[Bug 1962523] Re: [Wayland][Nvidia] gdm default use Xorg in 22.04 if proprietary nvidia installed

[Launchpad Bug Tracker]

This bug was fixed in the package gdm3 - 41.3-1ubuntu3

---------------
gdm3 (41.3-1ubuntu3) jammy; urgency=medium

  [ Jeremy Szu ]
  * d/p/ubuntu/gdm.rules-Prefer-Wayland-with-NVIDIA-510.patch
      - default to Wayland for nvidia 510 drivers (LP: #1962523)

 -- Sebastien Bacher <seb128 at ubuntu.com>  Tue, 15 Mar 2022 13:20:58
+0100

** Changed in: gdm3 (Ubuntu)
       Status: In Progress => Fix Released

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Title:
  [Wayland][Nvidia] gdm default use Xorg in 22.04 if proprietary nvidia
  installed

Status in OEM Priority Project:
  Triaged
Status in gdm3 package in Ubuntu:
  Fix Released

Bug description:
  [Impact]

   * In Ubuntu 22.04, gdm should use Wayland by default even if proprietary nVidia driver is in use.
   * gdm upstream prefers Wayland if nvidia version newer than (or equal) to 510. It same as Ubuntu's strategy[1]. 

  [Test Plan]

  Steps:
  1. Download jammy daily build
  2. Install nvidia driver by selecting "install third-party packages.." during the installation.
  3. Login without selecting modes (e.g. "Ubuntu" or "Ubuntu on Wayland" or enable auto-login during the installation.

  [Where problems could occur]
   * If nVidia GPU doesn't support Wayland then it will be a problem but it doesn't means this patch leads a regression, instead, the problem should always there as it is if the user switches to Wayland mode no matter default mode.
   * This ticket switches the default mode to Wayland. If there is a problem then user will encounter it after the installation which has bad experience.
   * However, it's not regression because Jammy is a new LTS version and we decide to switch to Wayland. If a problem occurs, then we fix it.

  ---

  [Steps to reproduce]
  1. Download jammy daily build
  2. Install nvidia driver by selecting "install third-party packages.." during the installation.
  3. Login without selecting modes (e.g. "Ubuntu" or "Ubuntu on Wayland" or enable auto-login during the installation.

  [Expect result]
  gdm using wayland (at least with nvidia-510)

  [Actual result]
  gdm using xorg

  1) The release of Ubuntu you are using, via 'lsb_release -rd' or
  System -> About Ubuntu

  $ lsb_release -a
  No LSB modules are available.
  Distributor ID:	Ubuntu
  Description:	Ubuntu Jammy Jellyfish (development branch)
  Release:	22.04
  Codename:	jammy

  2) The version of the package you are using, via 'apt-cache policy
  pkgname' or by checking in Software Center

  $ apt policy gdm3
  gdm3:
    Installed: 41.3-1ubuntu2
    Candidate: 41.3-1ubuntu2
    Version table:
   *** 41.3-1ubuntu2 500
          500 http://tw.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
          100 /var/lib/dpkg/status

  Reference:
  [1] Ubuntu Jammy should use Wayland as default with nVidia
  https://docs.google.com/document/d/1wK4vGUXaDG2Nd7e3XGI9kDpNzReka_VOHO7sgRqce5s/edit?disco=AAAAVxVMzfA

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