Public bug reported:
I've seen this a few times during setup of the n-ovs-agent process on
network nodes (n-gateway) in juju deployments on OpenStack Newton B3+ on
Xenial:
2016-09-12 14:41:45.565 20629 WARNING stevedore.named
[req-3762dc49-86d7-406b-81fb-5b068416abf9 - - - - -] Could not load
neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
2016-09-12 14:41:56.447 20629 ERROR ryu.lib.hub
[req-5c9cbccf-7bcb-4c1f-a954-69202bfbcd56 - - - - -] hub: uncaught exception:
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/ryu/lib/hub.py", line 52, in _launch
func(*args, **kwargs)
File
"/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_ryuapp.py",
line 35, in agent_main_wrapper
ovs_agent.main(bridge_classes)
File
"/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py",
line 2175, in main
agent.daemon_loop()
File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 154, in
wrapper
return f(*args, **kwargs)
File
"/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py",
line 2094, in daemon_loop
self.ovsdb_monitor_respawn_interval) as pm:
File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__
return self.gen.next()
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/polling.py", line
35, in get_polling_manager
pm.start()
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/polling.py", line
57, in start
self._monitor.start(block=True)
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/ovsdb_monitor.py",
line 117, in start
while not self.is_active():
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/async_process.py",
line 100, in is_active
self.pid, self.cmd_without_namespace)
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/async_process.py",
line 159, in pid
run_as_root=self.run_as_root)
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py", line
234, in get_root_helper_child_pid
pid = find_child_pids(pid)[0]
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py", line
167, in find_child_pids
log_fail_as_error=False)
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py", line
118, in execute
_stdout, _stderr = obj.communicate(_process_input)
File "/usr/lib/python2.7/subprocess.py", line 800, in communicate
return self._communicate(input)
File "/usr/lib/python2.7/subprocess.py", line 1437, in _communicate
self.wait()
File "/usr/lib/python2.7/dist-packages/eventlet/green/subprocess.py", line
87, in wait
eventlet.sleep(check_interval)
File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 34, in
sleep
hub.switch()
File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 294, in
switch
return self.greenlet.switch()
Timeout: 5 seconds
Something is spinning - not sure what; the agent is non-responsive and
needs a restart to get things working.
** Affects: neutron (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1622715
Title:
neutron-openvswitch-agent - error on startup
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