[openstack-dev] [nova] [pci device passthrough] fails with "NameError: global name '_' is not defined"
Jiang, Yunhong
yunhong.jiang at intel.com
Wed Sep 11 16:50:51 UTC 2013
Sorry for slow response, I'm out of office to IDF, I will have a look on it today.
Thanks
--jyh
> -----Original Message-----
> From: David Kang [mailto:dkang at isi.edu]
> Sent: Wednesday, September 11, 2013 6:11 AM
> To: OpenStack Development Mailing List
> Subject: Re: [openstack-dev] [nova] [pci device passthrough] fails with
> "NameError: global name '_' is not defined"
>
>
>
> ----- Original Message -----
> > From: "yongli he" <yongli.he at intel.com>
> > To: "OpenStack Development Mailing List"
> <openstack-dev at lists.openstack.org>
> > Sent: Wednesday, September 11, 2013 4:41:13 AM
> > Subject: Re: [openstack-dev] [nova] [pci device passthrough] fails with
> "NameError: global name '_' is not defined"
> > 于 2013年09月11日 05:38, David Kang 写道:
> > >
> > > ----- Original Message -----
> > >> From: "Russell Bryant" <rbryant at redhat.com>
> > >> To: "David Kang" <dkang at isi.edu>
> > >> Cc: "OpenStack Development Mailing List"
> > >> <openstack-dev at lists.openstack.org>
> > >> Sent: Tuesday, September 10, 2013 5:17:15 PM
> > >> Subject: Re: [openstack-dev] [nova] [pci device passthrough] fails
> > >> with "NameError: global name '_' is not defined"
> > >> 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/dispatch
> er.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_qpi
> d.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/dispatch
> er.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/dispatch
> er.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_qpi
> d.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/dispatch
> er.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", '{}')
> > >> pci_device.extra_info = jsonutils.loads(extra_info)
> > >> pci_device._context = context
> > >> pci_device.obj_reset_changes()
> > >>
> > >>
> > >> --
> > >> Russell Bryant
> > >
> > > The same error happens.
> > > The error message says "TypeError: expected string or buffer".
> > hi, David
> > could you paste the new trace to the bug ? (note it with the patch)
> > that's close to the fix i think.
> >
> > thanks
> > Yongli he
> > >
>
> Hi Yongli,
>
> I believe I patched the code, but there is no difference. The same error.
> Since I installed it using packstack, the code is not as updated as the master
> trunk.
> I believe it is Havana 3.
> Could it be the problem?
>
> Here is my code after applying the patch.
>
> 144 def _from_db_object(context, pci_device, db_dev):
> 145 for key in pci_device.fields:
> 146 if key != 'extra_info':
> 147 pci_device[key] = db_dev.get(key)
> 148 else:
> 149 extra_info = db_dev.get("extra_info", '{}')
> 150 pci_device.extra_info = jsonutils.loads(extra_info)
>
> Thanks,
> David
>
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