Hi, At the moment the only driver that supports the PCI stats is libvirt. I think that we need to ensure that that if the PCI stats are not reported by the driver then the data structure is not accessed and the data base will not have any unnecessary updates. I have added the following fix for this: https://review.openstack.org/47744 Thanks Gary -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20130922/8c6f92f9/attachment.html>