Public bug reported:
In the last two kernel updates, 6.8.0-79-generic and 6.8.0-72-generic,
when logging in, Wayland sessions seem to hang and dump to a black
screen.
Temporary fix to the issue was editing /etc/gdm3/custom.conf to pass
WaylandEnable=false
gdm3 42.0-1ubuntu7.22.04.4
Version:
lsb_release -rd
No LSB modules are available.
Description: Ubuntu 24.04.3 LTS
Release: 24.04
lspci output below:
lspci | grep VGA
03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Navi
23 [Radeon RX 6650 XT / 6700S / 6800S] (rev c3)
09:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Rembrandt [Radeon 680M] (rev c8)
GDM3 version:
apt list --installed gdm3
Listing... Done
gdm3/noble-updates,now 46.2-1ubuntu1~24.04.1 amd64 [installed]
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: gdm3 46.2-1ubuntu1~24.04.1
ProcVersionSignature: Ubuntu 6.8.0-79.79-generic 6.8.12
Uname: Linux 6.8.0-79-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Aug 30 23:28:30 2025
InstallationDate: Installed on 2025-07-17 (45 days ago)
InstallationMedia: Ubuntu 22.04.5 LTS "Jammy Jellyfish" - Release amd64
(20240911)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: gdm3
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.gdm3.custom.conf: 2025-08-30T23:22:16.587618
** Affects: gdm3 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2121756
Title:
When logging in, login screen hangs and dumps to a black screen
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