[openstack-dev] [nova] [pci device passthrough] fails with "NameError: global name '_' is not defined"
David Kang
dkang at isi.edu
Tue Sep 10 21:03:49 UTC 2013
----- 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
David
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