Public bug reported:

SRU Justification

[Impact]

SRIOV tests fail where sometimes 0 and other times only 6 VF devices are 
detected instead of 8.
This is using the 5.19 Edge kernel.
Example failure from LISA test run -
Sriov.verify_sriov_provision_with_max_nics_reboot: FAILED failed. 
AssertionError: [VF count inside VM is 6,actual sriov nic count is 8] Expected 
<6> to be equal to <8>, but was not.

Microsoft has requested the inclusion of [1], now in linux-next.

1 -
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?h=hyperv-
fixes&id=f134588e4cebaecdeafbbb19317517ea9b729aa9

[Test Plan]

Microsoft tested

[Where things could go wrong]

VNICs could go undetected.

[Other Info]

SF: #00346751

** Affects: linux-azure (Ubuntu)
     Importance: Undecided
     Assignee: Tim Gardner (timg-tpi)
         Status: New

** Package changed: linux (Ubuntu) => linux-azure (Ubuntu)

** Changed in: linux-azure (Ubuntu)
     Assignee: (unassigned) => Tim Gardner (timg-tpi)

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https://bugs.launchpad.net/bugs/1996117

Title:
  [Azure][Arm64] Unable to detect all VF nics / Failing provisioning

Status in linux-azure package in Ubuntu:
  New

Bug description:
  SRU Justification

  [Impact]

  SRIOV tests fail where sometimes 0 and other times only 6 VF devices are 
detected instead of 8.
  This is using the 5.19 Edge kernel.
  Example failure from LISA test run -
  Sriov.verify_sriov_provision_with_max_nics_reboot: FAILED failed. 
AssertionError: [VF count inside VM is 6,actual sriov nic count is 8] Expected 
<6> to be equal to <8>, but was not.

  Microsoft has requested the inclusion of [1], now in linux-next.

  1 -
  
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?h=hyperv-
  fixes&id=f134588e4cebaecdeafbbb19317517ea9b729aa9

  [Test Plan]

  Microsoft tested

  [Where things could go wrong]

  VNICs could go undetected.

  [Other Info]

  SF: #00346751

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