Here seem to be the most important issues found journalctl -b | grep -i gnome
Sep 07 15:07:32 bohm org.gnome.Shell.desktop[2734]: MESA: error: ZINK: failed to choose pdev Sep 07 15:07:32 bohm org.gnome.Shell.desktop[2734]: libEGL warning: egl: failed to create dri2 screen Sep 07 15:07:32 bohm org.gnome.Shell.desktop[2734]: MESA: error: ZINK: failed to choose pdev Sep 07 15:07:32 bohm org.gnome.Shell.desktop[2734]: glx: failed to create drisw screen Grepping for gdm shows this error: Sep 07 15:07:31 bohm /usr/libexec/gdm-wayland-session[2199]: dbus-daemon[2199]: [session uid=110 pid=2199] Activating service name='org.freedesktop.systemd1' requested by ':1.10' (uid=110 pid=2460 comm="/usr/libexec/gsd-sharing" label="unconfined") Sep 07 15:07:31 bohm /usr/libexec/gdm-wayland-session[2199]: dbus-daemon[2199]: [session uid=110 pid=2199] Activated service 'org.freedesktop.systemd1' failed: Process org.freedesktop.systemd1 exited with status 1 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm3 in Ubuntu. https://bugs.launchpad.net/bugs/2079843 Title: gdm3 fails after release upgrade, have to use lightdm To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/2079843/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs