[openstack-dev] [nova] [pci device passthrough] fails with "NameError: global name '_' is not defined"
yongli he
yongli.he at intel.com
Wed Sep 11 11:35:15 UTC 2013
于 2013年09月11日 05:17, Russell Bryant 写道:
> On 09/10/2013 05:03 PM, David Kang wrote:
>> ----- Original Message -----
>>> From: "Russell Bryant" <rbryant at redhat.com>
>>> To: "OpenStack Development Mailing List" <openstack-dev at lists.openstack.org>
>>> Cc: "David Kang" <dkang at isi.edu>
>>> Sent: Tuesday, September 10, 2013 4:42:41 PM
>>> Subject: Re: [openstack-dev] [nova] [pci device passthrough] fails with "NameError: global name '_' is not defined"
>>> On 09/10/2013 03:56 PM, David Kang wrote:
>>>> Hi,
>>>>
>>>> I'm trying to test pci device passthrough feature.
>>>> Havana3 is installed using Packstack on CentOS 6.4.
>>>> Nova-compute dies right after start with error "NameError: global
>>>> name '_' is not defined".
>>>> I'm not sure if it is due to misconfiguration of nova.conf or bug.
>>>> Any help will be appreciated.
>>>>
>>>> Here is the info:
>>>>
>>>> /etc/nova/nova.conf:
>>>> pci_alias={"name":"test", "product_id":"7190", "vendor_id":"8086",
>>>> "device_type":"ACCEL"}
>>>>
>>>> pci_passthrough_whitelist=[{"vendor_id":"8086","product_id":"7190"}]
>>>>
>>>> With that configuration, nova-compute fails with the following log:
>>>>
>>>> File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py",
>>>> line 461, in _process_data
>>>> **args)
>>>>
>>>> File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py",
>>>> line 172, in dispatch
>>>> result = getattr(proxyobj, method)(ctxt, **kwargs)
>>>>
>>>> File "/usr/lib/python2.6/site-packages/nova/conductor/manager.py",
>>>> line 567, in object_action
>>>> result = getattr(objinst, objmethod)(context, *args, **kwargs)
>>>>
>>>> File "/usr/lib/python2.6/site-packages/nova/objects/base.py", line
>>>> 141, in wrapper
>>>> return fn(self, ctxt, *args, **kwargs)
>>>>
>>>> File
>>>> "/usr/lib/python2.6/site-packages/nova/objects/pci_device.py",
>>>> line 242, in save
>>>> self._from_db_object(context, self, db_pci)
>>>>
>>>> NameError: global name '_' is not defined
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup Traceback (most recent call last):
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/threadgroup.py",
>>>> line 117, in wait
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup x.wait()
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/threadgroup.py",
>>>> line 49, in wait
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup return self.thread.wait()
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/eventlet/greenthread.py", line
>>>> 166, in wait
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup return self._exit_event.wait()
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/eventlet/event.py", line 116, in
>>>> wait
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup return hubs.get_hub().switch()
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/eventlet/hubs/hub.py", line 177,
>>>> in switch
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup return self.greenlet.switch()
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/eventlet/greenthread.py", line
>>>> 192, in main
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup result = function(*args, **kwargs)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/service.py",
>>>> line 65, in run_service
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup service.start()
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/service.py", line 164, in
>>>> start
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup self.manager.pre_start_hook()
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line
>>>> 805, in pre_start_hook
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup
>>>> self.update_available_resource(nova.context.get_admin_context())
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line
>>>> 4773, in update_available_resource
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup
>>>> rt.update_available_resource(context)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/lockutils.py",
>>>> line 246, in inner
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup return f(*args, **kwargs)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py",
>>>> line 318, in update_available_resource
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup self._sync_compute_node(context,
>>>> resources)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py",
>>>> line 347, in _sync_compute_node
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup self._update(context, resources,
>>>> prune_stats=True)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py",
>>>> line 420, in _update
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup self.pci_tracker.save(context)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/pci/pci_manager.py", line
>>>> 126, in save
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup dev.save(context)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/objects/base.py", line 134,
>>>> in wrapper
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup ctxt, self, fn.__name__, args,
>>>> kwargs)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/conductor/rpcapi.py", line
>>>> 497, in object_action
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup objmethod=objmethod, args=args,
>>>> kwargs=kwargs)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/rpcclient.py", line 85, in
>>>> call
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup return
>>>> self._invoke(self.proxy.call, ctxt, method, **kwargs)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/rpcclient.py", line 63, in
