Same here. Ubuntu 18.04 on Dell E7440. I was forced to switch to switch to lightdm, because gdm3 simply won't start.
Here're some logs: Jul 06 00:04:07 HOSTNAME dbus-daemon[2769]: [session uid=116 pid=2769] Activating service name='org.gnome.ScreenSaver' requested by ':1.12' (uid=116 pid=2771 comm="/usr/lib/gnome-session/gnome-session-binary --auto" label="unconfined") Jul 06 00:04:07 HOSTNAME org.gnome.ScreenSaver[2769]: Unable to init server: Could not connect: Connection refused Jul 06 00:04:07 HOSTNAME gnome-screensav[2777]: Cannot open display: Jul 06 00:04:07 HOSTNAME dbus-daemon[2769]: [session uid=116 pid=2769] Activated service 'org.gnome.ScreenSaver' failed: Process org.gnome.ScreenSaver exited with status 1 Jul 06 00:04:07 HOSTNAME gnome-session[2771]: gnome-session-binary[2771]: CRITICAL: Unable to create a DBus proxy for GnomeScreensaver: Error calling StartServiceByName for org.gnome.ScreenSaver: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Process org.gnome.ScreenSaver exited with status 1 Jul 06 00:04:07 HOSTNAME gnome-session-binary[2771]: CRITICAL: Unable to create a DBus proxy for GnomeScreensaver: Error calling StartServiceByName for org.gnome.ScreenSaver: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Process org.gnome.ScreenSaver exited with status 1 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-screensaver in Ubuntu. https://bugs.launchpad.net/bugs/1716639 Title: gnome-screensaver issue when using Wayland To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/1716639/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs