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[Matt Riedemann <mriedem@xxxxxxxxxx>]

I've got a fix here: https://review.openstack.org/#/c/342301/

** Changed in: nova
     Assignee: Raghuveer Shenoy (rshenoy) => Matt Riedemann (mriedem)

** Changed in: nova
       Status: Triaged => In Progress

** Also affects: nova/mitaka
   Importance: Undecided
       Status: New

** Changed in: nova/mitaka
       Status: New => Confirmed

** Changed in: nova/mitaka
   Importance: Undecided => Medium

** Tags added: mitaka-backport-potential

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https://bugs.launchpad.net/bugs/1603034

Title:
  pci whitelist exception will kill the periodic update of the
  hypervisor statistics

Status in OpenStack Compute (nova):
  In Progress
Status in OpenStack Compute (nova) mitaka series:
  Confirmed

Bug description:
  An encountered exception in the pci whitelist will cause the periodic
  hypervisor update loop to terminate and not be tried again. Retries
  should continue at the normal interval.

  Scenario 1:

  Update the nova.conf with the pci_whitelist as follows:
  pci_passthrough_whitelist = [ {"devname": "hed1", "physical_network": "physnet1"},{"physical_network": "physnet1", "address": "*:04:00.0"},{"physical_network": "physnet2", "address": "*:04:00.1"}]

  We get the following error in the nova compute log if hed1 is not
  present. But compute still shows up and the periodic hypervisor update
  stops working.

  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager [req-0e7e62d5-23c9-48f2-8ca4-b47b763c29df None None] Error updating resources for node padawan-cp1-comp0001-mgmt.
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager Traceback (most recent call last):
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager   File "/opt/stack/venv/nova-20160607T195234Z/lib/python2.7/site-packages/nova/compute/manager.py", line 6472, in update_available_resource
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager     rt.update_available_resource(context)
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager   File "/opt/stack/venv/nova-20160607T195234Z/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 531, in update_available_resource
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager     self._update_available_resource(context, resources)
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager   File "/opt/stack/venv/nova-20160607T195234Z/lib/python2.7/site-packages/oslo_concurrency/lockutils.py", line 271, in inner
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager     return f(*args, **kwargs)
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager   File "/opt/stack/venv/nova-20160607T195234Z/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 564, in _update_available_resource
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager     node_id=n_id)
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager   File "/opt/stack/venv/nova-20160607T195234Z/lib/python2.7/site-packages/nova/pci/manager.py", line 68, in __init__
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager     self.dev_filter = whitelist.Whitelist(CONF.pci_passthrough_whitelist)
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager   File "/opt/stack/venv/nova-20160607T195234Z/lib/python2.7/site-packages/nova/pci/whitelist.py", line 78, in __init__
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager     self.specs = self._parse_white_list_from_config(whitelist_spec)
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager   File "/opt/stack/venv/nova-20160607T195234Z/lib/python2.7/site-packages/nova/pci/whitelist.py", line 59, in _parse_white_list_from_config
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager     spec = devspec.PciDeviceSpec(ds)
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager   File "/opt/stack/venv/nova-20160607T195234Z/lib/python2.7/site-packages/nova/pci/devspec.py", line 134, in __init__
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager     self._init_dev_details()
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager   File "/opt/stack/venv/nova-20160607T195234Z/lib/python2.7/site-packages/nova/pci/devspec.py", line 155, in _init_dev_details
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager     raise exception.PciDeviceNotFoundById(id=self.dev_name)
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager PciDeviceNotFoundById: PCI device hed1 not found
  2016-07-13 09:22:42.146 28800 ERROR nova.compute.manager

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