Hello Michelet, or anyone else affected,

Accepted mutter into lunar-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/mutter/44.0-2ubuntu4.23.04.1 in a
few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
lunar to verification-done-lunar. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-lunar. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: mutter (Ubuntu Lunar)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-lunar

-- 
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/1987976

Title:
  firefox black window on wayland

Status in Mozilla Firefox:
  Unknown
Status in Mutter:
  New
Status in Release Notes for Ubuntu:
  Fix Released
Status in firefox package in Ubuntu:
  Invalid
Status in mutter package in Ubuntu:
  Fix Released
Status in mutter source package in Lunar:
  Fix Committed

Bug description:
  [ Impact ]

  On some systems, when you open the Firefox snap right after having
  logged in into an Ubuntu on Wayland session, you are met by a black
  window. This happens because the FF snap is run under Xwayland, and
  Xwayland may not be enabled early enough to handle the start of the
  application properly.

  You can easily reproduce the issue in a Wayland session:

  * Close Firefox
  * Run the command "killall Xwayland" in terminal
  * Open Firefox

  An upstream mutter change addresses this issue, and the proposed lunar
  change cherry picks that upstream change as a patch.

  [ Test Plan ]

  On an updated Ubuntu 23.04:

  * Install the mutter related binaries from lunar-proposed

  * Reboot and log in to an Ubuntu on Wayland session

  * Run the command "killall Xwayland"

  * Open the Firefox snap, and find that it starts normally

  [ Where problems could occur ]

  This is the upstream merge request in question:

  https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2970

  The changes (except for the test related ones) are small, and
  specifically intended to address issues like the one reported in this
  bug. There are also reviews by a couple of experienced GNOME devs.

  So even if the proposed change is not well tested yet, it seems to me
  that the risk for adverse side effects is limited.

  [ Original description ]

  nicolas@nicolas-fixe:~$ lsb_release -rd
  Description:  Ubuntu 22.04.1 LTS
  Release:      22.04

  nicolas@nicolas-fixe:~$ apt-cache policy firefox
  firefox:
    Installé : 1:1snap1-0ubuntu2
    Candidat : 1:1snap1-0ubuntu2
   Table de version :
   *** 1:1snap1-0ubuntu2 500
          500 http://fr.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
          100 /var/lib/dpkg/status

  When I boot Ubuntu and start Firefox, the Firefox's window is totally
  black. See attachment.

  I am at your disposal to answer any question you have.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: firefox 1:1snap1-0ubuntu2
  ProcVersionSignature: Ubuntu 5.15.0-46.49-generic 5.15.39
  Uname: Linux 5.15.0-46-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Aug 28 12:42:29 2022
  InstallationDate: Installed on 2022-08-25 (2 days ago)
  InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 
(20220809.1)
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  Snap.Changes: aucun changement trouvé
  SourcePackage: firefox
  UpgradeStatus: No upgrade log present (probably fresh install)

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