** Changed in: neutron
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1212401
Title:
neutron-dhcp-agent fails to start in TripleO environment "IOError:
[Errno 22] Invalid argument"
Status in OpenStack Neutron (virtual network service):
Fix Released
Bug description:
While running these steps:
https://github.com/openstack/tripleo-incubator/blob/master/devtest.md
In the 'overcloud-control' host, quantum-dhcp-agent is failing to
start. The backtrace is:
2013-08-14 18:36:30.074 18361 DEBUG neutron.openstack.common.rpc.amqp [-]
UNIQUE_ID is 743c6834c175462781ff7a0d8b0c6447. _add_unique_id
/opt/stack/venvs/neutron/local/lib/python2.7/site-packages/neutron/openstack/common/rpc/amqp.py:325
2013-08-14 18:36:30.082 18361 ERROR neutron.openstack.common.rpc.common [-]
AMQP server on 192.0.2.5:5672 is unreachable: [Errno 22] Invalid argument.
Trying again in 1 seconds.
2013-08-14 18:36:30.087 18361 ERROR neutron.openstack.common.rpc.common [-]
AMQP server on 192.0.2.5:5672 is unreachable: [Errno 22] Invalid argument.
Trying again in 1 seconds.
2013-08-14 18:36:30.087 18361 ERROR neutron.openstack.common.threadgroup [-]
[Errno 22] Invalid argument
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
Traceback (most recent call last):
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
File
"/opt/stack/venvs/neutron/local/lib/python2.7/site-packages/neutron/openstack/common/threadgroup.py",
line 117, in wait
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
x.wait()
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
File
"/opt/stack/venvs/neutron/local/lib/python2.7/site-packages/neutron/openstack/common/threadgroup.py",
line 49, in wait
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
return self.thread.wait()
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
File
"/opt/stack/venvs/neutron/local/lib/python2.7/site-packages/eventlet/greenthread.py",
line 168, in wait
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
return self._exit_event.wait()
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
File
"/opt/stack/venvs/neutron/local/lib/python2.7/site-packages/eventlet/event.py",
line 116, in wait
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
return hubs.get_hub().switch()
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
File
"/opt/stack/venvs/neutron/local/lib/python2.7/site-packages/eventlet/hubs/hub.py",
line 187, in switch
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
return self.greenlet.switch()
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
File
"/opt/stack/venvs/neutron/local/lib/python2.7/site-packages/eventlet/hubs/hub.py",
line 236, in run
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
self.wait(sleep_time)
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
File
"/opt/stack/venvs/neutron/local/lib/python2.7/site-packages/eventlet/hubs/poll.py",
line 84, in wait
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
presult = self.do_poll(seconds)
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
File
"/opt/stack/venvs/neutron/local/lib/python2.7/site-packages/eventlet/hubs/epolls.py",
line 61, in do_poll
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
return self.poll.poll(seconds)
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
IOError: [Errno 22] Invalid argument
2013-08-14 18:36:30.087 18361 TRACE neutron.openstack.common.threadgroup
A full error is at http://paste.openstack.org/show/44151/
This must be a race, because running under 'strace -f', which tends to
slow everything down, results in a working quantum-dhcp-agent. I will
attach straces of an unsuccessful (without -f) and successful (with
-f) strace run.
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