Openstack 启动instance ‘hvm’错误问题解决办法

Openstack 启动instance ‘hvm’错误: 2012-05-25 10:07:12 TRACE nova.rpc.amqp Traceback (most recent call last): 2012-05-25 10:07:12 TRACE nova.rpc.amqp File /usr/lib/python2.7/dist-packages/nova/rpc/amqp.py, line 252, in _process_data 2012-05-25 10:07:12 TRACE nova.rpc.amqp rval = node_func(context=c