yahoo-eng-team team mailing list archive

[Matt Riedemann <mriedem.os@xxxxxxxxx>]

We don't have a clear reproducer of the issue so we don't really know
what's going on here, and haven't had any replies in a long time so I'm
going to mark this as invalid.

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

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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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