openstack nova 创建运行虚拟机error

Question

各位大神，帮忙看看有什么解决方法吗？

/var/log/nova/compute.log


> 2014-05-08 03:25:29 ERROR nova.compute.manager [] [instance:
> b06a2df4-d93b-400b-83bd-b3f64c23d6f3] Instance failed to spawn
> 2014-05-08 03:25:29 3333 TRACE nova.compute.manager [instance:
> b06a2df4-d93b-400b-83bd-b3f64c23d6f3] ProcessExecutionError:
> Unexpected error while running command. 2014-05-08 03:25:31 ERROR
> nova.compute.manager [] [instance:
> b06a2df4-d93b-400b-83bd-b3f64c23d6f3] Build error:  ['Traceback (most
> recent call last):\n', '   File ......] 2014-05-08 03:25:31 3333 ERROR
> nova.openstack.common.rpc.amqp [-] Exception during message handling
> 2014-05-08 03:25:31 3333 TRACE nova.openstack.common.rpc.amqp    
> self._set_instance_error_state(context, instance['uuid']) 2014-05-08
> 03:25:31 3333 TRACE nova.openstack.common.rpc.amqp
> ProcessExecutionError_Remote: Unexpected error while running command.
> 2014-05-08 03:25:31 3333 TRACE nova.openstack.common.rpc.amqp Stderr:
> 'Traceback (most recent call last):\n  File "/usr/bin/nova-rootwrap",
> line 89, in <module>\n    env=filtermatch.get_environment(userargs))\n
> File "/usr/lib64/python2.6/subprocess.py", line 642, in __init__\n   
> errread, errwrite)\n  File "/usr/lib64/python2.6/subprocess.py", line
> 1234, in _execute_child\n    raise child_exception\nOSError: [Errno 2]
> No such file or directory\n' 2014-05-08 03:25:31 3333 TRACE
> nova.openstack.common.rpc.amqp ProcessExecutionError: Unexpected error
> while running command. 2014-05-08 03:25:31 3333 TRACE
> nova.openstack.common.rpc.amqp Stderr: 'Traceback (most recent call
> last):\n  File "/usr/bin/nova-rootwrap", line 89, in <module>\n   
> env=filtermatch.get_environment(userargs))\n  File
> "/usr/lib64/python2.6/subprocess.py", line 642, in __init__\n   
> errread, errwrite)\n  File "/usr/lib64/python2.6/subprocess.py", line
> 1234, in _execute_child\n    raise child_exception\nOSError: [Errno 2]
> No such file or directory\n'