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[Przemyslaw Czesnowicz <przemyslaw.czesnowicz@xxxxxxxxx>]

Public bug reported:

NUMATopologyFilter will always return 0 hosts for a VM that has a numa
topology defined and has requested a pci device.


this happens because pci numa_node information is converted to string in PciDevicePool, 
PciDeviceStats expects numa_node info to be an int.   


2015-04-07 14:08:51.399 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Starting with 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:70
2015-04-07 14:08:51.399 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter RamFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
2015-04-07 14:08:51.399 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter ComputeFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
2015-04-07 14:08:51.400 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter AvailabilityZoneFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
2015-04-07 14:08:51.400 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter ComputeCapabilitiesFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
2015-04-07 14:08:51.400 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter ImagePropertiesFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
2015-04-07 14:08:51.400 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter PciPassthroughFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
2015-04-07 14:08:53.348 INFO nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter NUMATopologyFilter returned 0 hosts

** Affects: nova
     Importance: Undecided
     Assignee: Przemyslaw Czesnowicz (pczesno)
         Status: New


** Tags: numa pci-passthrough

** Changed in: nova
     Assignee: (unassigned) => Przemyslaw Czesnowicz (pczesno)

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https://bugs.launchpad.net/bugs/1441169

Title:
  can't schedule vm with numa topology and pci device

Status in OpenStack Compute (Nova):
  New

Bug description:
  NUMATopologyFilter will always return 0 hosts for a VM that has a numa
  topology defined and has requested a pci device.

  
  this happens because pci numa_node information is converted to string in PciDevicePool, 
  PciDeviceStats expects numa_node info to be an int.   

  
  2015-04-07 14:08:51.399 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Starting with 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:70
  2015-04-07 14:08:51.399 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter RamFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
  2015-04-07 14:08:51.399 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter ComputeFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
  2015-04-07 14:08:51.400 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter AvailabilityZoneFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
  2015-04-07 14:08:51.400 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter ComputeCapabilitiesFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
  2015-04-07 14:08:51.400 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter ImagePropertiesFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
  2015-04-07 14:08:51.400 DEBUG nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter PciPassthroughFilter returned 1 host(s) from (pid=47627) get_filtered_objects /shared/stack/nova/nova/filters.py:84
  2015-04-07 14:08:53.348 INFO nova.filters [req-d417e042-2d61-4fc5-a38b-8898f4f512d0 admin demo] Filter NUMATopologyFilter returned 0 hosts

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