AttributeError: 'NoneType' object has no attribute 'security_groups_provider_updated'

[Gary Kotton]

During gating the following error occurred:

2013-09-29 13:01:21.283 818 ERROR neutron.openstack.common.rpc.amqp [-] Exception during message handling
2013-09-29 13:01:21.283 818 TRACE neutron.openstack.common.rpc.amqp Traceback (most recent call last):
2013-09-29 13:01:21.283 818 TRACE neutron.openstack.common.rpc.amqp File "/opt/stack/new/neutron/neutron/openstack/common/rpc/amqp.py", line 438, in _process_data
2013-09-29 13:01:21.283 818 TRACE neutron.openstack.common.rpc.amqp **args)
2013-09-29 13:01:21.283 818 TRACE neutron.openstack.common.rpc.amqp File "/opt/stack/new/neutron/neutron/openstack/common/rpc/dispatcher.py", line 172, in dispatch
2013-09-29 13:01:21.283 818 TRACE neutron.openstack.common.rpc.amqp result = getattr(proxyobj, method)(ctxt, **kwargs)
2013-09-29 13:01:21.283 818 TRACE neutron.openstack.common.rpc.amqp File "/opt/stack/new/neutron/neutron/agent/securitygroups_rpc.py", line 91, in security_groups_provider_updated
2013-09-29 13:01:21.283 818 TRACE neutron.openstack.common.rpc.amqp self.sg_agent.security_groups_provider_updated()
2013-09-29 13:01:21.283 818 TRACE neutron.openstack.common.rpc.amqp AttributeError: 'NoneType' object has no attribute 'security_groups_provider_updated'
2013-09-29 13:01:21.283 818 TRACE neutron.openstack.common.rpc.amqp

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/48849

[Akihiro Motoki (amotoki)]

When does it happen? During the initialization of OVS agent?

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/48849
Committed: http://github.com/openstack/neutron/commit/01debad5665bcae5c0f4745759ae744f85daa723
Submitter: Jenkins
Branch: master

commit 01debad5665bcae5c0f4745759ae744f85daa723
Author: Gary Kotton <email address hidden>
Date: Sun Sep 29 07:11:49 2013 -0700

    Ensure that security group agent is bound prior to accessing

    When the Neutron agents start and the security group agent callbacks
    are not registered there may be exceptions.

    Fixes bug: #1232758

    Change-Id: I4c1ff96b8acfcee4c84a73c9400040c96f8418a9