yahoo-eng-team team mailing list archive

Thread
Date
[Bug 1602833] [NEW] Missing retry decorator on dhcp_ready_on_ports

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Henry Gessau <HenryG@xxxxxxxxxx>
Date: Wed, 13 Jul 2016 20:11:33 -0000
Reply-to: Bug 1602833 <1602833@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server [req-30a8fac4-91ee-45e1-a259-19410b3a86f1 - - - - -] Exception during message handling
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 133, in _process_incoming
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     res = self.dispatcher.dispatch(message)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 150, in dispatch
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     return self._do_dispatch(endpoint, method, ctxt, args)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 121, in _do_dispatch
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     result = func(ctxt, **new_args)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/neutron/api/rpc/handlers/dhcp_rpc.py", line 239, in dhcp_ready_on_ports
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     provisioning_blocks.DHCP_ENTITY)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/neutron/db/provisioning_blocks.py", line 141, in provisioning_complete
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     standard_attr_id):
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/neutron/db/provisioning_blocks.py", line 114, in remove_provisioning_component
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     return False
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 490, in __exit__
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self.rollback()
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/util/langhelpers.py", line 60, in __exit__
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     compat.reraise(exc_type, exc_value, exc_tb)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 487, in __exit__
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self.commit()
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 392, in commit
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self._prepare_impl()
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 372, in _prepare_impl
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self.session.flush()
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 2019, in flush
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self._flush(objects)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 2137, in _flush
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     transaction.rollback(_capture_exception=True)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/util/langhelpers.py", line 60, in __exit__
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     compat.reraise(exc_type, exc_value, exc_tb)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 2101, in _flush
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     flush_context.execute()
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/unitofwork.py", line 373, in execute
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     rec.execute(self)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/unitofwork.py", line 561, in execute
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     uow
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/persistence.py", line 249, in delete_obj
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     cached_connections, mapper, table, delete)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/persistence.py", line 892, in _emit_delete_statements
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     c = connection.execute(statement, del_objects)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 914, in execute
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     return meth(self, multiparams, params)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/sql/elements.py", line 323, in _execute_on_connection
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     return connection._execute_clauseelement(self, multiparams, params)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1010, in _execute_clauseelement
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     compiled_sql, distilled_params
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1146, in _execute_context
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     context)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1337, in _handle_dbapi_exception
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     util.raise_from_cause(newraise, exc_info)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/util/compat.py", line 202, in raise_from_cause
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     reraise(type(exception), exception, tb=exc_tb, cause=cause)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1139, in _execute_context
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     context)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/default.py", line 450, in do_execute
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     cursor.execute(statement, parameters)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/cursors.py", line 161, in execute
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     result = self._query(query)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/cursors.py", line 317, in _query
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     conn.query(q)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/connections.py", line 837, in query
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self._affected_rows = self._read_query_result(unbuffered=unbuffered)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/connections.py", line 1021, in _read_query_result
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     result.read()
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/connections.py", line 1304, in read
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     first_packet = self.connection._read_packet()
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/connections.py", line 983, in _read_packet
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     packet.check_error()
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/connections.py", line 395, in check_error
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     err.raise_mysql_exception(self._data)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/err.py", line 120, in raise_mysql_exception
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     _check_mysql_exception(errinfo)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/err.py", line 115, in _check_mysql_exception
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     raise InternalError(errno, errorvalue)
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server DBDeadlock: (pymysql.err.InternalError) (1213, u'Deadlock found when trying to get lock; try restarting transaction') [SQL: u'DELETE FROM provisioningblocks WHERE provisioningblocks.standard_attr_id = %(standard_attr_id)s AND provisioningblocks.entity = %(entity)s'] [parameters: {'standard_attr_id': 14843, 'entity': u'DHCP'}]
2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server

** Affects: neutron
     Importance: Undecided
     Assignee: Henry Gessau (gessau)
         Status: In Progress


** Tags: db l3-ipam-dhcp

** Tags added: db l3-ipam-dhcp

-- 
You received this bug notification because you are a member of Yahoo!
Engineering Team, which is subscribed to neutron.
https://bugs.launchpad.net/bugs/1602833

