Ubuntu
mutter package

  1. Bug #2066931
  2. Comment #8

Comment 8 for bug 2066931

Revision history for this message
Daniel van Vugt (vanvugt) wrote : Re: gdm login screen in noble does not display on wayland

It's failing to display on the integrated Intel GPU because it couldn't negotiate a pixel format that's also compatible with the discrete GPU (nouveau):

May 22 16:25:39 homer gnome-shell[4809]: Failed to lock front buffer on /dev/dri/card1: drmModeAddFB2 failed (Invalid argument) and drmModeAddFB cannot be used as a fallback because format=0x30335241 (AR30).
May 22 16:25:39 homer gnome-shell[4809]: (../clutter/clutter/clutter-frame-clock.c:495):clutter_frame_clock_notify_ready: code should not be reached

That's upstream bug https://gitlab.gnome.org/GNOME/mutter/-/issues/3389, fixed in mutter 46.1.