** Changed in: ubuntu-drivers-common (Ubuntu)
       Status: In Progress => Won't Fix

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https://bugs.launchpad.net/bugs/2083657

Title:
  Remove oem-flavour.cfg for the OEM kernel retirement

Status in OEM Priority Project:
  In Progress
Status in ubuntu-drivers-common package in Ubuntu:
  Won't Fix
Status in ubuntu-drivers-common source package in Jammy:
  In Progress

Bug description:
  [ Impact ]

   * This affects all Ubuntu OEM preloaded systems which are still using OEM 
kernel.
   * Expecially for those systems which are using NVIDIA graphic driver.

  [ Test Plan ]

   * We will check on the problematic system to see if
  /etc/default/grub.d/oem-flavour.cfg is removed.

  [ Where problems could occur ]

   * N/A.

  [ Other Info ]

   * This patch will be only applied to Ubuntu 22.04.

  1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> 
About $ lsb_release -rd
  Description:  Ubuntu 22.04.4 LTS
  Release:      22.04
  $ ubuntu-report show | grep DCD
      "DCD": "canonical-oem-sutton-jammy-amd64-20240606-874"

  2) The version of the package you are using, via 'apt-cache policy pkgname' 
or by checking in Software Center
  $ apt-cache policy ubuntu-drivers-common
  ubuntu-drivers-common:
    Installed: 1:0.9.6.2~0.22.04.6
    Candidate: 1:0.9.6.2~0.22.04.7
    Version table:
       1:0.9.6.2~0.22.04.7 500
          500 http://tw.archive.ubuntu.com/ubuntu jammy-updates/main amd64 
Packages
   *** 1:0.9.6.2~0.22.04.6 100
          100 /var/lib/dpkg/status
       1:0.9.6.1 500
          500 http://tw.archive.ubuntu.com/ubuntu jammy/main amd64 Packages

  3) What you expected to happen
  unattended-upgrades won't break the system.

  4) What happened instead
  unattended-upgrades upgraded the NVIDIA packages and the general HWE kernel 
that retired the OEM kernel in the background.
  After the system reboot, the screen keeps black because it boots the OEM 
kernel and the OEM kernel is still using the old nvidia prebuilt kernel module 
that is not met to the NVIDIA packages.

  We need to remove /etc/default/grub.d/oem-flavour.cfg to avoid the
  system booting from deprecated OEM kernels.

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