Public bug reported:
Hello,
This issue is probably linked to bug #2128840, but in my case,
MUTTER_DEBUG_FORCE_EGL_STREAM env var is not set.
In short, upgrading to gdm3 46.2-1ubuntu1~24.04.3 and rebooting, caused
the desktop could not be reached: black screen only. Removing the
Automatic Login entries from /etc/gdm3/custom.conf and rebooting fixed
the issue. Downgrading to the previous version (46.2-1ubuntu1~24.04.1)
also fixed the issue.
System info will be shared in the next comment(s).
Note: the issue is visible on a laptop I don't own, and I don't easily
have access. I tried to provide as much data as I could, but "quick
tests" might be difficult.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: gdm3 46.2-1ubuntu1~24.04.3
ProcVersionSignature: Ubuntu 6.8.0-86.87-generic 6.8.12
Uname: Linux 6.8.0-86-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Oct 24 19:29:50 2025
InstallationDate: Installed on 2021-11-23 (1431 days ago)
InstallationMedia: Ubuntu 21.10 "Impish Indri" - Release amd64 (20211012)
SourcePackage: gdm3
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.gdm3.custom.conf: 2025-10-24T19:28:32.230086
** Affects: gdm3 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2129777
Title:
Automatic Login with latest gdm3 is broken
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