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[Corey Bryant <1931244@xxxxxxxxxxxxxxxxxx>]

** Also affects: cloud-archive/victoria
   Importance: Undecided
       Status: New

** Also affects: cloud-archive/ussuri
   Importance: Undecided
       Status: New

** Also affects: cloud-archive/xena
   Importance: High
       Status: Triaged

** Also affects: cloud-archive/wallaby
   Importance: Undecided
       Status: New

** Changed in: cloud-archive/wallaby
       Status: New => Triaged

** Changed in: cloud-archive/ussuri
       Status: New => Triaged

** Changed in: cloud-archive/victoria
       Status: New => Triaged

** Changed in: cloud-archive/wallaby
   Importance: Undecided => High

** Changed in: cloud-archive/ussuri
   Importance: Undecided => High

** Changed in: cloud-archive/victoria
   Importance: Undecided => High

** Also affects: neutron (Ubuntu Groovy)
   Importance: Undecided
       Status: New

** Also affects: neutron (Ubuntu Hirsute)
   Importance: Undecided
       Status: New

** Also affects: neutron (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: neutron (Ubuntu Impish)
   Importance: High
       Status: Triaged

** Changed in: neutron (Ubuntu Focal)
   Importance: Undecided => High

** Changed in: neutron (Ubuntu Focal)
       Status: New => Triaged

** Changed in: neutron (Ubuntu Groovy)
   Importance: Undecided => High

** Changed in: neutron (Ubuntu Groovy)
       Status: New => Triaged

** Changed in: neutron (Ubuntu Hirsute)
   Importance: Undecided => High

** Changed in: neutron (Ubuntu Hirsute)
       Status: New => Triaged

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Engineering Team, which is subscribed to neutron.
https://bugs.launchpad.net/bugs/1931244

Title:
  ovn sriov broken from ussuri onwards

Status in Ubuntu Cloud Archive:
  Triaged
Status in Ubuntu Cloud Archive ussuri series:
  Triaged
Status in Ubuntu Cloud Archive victoria series:
  Triaged
Status in Ubuntu Cloud Archive wallaby series:
  Triaged
Status in Ubuntu Cloud Archive xena series:
  Triaged
Status in neutron:
  New
Status in neutron package in Ubuntu:
  Triaged
Status in neutron source package in Focal:
  Triaged
Status in neutron source package in Groovy:
  Triaged
Status in neutron source package in Hirsute:
  Triaged
Status in neutron source package in Impish:
  Triaged

Bug description:
  I have an Openstack Ussuri 16.3.2 deployment using OVN. When I create
  a vm with one or more sriov ports it fails with:

  2021-06-08 11:38:31.939 526862 WARNING nova.virt.libvirt.driver [req-
  c4be797e-7d7e-4e73-8406-f74ae51db192 696c98b722a44d229e16b6d6474a27d4
  0b9102977dcc4d4ab662b48494bb3110 - 2e0bf6ec95c047d986a61f7570222149
  2e0bf6ec95c047d986a61f7570222149] [instance: 7ab9b374-51eb-
  4e94-8055-c69e8a7d76b3] Timeout waiting for [('network-vif-plugged',
  'c2b7c68d-c465-4ca2-869a-59bc73b2b595'), ('network-vif-plugged',
  'a50de16a-29ac-4dca-9cb6-0247a932fbf3')] for instance with vm_state
  building and task_state spawning.: eventlet.timeout.Timeout: 300
  seconds

  A bit of analysis shows that nova-compute did its thing and sits there
  waiting on network-vif-plugged. The sriov-agent then notices new VFs
  configured and sends a get_devices_details_list() rpc call to neutron
  and neutron never responds. Reverting to 16.3.1 fixes the issue.
  Taking a closer look at 16.3.2 by reverting patches lead to [1] as the
  culprit.

  [1]
  https://github.com/openstack/neutron/commit/7cf9597570f288d27768dc5ff7be04824d09f8bc

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