Public bug reported:

SRU Justification

[Impact]

The latest 5.4-based linux-azure-cvm kernel
(https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-
azure/+git/focal/tag/?h=Ubuntu-azure-cvm-5.4.0-1085.90%2bcvm2) works
fine when it runs in an AMD SNP VM, but doesn't work when it runs in a
VBS VM (for VBS, please refer to https://docs.microsoft.com/en-
us/windows-hardware/design/device-experiences/oem-vbs)

[Fix]

https://github.com/dcui/linux-azure-
cvm/commit/b262b15df05e06be0a43ecc4c72fb3b735a78fe7

[Test Case]

Microsoft tested

[Where things could go wrong]

This could affect regular CVM instances

[Other Info]

SF: #00340455

** Affects: linux-azure-cvm (Ubuntu)
     Importance: Undecided
         Status: Invalid

** Affects: linux-azure-cvm (Ubuntu Focal)
     Importance: Medium
     Assignee: Tim Gardner (timg-tpi)
         Status: In Progress

** Also affects: linux-azure-cvm (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Changed in: linux-azure-cvm (Ubuntu)
       Status: New => Invalid

** Changed in: linux-azure-cvm (Ubuntu Focal)
   Importance: Undecided => Medium

** Changed in: linux-azure-cvm (Ubuntu Focal)
       Status: New => In Progress

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

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure-cvm in Ubuntu.
https://bugs.launchpad.net/bugs/1981328

Title:
  Azure: Fix the Focal Azure CVM kernel for VBS VMs

Status in linux-azure-cvm package in Ubuntu:
  Invalid
Status in linux-azure-cvm source package in Focal:
  In Progress

Bug description:
  SRU Justification

  [Impact]

  The latest 5.4-based linux-azure-cvm kernel
  (https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-
  azure/+git/focal/tag/?h=Ubuntu-azure-cvm-5.4.0-1085.90%2bcvm2) works
  fine when it runs in an AMD SNP VM, but doesn't work when it runs in a
  VBS VM (for VBS, please refer to https://docs.microsoft.com/en-
  us/windows-hardware/design/device-experiences/oem-vbs)

  [Fix]

  https://github.com/dcui/linux-azure-
  cvm/commit/b262b15df05e06be0a43ecc4c72fb3b735a78fe7

  [Test Case]

  Microsoft tested

  [Where things could go wrong]

  This could affect regular CVM instances

  [Other Info]

  SF: #00340455

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