** Changed in: mutter
Status: Unknown => Fix Released
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https://bugs.launchpad.net/bugs/1966808
Title:
[radeon] gnome-shell Wayland sessions fail to start on legacy Radeon
systems (Failed to lock front buffer on /dev/dri/cardN:
drmModeAddFB2WithModifiers failed: Invalid argument)
Status in Mutter:
Fix Released
Status in mutter package in Ubuntu:
Fix Released
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.
WORKAROUND:
Add this to /etc/environment: MUTTER_DEBUG_USE_KMS_MODIFIERS=0
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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)
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