Public bug reported:
After last updates, gdm login screen fails to show. With plymouth the system
freezes, without it it remains black and I may go to tty and run commands from
there.
gdm3 status is active. ubuntu-desktop and ubuntu-session are installed.
The only journalctl error that seems to be relevant is:
unix_chkpwd: could not obtain user info (gdm-greeter).
I tried:
1. Purging gdm3 and reinstalling (without it I get working prompt).
2. Purging nvidia proprietary drivers and installing different versions of them.
3. Backing up and removing /home/myusername/./config/dconf.
4. Disabling apparmor.
Nothing works.
lightdm works well, though, so I use it instead.
How can I start debugging this?
ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: gdm3 49~beta-0ubuntu2
ProcVersionSignature: Ubuntu 6.16.0-13.13-generic 6.16.0
Uname: Linux 6.16.0-13-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.33.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Aug 20 16:57:26 2025
InstallationDate: Installed on 2022-01-31 (1297 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220126)
ProcEnviron:
LANG=he_IL.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)
** Affects: gdm3 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug questing wayland-session
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https://bugs.launchpad.net/bugs/2121069
Title:
Login screen does not show
Status in gdm3 package in Ubuntu:
New
Bug description:
After last updates, gdm login screen fails to show. With plymouth the system
freezes, without it it remains black and I may go to tty and run commands from
there.
gdm3 status is active. ubuntu-desktop and ubuntu-session are installed.
The only journalctl error that seems to be relevant is:
unix_chkpwd: could not obtain user info (gdm-greeter).
I tried:
1. Purging gdm3 and reinstalling (without it I get working prompt).
2. Purging nvidia proprietary drivers and installing different versions of
them.
3. Backing up and removing /home/myusername/./config/dconf.
4. Disabling apparmor.
Nothing works.
lightdm works well, though, so I use it instead.
How can I start debugging this?
ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: gdm3 49~beta-0ubuntu2
ProcVersionSignature: Ubuntu 6.16.0-13.13-generic 6.16.0
Uname: Linux 6.16.0-13-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.33.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Aug 20 16:57:26 2025
InstallationDate: Installed on 2022-01-31 (1297 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220126)
ProcEnviron:
LANG=he_IL.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)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/2121069/+subscriptions
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