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[Eric Fried <efried@xxxxxxxxxx>]

Likely same root cause as https://bugs.launchpad.net/nova/+bug/1682195

This is more of a support request than a bug.  Please ask for help on
IRC in #openstack.

** This bug is no longer a duplicate of bug 1678493
   oslo_messaging.exceptions.MessagingTimeout

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

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https://bugs.launchpad.net/bugs/1682088

Title:
  <class 'oslo_messaging.exceptions.MessagingTimeout'>

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  I installed openstack Newton in Ubuntu 16.04.

  When I try to launch an instance I get an error Unexpected API Error.
  Please report this at http://bugs.launchpad.net/nova/ and attach the
  Nova API log if possible. <class
  'oslo_messaging.exceptions.MessagingTimeout'> (HTTP 500) (Request-ID:
  req-ff1f37e8-a875-4375-b036-de514a908e07)

  I checked the log files and I found errors 
  the /var/log/nova/nova-api.log  :

  2017-04-12 12:41:34.607 28635 ERROR nova.api.openstack.extensions     result = self._waiter.wait(msg_id, timeout)
  2017-04-12 12:41:34.607 28635 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 336, in wait
  2017-04-12 12:41:34.607 28635 ERROR nova.api.openstack.extensions     message = self.waiters.get(msg_id, timeout=timeout)
  2017-04-12 12:41:34.607 28635 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 238, in get
  2017-04-12 12:41:34.607 28635 ERROR nova.api.openstack.extensions     'to message ID %s' % msg_id)
  2017-04-12 12:41:34.607 28635 ERROR nova.api.openstack.extensions MessagingTimeout: Timed out waiting for a reply to message ID 8538246dba7348d3b52eb0fbd0a60a03
  2017-04-12 12:41:34.607 28635 ERROR nova.api.openstack.extensions 
  2017-04-12 12:41:34.609 28635 INFO nova.api.openstack.wsgi [req-ff1f37e8-a875-4375-b036-de514a908e07 1fdf459e4f694fde85818b178e1e9199 da7d418c8b414fc3b236800183794125 - default default] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <class 'oslo_messaging.exceptions.MessagingTimeout'>
  2017-04-12 12:41:34.610 28635 INFO nova.osapi_compute.wsgi.server [req-ff1f37e8-a875-4375-b036-de514a908e07 1fdf459e4f694fde85818b178e1e9199 da7d418c8b414fc3b236800183794125 - default default] 127.0.0.1 "POST /v2.1/da7d418c8b414fc3b236800183794125/servers HTTP/1.1" status: 500 len: 583 time: 60.7773261


  the /var/log/neutron/neutron-server.log :

  
  2017-04-12 12:43:10.527 27006 ERROR neutron.plugins.ml2.managers [req-2ee46e05-f015-4fe2-beca-7cbe3e01e48e - - - - -] Failed to bind port bfa09754-f961-4c81-8b52-256e2028f1e1 on host controller-HP-Z210-Workstation for vnic_type normal using segments [{'segmentation_id': 20, 'physical_network': None, 'id': u'3aa7bf2f-9223-4e94-801b-aee4b4975951', 'network_type': u'vxlan'}]
  2017-04-12 12:43:10.539 27006 WARNING neutron.plugins.ml2.drivers.mech_agent [req-b86fae66-1171-41c9-ba6a-ebdd24c656ed - - - - -] Refusing to bind port 115144de-8215-4e9c-b6d3-d44c40b9a191 to dead agent: {'binary': u'neutron-linuxbridge-agent', 'description': None, 'admin_state_up': True, 'heartbeat_timestamp': datetime.datetime(2017, 4, 11, 8, 5), 'availability_zone': None, 'alive': False, 'topic': u'N/A', 'host': u'controller-HP-Z210-Workstation', 'agent_type': u'Linux bridge agent', 'resource_versions': {u'SubPort': u'1.0', u'QosPolicy': u'1.3', u'Trunk': u'1.0'}, 'created_at': datetime.datetime(2017, 4, 7, 13, 55, 26), 'started_at': datetime.datetime(2017, 4, 10, 14, 26, 58), 'id': u'65694cc5-f8bf-473f-95d2-550438f52885', 'configurations': {u'tunneling_ip': u'192.168.3.202', u'devices': 3, u'interface_mappings': {u'provider': u'eno1'}, u'extensions': [], u'l2_population': True, u'tunnel_types': [u'vxlan'], u'bridge_mappings': {}}}
  2017-04-12 12:43:10.540 27006 ERROR neutron.plugins.ml2.managers [req-b86fae66-1171-41c9-ba6a-ebdd24c656ed - - - - -] Failed to bind port 115144de-8215-4e9c-b6d3-d44c40b9a191 on host controller-HP-Z210-Workstation for vnic_type normal using segments [{'segmentation_id': 65, 'physical_network': None, 'id': u'7cdbfc98-0f8e-4104-987b-3be70a8a36fa', 'network_type': u'vxlan'}]

  I didn't find a solution to this problem 
  Please help.

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