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<p class="MsoNormal"><span style="color:#0070C0">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">I manually deployed OpenStack with one controller and several computes, which is working well for months. Recently I get one issue after server power off and on again due to high temperate warning.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">Issue it neutron-linuxbridge-agent service on compute nodes failed to get messages from rabbitmq on controller nodes. The error log is like follows:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent [-] Failed reporting state!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent Traceback (most recent call last):<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/agent/_common_agent.py", line 130, in _report_state<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent True)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/agent/rpc.py", line 88, in report_state<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent return method(context, 'report_state', **kwargs)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/client.py", line 169, in call<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent retry=self.retry)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/oslo_messaging/transport.py", line 97, in _send<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent timeout=timeout, retry=retry)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 464, in send<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent retry=retry)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 453, in _send<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent result = self._waiter.wait(msg_id, timeout)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 336, in wait<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent message = self.waiters.get(msg_id, timeout=timeout)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 238, in get<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent 'to message ID %s' % msg_id)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">2017-08-01 11:13:45.435 44071 ERROR neutron.plugins.ml2.drivers.agent._common_agent MessagingTimeout: Timed out waiting for a reply to message ID 6c54bbf0b01d49eaa8babfdd5f9ba80<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">This is what I configured in /etc/neutron/neutron.conf for rabbitmq connection.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="font-family:Symbol;color:#0070C0"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#0070C0">transport_url = rabbit://openstack:<password>@controller<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">And from controller I see the user is valid:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="color:#0070C0">root@controller:~# rabbitmqctl list_users<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="color:#0070C0">Listing users ...<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="color:#0070C0">guest [administrator]<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="color:#0070C0">openstack [administrator]<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="color:#0070C0">root@controller:~# rabbitmqctl list_user_permissions openstack<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="color:#0070C0">Listing permissions for user "openstack" ...<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.0in"><span style="color:#0070C0">/ .* .* .*<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">And from rabbitmq management GUI, I see there are connections established between controller and compute. What could cause this problem then? And how can I get further? Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">Best Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0">Xu Rongjie (Max)<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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