2012-10-26 19:34:19 ERROR nova.compute.manager [req-60d19cd5-f33c-41c0-9d29-c3fddf3f66a5 b48636e80c57494e9291a3ab8d5ab117 f0fbc2dbc43346049d19c3b21144a1be] [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] Instance failed to spawn
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] Traceback (most recent call last):
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 617, in _spawn
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] self._legacy_nw_info(network_info), block_device_info)
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] return f(*args, **kw)
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 952, in spawn
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] self._create_new_domain(xml)
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 1616, in _create_new_domain
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] domain = self._conn.defineXML(xml)
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] File "/usr/lib/python2.7/dist-packages/libvirt.py", line 2199, in defineXML
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] if ret is None:raise libvirtError('virDomainDefineXML() failed', conn=self)
2012-10-26 19:34:19 TRACE nova.compute.manager [instance: 63a41795-1774-48e7-9969-e217e6cc5c55] libvirtError: internal error no supported architecture for os type 'hvm'
以上错误是 服务器不支持虚拟化,在bios中打开虚拟化支持就可以了