MUTTER_DEBUG_USE_KMS_MODIFIERS=0 fixes the issue for me too. I will give a new try without this variable after update 42.0-1ubuntu1 is released.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1966808 Title: [amdgpu][radeon] gnome-shell Wayland sessions fail to start (Failed to lock front buffer on /dev/dri/card1: drmModeAddFB2WithModifiers failed: Invalid argument) Status in gnome-shell package in Ubuntu: Triaged Status in mutter package in Ubuntu: Triaged Bug description: Wayland started crashing for me on upgrade to Jammy, which I'm aware is currently in alpha. gdm was crashing, and changing to lightdm addressed this issue. If I select 'Ubuntu on Xorg' - I can login without problems. If I select Wayland instead, I just get a black screen, and I have to kill gnome-session from a virtual console. ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: gnome-shell 42~beta-1ubuntu3 ProcVersionSignature: Ubuntu 5.15.0-23.23-generic 5.15.27 Uname: Linux 5.15.0-23-generic x86_64 ApportVersion: 2.20.11-0ubuntu79 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Mon Mar 28 15:23:51 2022 DisplayManager: lightdm InstallationDate: Installed on 2022-03-19 (9 days ago) InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220318) RelatedPackageVersions: mutter-common 42~beta-1ubuntu2 SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1966808/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
