Comment 14 for bug 1383465

Robert - This machine was rebooted by a workmate of mine - openstack services were shutdown before the reboot, but the guest was not. After the reboot, nova-compute would exit, and fail to start.

Once the PciDeviceRequestFailed error pops up, nova-compute fails and I attempt to restart it, seen here :
    530 2014-10-20 13:16:36.077 28308 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' 530 ,vendor_id='8086'}])], 'code': 500}equests)s failed
    531 2014-10-20 13:16:36.077 28308 TRACE nova.openstack.common.threadgroup
    532 2014-10-20 13:16:36.649 28936 DEBUG nova.servicegroup.api [-] ServiceGroup driver defined as an instance of db __new__ /usr/lib/python2.7/site-packages/nova/servicegroup/api.py:65
    533 2014-10-20 13:16:36.743 28936 INFO nova.openstack.common.periodic_task [-] Skipping periodic task _periodic_update_dns because its interval is negative
    534 2014-10-20 13:16:36.760 28936 INFO nova.virt.driver [-] Loading compute driver 'libvirt.LibvirtDriver'
    535 2014-10-20 13:16:36.794 28936 INFO oslo.messaging._drivers.impl_rabbit [req-4c00e797-b170-4dd4-9f9f-bfea37f4796f ] Connecting to AMQP server on 10.16.29.115:5672
    536 2014-10-20 13:16:36.807 28936 INFO oslo.messaging._drivers.impl_rabbit [req-4c00e797-b170-4dd4-9f9f-bfea37f4796f ] Connected to AMQP server on 10.16.29.115:5672
    537 2014-10-20 13:16:36.809 28936 INFO oslo.messaging._drivers.impl_rabbit [req-4c00e797-b170-4dd4-9f9f-bfea37f4796f ] Connecting to AMQP server on 10.16.29.115:5672
    538 2014-10-20 13:16:36.817 28936 INFO oslo.messaging._drivers.impl_rabbit [req-4c00e797-b170-4dd4-9f9f-bfea37f4796f ] Connected to AMQP server on 10.16.29.115:5672
    539 2014-10-20 13:16:36.831 28936 DEBUG nova.openstack.common.service [-] Full set of CONF: _wait_for_exit_or_signal /usr/lib/python2.7/site-packages/nova/openstack/common/service.py:167
 540 2014-10-20 13:16:36.831 28936 DEBUG nova.openstack.common.service [-] ******************************************************************************** log_opt_values /usr/lib/python2.7/site-packages/oslo/config/cfg.py:1983
    541 2014-10-20 13:16:36.831 28936 DEBUG nova.openstack.common.service [-] Configuration options gathered from: log_opt_values /usr/lib/python2.7/site-packages/oslo/config/cfg.py:1984
    542 2014-10-20 13:16:36.832 28936 DEBUG nova.openstack.common.service [-] command line args: [] log_opt_values /usr/lib/python2.7/site-packages/oslo/config/cfg.py:1985
    543 2014-10-20 13:16:36.832 28936 DEBUG nova.openstack.common.service [-] config files: ['/usr/share/nova/nova-dist.conf', '/etc/nova/nova.conf'] log_opt_values /usr/lib/python2.7/site-packages/oslo/config/cfg.py:1986
    544 2014-10-20 13:16:36.832 28936 DEBUG nova.openstack.common.service [-] ================================================================================ log_opt_values /usr/lib/python2.7/site-packages/oslo/config/cfg.py:1987