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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1287945

Title:
  Instance doesn't have a task state

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  I am getting with the latest version of the trunk:

  Traceback (most recent call last):
    File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/poll.py", line 97, in wait
      readers.get(fileno, noop).cb(fileno)
    File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py", line 194, in main
      result = function(*args, **kwargs)
    File "/opt/stack/nova/nova/openstack/common/service.py", line 480, in run_service
      service.start()
    File "/opt/stack/nova/nova/service.py", line 180, in start
      self.manager.init_host()
    File "/opt/stack/nova/nova/compute/manager.py", line 824, in init_host
      self._init_instance(context, instance)
    File "/opt/stack/nova/nova/compute/manager.py", line 684, in _init_instance
      if instance.task_state == task_states.DELETING:
  AttributeError: 'dict' object has no attribute 'task_state'
  Removing descriptor: 6
  2014-03-04 13:59:14.304 ERROR nova.openstack.common.threadgroup [-] 'dict' object has no attribute 'task_state'
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup Traceback (most recent call last):
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/openstack/common/threadgroup.py", line 117, in wait
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup     x.wait()
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/openstack/common/threadgroup.py", line 49, in wait
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup     return self.thread.wait()
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup   File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py", line 168, in wait
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup     return self._exit_event.wait()
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup   File "/usr/local/lib/python2.7/dist-packages/eventlet/event.py", line 116, in wait
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup     return hubs.get_hub().switch()
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup   File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 187, in switch
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup     return self.greenlet.switch()
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup   File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py", line 194, in main
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup     result = function(*args, **kwargs)
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/openstack/common/service.py", line 480, in run_service
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup     service.start()
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/service.py", line 180, in start
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup     self.manager.init_host()
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/compute/manager.py", line 824, in init_host
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup     self._init_instance(context, instance)
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/compute/manager.py", line 684, in _init_instance
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup     if instance.task_state == task_states.DELETING:
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup AttributeError: 'dict' object has no attribute 'task_state'
  2014-03-04 13:59:14.304 TRACE nova.openstack.common.threadgroup

  I get this exception when creating a snapshot, put a breakpoint in the virt layer (in this case vmware_images/snapshot), stop nova-cpu, restart nova-cpu, delete the snapshot.
  nova-cpu crashes.

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