** Changed in: nova
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1383465
Title:
[pci-passthrough] nova-compute fails to start
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
Created a guest using nova with a passthrough device, shutdown that
guest, and disabled nova-compute (openstack-service stop). Went to
turn things back on, and nova-compute fails to start.
The trace:
2014-10-20 16:06:45.734 48553 ERROR nova.openstack.common.threadgroup [-] PCI
device request ({'requests':
[InstancePCIRequest(alias_name='rook',count=2,is_new=False,request_id=None,spec=[{product_id='10fb',vendor_id='8086'}])],
'code': 500}equests)s failed
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
Traceback (most recent call last):
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/openstack/common/threadgroup.py", line
125, in wait
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
x.wait()
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/openstack/common/threadgroup.py", line
47, in wait
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
return self.thread.wait()
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 173, in wait
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
return self._exit_event.wait()
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/eventlet/event.py", line 121, in wait
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
return hubs.get_hub().switch()
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 293, in switch
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
return self.greenlet.switch()
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 212, in main
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
result = function(*args, **kwargs)
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/openstack/common/service.py", line 492,
in run_service
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
service.start()
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/service.py", line 181, in start
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
self.manager.pre_start_hook()
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1152, in
pre_start_hook
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
self.update_available_resource(nova.context.get_admin_context())
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 5949, in
update_available_resource
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
rt.update_available_resource(context)
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 332,
in update_available_resource
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
return self._update_available_resource(context, resources)
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/openstack/common/lockutils.py", line
272, in inner
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
return f(*args, **kwargs)
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 349,
in _update_available_resource
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
self._update_usage_from_instances(context, resources, instances)
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 708,
in _update_usage_from_instances
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
self._update_usage_from_instance(context, resources, instance)
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 668,
in _update_usage_from_instance
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
self.pci_tracker.update_pci_for_instance(context, instance)
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/pci/pci_manager.py", line 212, in
update_pci_for_instance
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
devs = self._claim_instance(context, instance)
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/pci/pci_manager.py", line 157, in
_claim_instance
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
devs = self.stats.consume_requests(pci_requests.requests)
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.7/site-packages/nova/pci/pci_stats.py", line 156, in
consume_requests
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
raise exception.PciDeviceRequestFailed(requests=pci_requests)
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
PciDeviceRequestFailed: PCI device request ({'requests':
[InstancePCIRequest(alias_name='rook',count=2,is_new=False,request_id=None,spec=[{product_id='10fb',vendor_id='8086'}])],
'code': 500}equests)s failed
2014-10-20 16:06:45.734 48553 TRACE nova.openstack.common.threadgroup
The resolution was to delete the guest via nova, then virsh undefine
the guest. After the nova delete and virsh undefine, I could start
nova-compute without issue.
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