Public bug reported:

[Steps to reproduce]
1. Install Jammy daily build
2. dist-upgrade to verify https://bugs.launchpad.net/mutter/+bug/1964037
3. reboot with no attach monitor
4. attach monitor after booting

[Expect result]
external monitor works directly

[Actual result]
system go back to gdm login screen

[Additional information]
1. the external port is connecting to dGPU.
2. happens on wayland only
3. Only back to login screen in 1st attach, 2nd, 3rd, etc.. works good

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: mutter (not installed)
ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
Uname: Linux 5.15.0-25-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu81
Architecture: amd64
CasperMD5CheckResult: pass
Date: Thu Apr 14 21:22:47 2022
InstallationDate: Installed on 2022-04-13 (0 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Daily amd64 (20220409)
SourcePackage: mutter
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: oem-priority
     Importance: Critical
     Assignee: jeremyszu (os369510)
         Status: Confirmed

** Affects: mutter (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy jiayi nvidia nvidia-wayland oem-priority 
wayland wayland-session

** Also affects: oem-priority
   Importance: Undecided
       Status: New

** Tags added: oem-priority

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/1969121

Title:
  System fallback to gdm login screen when hot-plugging a external
  monitor in 1st time

Status in OEM Priority Project:
  Confirmed
Status in mutter package in Ubuntu:
  New

Bug description:
  [Steps to reproduce]
  1. Install Jammy daily build
  2. dist-upgrade to verify https://bugs.launchpad.net/mutter/+bug/1964037
  3. reboot with no attach monitor
  4. attach monitor after booting

  [Expect result]
  external monitor works directly

  [Actual result]
  system go back to gdm login screen

  [Additional information]
  1. the external port is connecting to dGPU.
  2. happens on wayland only
  3. Only back to login screen in 1st attach, 2nd, 3rd, etc.. works good

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: mutter (not installed)
  ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
  Uname: Linux 5.15.0-25-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu81
  Architecture: amd64
  CasperMD5CheckResult: pass
  Date: Thu Apr 14 21:22:47 2022
  InstallationDate: Installed on 2022-04-13 (0 days ago)
  InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Daily amd64 (20220409)
  SourcePackage: mutter
  UpgradeStatus: No upgrade log present (probably fresh install)

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