Open Stack

Run the service list:
[root at openstack-11 nova]# nova-manage service list
2013-01-23 14:42:58 DEBUG nova.utils
[req-574cece0-f21a-420f-bebc-cb9a100b4cd8 None None] backend <module
'nova.db.sqlalchemy.api' from
'/usr/lib/python2.6/site-packages/nova/db/sqlalchemy/api.pyc'> from
(pid=20076)
__get_backend /usr/lib/python2.6/site-packages/nova/utils.py:494
Binary           Host                                 Zone
Status     State Updated_At
nova-cert        openstack-11                         nova
enabled    :-)   2013-01-23 06:42:50.598491
nova-scheduler   openstack-11                         nova
enabled    :-)   2013-01-23 06:42:53.381163
nova-compute     openstack-12                         kvm-nova
enabled    XXX   2013-01-23 06:41:18.461497


And i found error in nova-compute log, anyone know what's wrong with this?
2013-01-23 14:20:34 CRITICAL nova [-] need more than 0 values to unpack
2013-01-23 14:20:34 TRACE nova Traceback (most recent call last):
2013-01-23 14:20:34 TRACE nova   File "/usr/bin/nova-compute", line 48, in
<module>
2013-01-23 14:20:34 TRACE nova     service.wait()
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/nova/service.py", line 659, in wait
2013-01-23 14:20:34 TRACE nova     _launcher.wait()
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/nova/service.py", line 202, in wait
2013-01-23 14:20:34 TRACE nova     rpc.cleanup()
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/__init__.py",
line 197, in cleanup
2013-01-23 14:20:34 TRACE nova     return _get_impl().cleanup()
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
line 599, in cleanup
2013-01-23 14:20:34 TRACE nova     return rpc_amqp.cleanup(Connection.pool)
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line
418, in cleanup
2013-01-23 14:20:34 TRACE nova     connection_pool.empty()
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line
62, in empty
2013-01-23 14:20:34 TRACE nova     self.get().close()
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
line 386, in close
2013-01-23 14:20:34 TRACE nova     self.connection.close()
2013-01-23 14:20:34 TRACE nova   File "<string>", line 6, in close
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/qpid/messaging/endpoints.py", line 316,
in close
2013-01-23 14:20:34 TRACE nova     ssn.close(timeout=timeout)
2013-01-23 14:20:34 TRACE nova   File "<string>", line 6, in close
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/qpid/messaging/endpoints.py", line 749,
in close
2013-01-23 14:20:34 TRACE nova     if not self._ewait(lambda: self.closed,
timeout=timeout):
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/qpid/messaging/endpoints.py", line 566,
in _ewait
2013-01-23 14:20:34 TRACE nova     result = self.connection._ewait(lambda:
self.error or predicate(), timeout)
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/qpid/messaging/endpoints.py", line 208,
in _ewait
2013-01-23 14:20:34 TRACE nova     result = self._wait(lambda: self.error
or predicate(), timeout)
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/qpid/messaging/endpoints.py", line 193,
in _wait
2013-01-23 14:20:34 TRACE nova     return self._waiter.wait(predicate,
timeout=timeout)
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/qpid/concurrency.py", line 57, in wait
2013-01-23 14:20:34 TRACE nova     self.condition.wait(3)
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/qpid/concurrency.py", line 96, in wait
2013-01-23 14:20:34 TRACE nova     sw.wait(timeout)
2013-01-23 14:20:34 TRACE nova   File
"/usr/lib/python2.6/site-packages/qpid/compat.py", line 53, in wait
2013-01-23 14:20:34 TRACE nova     ready, _, _ = select([self], [], [],
timeout)
2013-01-23 14:20:34 TRACE nova ValueError: need more than 0 values to
unpack

--------------------------------------------------
Best regard,
David Geng
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