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[sean mooney <1782696@xxxxxxxxxxxxxxxxxx>]

setting this back to invalid.

there is a seperate bug for resize

https://bugs.launchpad.net/nova/+bug/1805969

this was previously marked as invalid because there was no clear
repoduce or the issue and we have other bug tracking various edge case
so let not keep this open as that has not been adressed

** Changed in: nova
       Status: Confirmed => Invalid

** Changed in: nova
     Assignee: Yongli He (yongli-he) => (unassigned)

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https://bugs.launchpad.net/bugs/1782696

Title:
  nova migration a vm with pci devices to a host don't have pci
  available

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  on nova master, multinodes with 2 compute nodes available. only one of
  nova compute had pci devices available.

  1. booting vm with pci reqested, assume it's name: pci-vm
  2. nova migrate pci-vm
  3. the pci-vm been schedule to a host don't have pci devices available.

  we see exception on nova compute(the host don't have pci devs and
  which nova schedule the pci-vm to):

  exception type 1:
  env/local/lib/python2.7/site-packages/nova/pci/request.py", line 157, in _translate_alias_to_requests
  2018-07-19 22:04:15.950 7 ERROR oslo_messaging.rpc.server     raise exception.PciRequestAliasNotDefined(alias=name)
  2018-07-19 22:04:15.950 7 ERROR oslo_messaging.rpc.server 
  PciRequestAliasNotDefined: PCI alias intelpci is not defined

  
  exception type2: (define pci configurations but no pci device available )

  2018-07-22 23:10:16.528 7 ERROR oslo_messaging.rpc.server     overhead=overhead, limits=limits)
  2018-07-22 23:10:16.528 7 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/nova/compute/claims.py", line 95, in __init__
  2018-07-22 23:10:16.528 7 ERROR oslo_messaging.rpc.server     self._claim_test(resources, limits)
  2018-07-22 23:10:16.528 7 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/nova/compute/claims.py", line 162, in _claim_test
  2018-07-22 23:10:16.528 7 ERROR oslo_messaging.rpc.server     "; ".join(reasons))
  2018-07-22 23:10:16.528 7 ERROR oslo_messaging.rpc.server ComputeResourcesUnavailable: Insufficient compute resources: Claim pci failed.

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