> I upgraded release OpenStack from Kilo to Mitaka. >But now I can't start any Instance. At the compute node nova daemons said: > 2016-04-20 12:40:15.395 226509 ERROR oslo_messaging.rpc.dispatcher > [req-86e4ab2e-229a-438d-87d2-d9ce9f749dbc 79401c3a746740ef826762ca9eaeb207 > 3029462986ac400ca2c2c6ac4c9af5a7 - - -] Exception during message handling: > Timed out waiting for a reply to message ID cb754491dfb14d8793ca6ee05ae420c9
This indicates something is not responding to a RPC call (via rabbitmq) > snip > 2016-04-20 12:40:15.395 226509 ERROR oslo_messaging.rpc.dispatcher File > "/usr/lib/python2.7/dist-packages/nova/network/api.py", line 385, in > _get_instance_nw_info > 2016-04-20 12:40:15.395 226509 ERROR oslo_messaging.rpc.dispatcher nw_info = > self.network_rpcapi.get_instance_nw_info(context, **args) > 2016-04-20 12:40:15.395 226509 ERROR oslo_messaging.rpc.dispatcher File > "/usr/lib/python2.7/dist-packages/nova/network/rpcapi.py", line 209, in > get_instance_nw_info This suggests it has something to do with nova doing a call to Neutron. Have you checked if Neutron is working properly and can connect to the neutron-agent? Cheers, Robert van Leeuwen
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