** Also affects: neutron/havana
Importance: Undecided
Status: New
** Changed in: neutron/havana
Status: New => Fix Committed
** Changed in: neutron/havana
Milestone: None => 2013.2.4
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https://bugs.launchpad.net/bugs/1288379
Title:
db Deadlock detected when running 'delete_port
Status in OpenStack Neutron (virtual network service):
Fix Released
Status in neutron havana series:
Fix Committed
Bug description:
I'm seeing Deadlocks when deleting large numbers of VMs in a multinode
system.
The port delete fails, and then ports are left behind after the VMs are
deleted.
VMs cannot be created as the IP are not released.
The ports have to be manually deleted.
2014-02-24 15:18:12.606 1819 ERROR neutron.api.v2.resource [-] delete failed
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource Traceback (most
recent call last):
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource File
"/usr/lib/python2.7/dist-packages/neutron/api/v2/resource.py", line 84, in
resource
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource result =
method(request=request, **args)
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource File
"/usr/lib/python2.7/dist-packages/neutron/api/v2/base.py", line 432, in delete
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource
obj_deleter(request.context, id, **kwargs)
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource File
"/usr/lib/python2.7/dist-packages/neutron/plugins/openvswitch/ovs_neutron_plugin.py",
line 634, in delete_port
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource
super(OVSNeutronPluginV2, self).delete_port(context, id)
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource File
"/usr/lib/python2.7/dist-packages/neutron/db/db_base_plugin_v2.py", line 1403,
in delete_port
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource
self._delete_port(context, id)
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource File
"/usr/lib/python2.7/dist-packages/neutron/db/db_base_plugin_v2.py", line 1425,
in _delete_port
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource
a['ip_address'])
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource File
"/usr/lib/python2.7/dist-packages/neutron/db/db_base_plugin_v2.py", line 415,
in _recycle_ip
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource ip_address)
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource File
"/usr/lib/python2.7/dist-packages/neutron/db/db_base_plugin_v2.py", line 449,
in _delete_ip_allocation
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource
subnet_id=subnet_id).delete()
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource File
"/usr/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 2581, in delete
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource
delete_op.exec_()
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource File
"/usr/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 816, in
exec_
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource self._do_exec()
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource File
"/usr/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 942, in
_do_exec
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource
params=self.query._params)
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource File
"/usr/lib/python2.7/dist-packages/neutron/openstack/common/db/sqlalchemy/session.py",
line 531, in _wrap
2014-02-24 15:18:12.606 1819 TRACE neutron.api.v2.resource
_raise_if_deadlock_error(e, get_engine().name)
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