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[Bug 1243742] Re: fail to start vnc during instance create snapshot

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Sean Dague <sean@xxxxxxxxx>
Date: Tue, 09 Sep 2014 15:37:58 -0000
Reply-to: Bug 1243742 <1243742@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Super old bug, marking as invalid

** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1243742

Title:
  fail to start vnc during instance create snapshot

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  if we try to log into instance console during create snapshot of instance we fail. 
  nova compute log shows: 

  2013-10-23 13:46:18.681 3943 DEBUG qpid.messaging.io.ops [-] SENT[4464950]: SessionCompleted(commands=[0-41597]) write_op /usr/lib/python2.6/site-packages/qpid/messaging/driver.py:686
  2013-10-23 13:46:18.687 3943 ERROR nova.openstack.common.rpc.amqp [req-696761cc-53ad-4530-a053-84588eedca6e a660044c9b074450aaa45fba0d641fcc e27aae2598b94dca88cd0408406e0848] Exception during message handling
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last):
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 461, in _process_data
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     **args)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py", line 172, in dispatch
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     result = getattr(proxyobj, method)(ctxt, **kwargs)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 353, in decorated_function
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/exception.py", line 90, in wrapped
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     payload)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/exception.py", line 73, in wrapped
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     return f(self, context, *args, **kw)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 243, in decorated_function
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     pass
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 229, in decorated_function
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 271, in decorated_function
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     e, sys.exc_info())
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 258, in decorated_function
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 319, in decorated_function
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     % image_id, instance=instance)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 309, in decorated_function
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     *args, **kwargs)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 2293, in snapshot_instance
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     task_states.IMAGE_SNAPSHOT)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 2324, in _snapshot_instance
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     update_task_state)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 1423, in snapshot
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     expected_state=task_states.IMAGE_PENDING_UPLOAD)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 2321, in update_task_state
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     instance.save(expected_task_state=expected_state)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/objects/base.py", line 139, in wrapper
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     ctxt, self, fn.__name__, args, kwargs)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/conductor/rpcapi.py", line 497, in object_action
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     objmethod=objmethod, args=args, kwargs=kwargs)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/rpcclient.py", line 85, in call
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     return self._invoke(self.proxy.call, ctxt, method, **kwargs)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/rpcclient.py", line 63, in _invoke
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     return cast_or_call(ctxt, msg, **self.kwargs)
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/proxy.py", line 130, in call
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp     exc.info, real_topic, msg.get('method'))
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp Timeout: Timeout while waiting on RPC response - topic: "conductor", RPC method: "object_action" info: "<unknown>"
  2013-10-23 13:46:18.687 3943 TRACE nova.openstack.common.rpc.amqp 
  2013-10-23 13:46:18.691 3943 DEBUG qpid.messaging.io.raw [-] SENT[4464950]: '\x0f\x01\x00\x19\x00\x01\x00\x00\x00\x00\x00\x00\x04\n\x01\x00\x07\x00\x010\x00\x00\x00\x00\x01\x0f\x00\x00\x1a\x00\x00\x00\x00\x00\x00\x00\x00\x02\n\x01\x00\x0
  0\x08\x00\x00\x00\x00\x00\x00\xa2}' writeable /usr/lib/python2.6/site-packages/qpid/messaging/driver.py:480

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