>>>> _invoke
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup return cast_or_call(ctxt, msg,
>>>> **self.kwargs)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/proxy.py",
>>>> line 126, in call
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup result = rpc.call(context,
>>>> real_topic, msg, timeout)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/__init__.py",
>>>> line 139, in call
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup return _get_impl().call(CONF,
>>>> context, topic, msg, timeout)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
>>>> line 794, in call
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup rpc_amqp.get_connection_pool(conf,
>>>> Connection))
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py",
>>>> line 574, in call
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup rv = list(rv)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py",
>>>> line 539, in __iter__
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup raise result
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup NameError: global name '_' is not
>>>> defined
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup Traceback (most recent call last):
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py",
>>>> line 461, in _process_data
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup **args)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py",
>>>> line 172, in dispatch
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup result = getattr(proxyobj,
>>>> method)(ctxt, **kwargs)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/conductor/manager.py", line
>>>> 567, in object_action
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup result = getattr(objinst,
>>>> objmethod)(context, *args, **kwargs)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/objects/base.py", line 141,
>>>> in wrapper
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup return fn(self, ctxt, *args,
>>>> **kwargs)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup File
>>>> "/usr/lib/python2.6/site-packages/nova/objects/pci_device.py", line
>>>> 242, in save
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup self._from_db_object(context,
>>>> self, db_pci)
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup
>>>> 2013-09-10 12:52:23.774 14749 TRACE
>>>> nova.openstack.common.threadgroup NameError: global name '_' is not
>>>> defined
>>> Can you file a bug for this?
>>>
>>> Fix here: https://review.openstack.org/45949
>>>
>>> --
>>> Russell Bryant
>>
>>
>> Thanks, Russell.
>>
>> The bug is reported.
>> https://bugs.launchpad.net/nova/+bug/1223559
>>
>> But, another error happens after the patch is applied. "TypeError: expected string or buffer".
>>
>> ----- log message -----
>>
>> File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 461, in _process_data
>> **args)
>>
>> File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py", line 172, in dispatch
>> result = getattr(proxyobj, method)(ctxt, **kwargs)
>>
>> File "/usr/lib/python2.6/site-packages/nova/conductor/manager.py", line 567, in object_action
>> result = getattr(objinst, objmethod)(context, *args, **kwargs)
>>
>> File "/usr/lib/python2.6/site-packages/nova/objects/base.py", line 141, in wrapper
>> return fn(self, ctxt, *args, **kwargs)
>>
>> File "/usr/lib/python2.6/site-packages/nova/objects/pci_device.py", line 243, in save
>> self._from_db_object(context, self, db_pci)
>>
>> File "/usr/lib/python2.6/site-packages/nova/objects/pci_device.py", line 150, in _from_db_object
>> pci_device.extra_info = jsonutils.loads(extra_info)
>>
>> File "/usr/lib/python2.6/site-packages/nova/openstack/common/jsonutils.py", line 158, in loads
>> return json.loads(s)
>>
>> File "/usr/lib64/python2.6/json/__init__.py", line 307, in loads
>> return _default_decoder.decode(s)
>>
>> File "/usr/lib64/python2.6/json/decoder.py", line 319, in decode
>> obj, end = self.raw_decode(s, idx=_w(s, 0).end())
>>
>> TypeError: expected string or buffer
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup Traceback (most recent call last):
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/threadgroup.py", line 117, in wait
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup x.wait()
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/threadgroup.py", line 49, in wait
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup return self.thread.wait()
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/eventlet/greenthread.py", line 166, in wait
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup return self._exit_event.wait()
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/eventlet/event.py", line 116, in wait
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup return hubs.get_hub().switch()
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/eventlet/hubs/hub.py", line 177, in switch
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup return self.greenlet.switch()
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/eventlet/greenthread.py", line 192, in main
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup result = function(*args, **kwargs)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/service.py", line 65, in run_service
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup service.start()
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/service.py", line 164, in start
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup self.manager.pre_start_hook()
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 805, in pre_start_hook
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup self.update_available_resource(nova.context.get_admin_context())
