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_data2012-05-25 10:07:12 TRACE nova.rpc.amqp rval = node_func(context=ctxt, **node_args)2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped2012-05-25 10:07:12 TRACE nova.rpc.amqp return f(*args, **kw)2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 177, in decorated_function2012-05-25 10:07:12 TRACE nova.rpc.amqp sys.exc_info())2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__2012-05-25 10:07:12 TRACE nova.rpc.amqp self.gen.next()2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 171, in decorated_function2012-05-25 10:07:12 TRACE nova.rpc.amqp return function(self, context, instance_uuid, *args, **kwargs)2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 651, in run_instance2012-05-25 10:07:12 TRACE nova.rpc.amqp do_run_instance()2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 945, in inner/hvm 2012-05-25 10:07:12 TRACE nova.rpc.amqp self._run_instance(context, instance_uuid, **kwargs)2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 451, in _run_instance2012-05-25 10:07:12 TRACE nova.rpc.amqp self._set_instance_error_state(context, instance_uuid)2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__2012-05-25 10:07:12 TRACE nova.rpc.amqp self.gen.next()2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 432, in _run_instance2012-05-25 10:07:12 TRACE nova.rpc.amqp self._deallocate_network(context, instance)2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__2012-05-25 10:07:12 TRACE nova.rpc.amqp self.gen.next()2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 429, in _run_instance2012-05-25 10:07:12 TRACE nova.rpc.amqp injected_files, admin_password)2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 592, in _spawn2012-05-25 10:07:12 TRACE nova.rpc.amqp self._legacy_nw_info(network_info), block_device_info)2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped2012-05-25 10:07:12 TRACE nova.rpc.amqp return f(*args, **kw)2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 922, in spawn2012-05-25 10:07:12 TRACE nova.rpc.amqp self._create_new_domain(xml)2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 1573, in _create_new_domain2012-05-25 10:07:12 TRACE nova.rpc.amqp domain = self._conn.defineXML(xml)2012-05-25 10:07:12 TRACE nova.rpc.amqp File "/usr/lib/python2.7/dist-packages/libvirt.py", line 2199, in defineXML2012-05-25 10:07:12 TRACE nova.rpc.amqp if ret is None:raise libvirtError('virDomainDefineXML() failed', conn=self)2012-05-25 10:07:12 TRACE nova.rpc.amqp libvirtError: internal error no supported architecture for os type 'hvm'

2012-05-25 10:07:12 TRACE nova.rpc.amqp libvirtError: internal error no supported architecture for os type 'hvm'

解决办法：

bios 设置 ivt enable

配置文件nova.conf，libvirt设置为 qemu

#--libvirt_type=kvm
--libvirt_type=qemu

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