states.IMAGE_BACKUP)\n', ' File "/opt/stack/new/nova/nova/compute/manager.py", line 2755, in _snapshot_instance\n update_task_state)\n', ' File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 1553, in snapshot\n new_dom = self._create_domain(domain=virt_dom)\n', ' File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 3512, in _create_domain\n domain.XMLDesc(0))\n', ' File "/opt/stack/new/nova/nova/openstack/common/excutils.py", line 68, in __exit__\n six.reraise(self.type_, self.value, self.tb)\n', ' File "/opt/stack/new/nova/nova/virt/libvirt/driver.py", line 3507, in _create_domain\n domain.createWithFlags(launch_flags)\n', ' File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 179, in doit\n result = proxy_call(self._autowrap, f, *args, **kwargs)\n', ' File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 139, in proxy_call\n rv = execute(f,*args,**kwargs)\n', ' File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 77, in tworker\n rv = meth(*args,**kwargs)\n', ' File "/usr/lib/python2.7/dist-packages/libvirt.py", line 581, in createWithFlags\n if ret == -1: raise libvirtError (\'virDomainCreateWithFlags() failed\', dom=self)\n', 'libvirtError: Timed out during operation: cannot acquire state change lock\n']

This may be a duplicate of bug 1254872