2014-01-10 16:34:54.617 29906 TRACE neutron.openstack.common.rpc.amqp   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1691, in _execute_context
2014-01-10 16:34:54.617 29906 TRACE neutron.openstack.common.rpc.amqp     context)
2014-01-10 16:34:54.617 29906 TRACE neutron.openstack.common.rpc.amqp   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line 331, in do_execute
2014-01-10 16:34:54.617 29906 TRACE neutron.openstack.common.rpc.amqp     cursor.execute(statement, parameters)
2014-01-10 16:34:54.617 29906 TRACE neutron.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 174, in execute
2014-01-10 16:34:54.617 29906 TRACE neutron.openstack.common.rpc.amqp     self.errorhandler(self, exc, value)
2014-01-10 16:34:54.617 29906 TRACE neutron.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler
2014-01-10 16:34:54.617 29906 TRACE neutron.openstack.common.rpc.amqp     raise errorclass, errorvalue
2014-01-10 16:34:54.617 29906 TRACE neutron.openstack.common.rpc.amqp OperationalError: (OperationalError) (1205, 'Lock wait timeout exceeded; try restarting transaction') 'UPDATE agents SET heartbeat_timestamp=%s WHERE agents.id = %s' (datetime.datetime(2014, 1, 10, 9, 34, 3, 413664), 'f336b97c-ead7-4d26-95da-160cd6866d6f')
2014-01-10 16:34:54.617 29906 TRACE neutron.openstack.common.rpc.amqp