Title:
  Missing retry decorator on dhcp_ready_on_ports

Status in neutron:
  In Progress

Bug description:
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server [req-30a8fac4-91ee-45e1-a259-19410b3a86f1 - - - - -] Exception during message handling
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 133, in _process_incoming
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     res = self.dispatcher.dispatch(message)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 150, in dispatch
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     return self._do_dispatch(endpoint, method, ctxt, args)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 121, in _do_dispatch
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     result = func(ctxt, **new_args)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/neutron/api/rpc/handlers/dhcp_rpc.py", line 239, in dhcp_ready_on_ports
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     provisioning_blocks.DHCP_ENTITY)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/neutron/db/provisioning_blocks.py", line 141, in provisioning_complete
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     standard_attr_id):
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/neutron/db/provisioning_blocks.py", line 114, in remove_provisioning_component
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     return False
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 490, in __exit__
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self.rollback()
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/util/langhelpers.py", line 60, in __exit__
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     compat.reraise(exc_type, exc_value, exc_tb)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 487, in __exit__
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self.commit()
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 392, in commit
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self._prepare_impl()
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 372, in _prepare_impl
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self.session.flush()
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 2019, in flush
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self._flush(objects)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 2137, in _flush
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     transaction.rollback(_capture_exception=True)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/util/langhelpers.py", line 60, in __exit__
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     compat.reraise(exc_type, exc_value, exc_tb)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 2101, in _flush
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     flush_context.execute()
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/unitofwork.py", line 373, in execute
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     rec.execute(self)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/unitofwork.py", line 561, in execute
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     uow
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/persistence.py", line 249, in delete_obj
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     cached_connections, mapper, table, delete)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/orm/persistence.py", line 892, in _emit_delete_statements
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     c = connection.execute(statement, del_objects)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 914, in execute
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     return meth(self, multiparams, params)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/sql/elements.py", line 323, in _execute_on_connection
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     return connection._execute_clauseelement(self, multiparams, params)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1010, in _execute_clauseelement
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     compiled_sql, distilled_params
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1146, in _execute_context
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     context)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1337, in _handle_dbapi_exception
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     util.raise_from_cause(newraise, exc_info)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/util/compat.py", line 202, in raise_from_cause
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     reraise(type(exception), exception, tb=exc_tb, cause=cause)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1139, in _execute_context
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     context)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/sqlalchemy/engine/default.py", line 450, in do_execute
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     cursor.execute(statement, parameters)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/cursors.py", line 161, in execute
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     result = self._query(query)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/cursors.py", line 317, in _query
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     conn.query(q)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/connections.py", line 837, in query
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     self._affected_rows = self._read_query_result(unbuffered=unbuffered)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/connections.py", line 1021, in _read_query_result
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     result.read()
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/connections.py", line 1304, in read
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     first_packet = self.connection._read_packet()
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/connections.py", line 983, in _read_packet
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     packet.check_error()
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/connections.py", line 395, in check_error
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     err.raise_mysql_exception(self._data)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/err.py", line 120, in raise_mysql_exception
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     _check_mysql_exception(errinfo)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server   File "/opt/bbc/openstack-11.0-master/neutron/local/lib/python2.7/site-packages/pymysql/err.py", line 115, in _check_mysql_exception
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server     raise InternalError(errno, errorvalue)
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server DBDeadlock: (pymysql.err.InternalError) (1213, u'Deadlock found when trying to get lock; try restarting transaction') [SQL: u'DELETE FROM provisioningblocks WHERE provisioningblocks.standard_attr_id = %(standard_attr_id)s AND provisioningblocks.entity = %(entity)s'] [parameters: {'standard_attr_id': 14843, 'entity': u'DHCP'}]
  2016-07-12 17:03:45.124 55439 ERROR oslo_messaging.rpc.server

To manage notifications about this bug go to:
https://bugs.launchpad.net/neutron/+bug/1602833/+subscriptions
Follow ups

[Bug 1602833] Re: Missing retry decorator on dhcp_ready_on_ports
From: OpenStack Infra, 2016-07-13