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 4773, in update_available_resource
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup rt.update_available_resource(context)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/lockutils.py", line 246, in inner
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup return f(*args, **kwargs)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py", line 318, in update_available_resource
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup self._sync_compute_node(context, resources)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py", line 347, in _sync_compute_node
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup self._update(context, resources, prune_stats=True)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py", line 420, in _update
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup self.pci_tracker.save(context)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/pci/pci_manager.py", line 126, in save
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup dev.save(context)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/objects/base.py", line 134, in wrapper
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup ctxt, self, fn.__name__, args, kwargs)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/conductor/rpcapi.py", line 497, in object_action
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup objmethod=objmethod, args=args, kwargs=kwargs)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/rpcclient.py", line 85, in call
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup return self._invoke(self.proxy.call, ctxt, method, **kwargs)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/rpcclient.py", line 63, in _invoke
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup return cast_or_call(ctxt, msg, **self.kwargs)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/proxy.py", line 126, in call
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup result = rpc.call(context, real_topic, msg, timeout)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/__init__.py", line 139, in call
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup return _get_impl().call(CONF, context, topic, msg, timeout)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py", line 794, in call
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup rpc_amqp.get_connection_pool(conf, Connection))
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 574, in call
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup rv = list(rv)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 539, in __iter__
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup raise result
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup TypeError: expected string or buffer
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup Traceback (most recent call last):
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 461, in _process_data
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup **args)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py", line 172, in dispatch
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup result = getattr(proxyobj, method)(ctxt, **kwargs)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/conductor/manager.py", line 567, in object_action
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup result = getattr(objinst, objmethod)(context, *args, **kwargs)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/objects/base.py", line 141, in wrapper
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup return fn(self, ctxt, *args, **kwargs)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/objects/pci_device.py", line 243, in save
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup self._from_db_object(context, self, db_pci)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/objects/pci_device.py", line 150, in _from_db_object
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup pci_device.extra_info = jsonutils.loads(extra_info)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib/python2.6/site-packages/nova/openstack/common/jsonutils.py", line 158, in loads
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup return json.loads(s)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib64/python2.6/json/__init__.py", line 307, in loads
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup return _default_decoder.decode(s)
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup File "/usr/lib64/python2.6/json/decoder.py", line 319, in decode
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup obj, end = self.raw_decode(s, idx=_w(s, 0).end())
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup
>> 2013-09-10 13:56:35.366 16736 TRACE nova.openstack.common.threadgroup TypeError: expected string or buffer
> Try this:
>
> diff --git a/nova/objects/pci_device.py b/nova/objects/pci_device.py
> index a83b8f3..d0a628a 100644
> --- a/nova/objects/pci_device.py
> +++ b/nova/objects/pci_device.py
> @@ -145,7 +145,7 @@ class PciDevice(base.NovaPersistentObject,
> base.NovaObject):
> if key != 'extra_info':
> pci_device[key] = db_dev[key]
> else:
> - extra_info = db_dev.get("extra_info")
> + extra_info = db_dev.get("extra_info", '{}')
this should the right way, might need more dig into it. i recall a patch
fix the base for wrong lazy loading, here need some change to fit the
new thing from base. i take it. thanks you all.
> pci_device.extra_info = jsonutils.loads(extra_info)
> pci_device._context = context
> pci_device.obj_reset_changes()
>
>
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