I saw this and worked around it by reverting to gdm-2.20.1-5.fc8. Are you running Intel graphics? I notice this in /var/log/gdm/:0.log: (EE) intel(0): I830 Vblank Pipe Setup Failed 0 (EE) intel(0): I830 Vblank Pipe Setup Failed 0 (EE) intel(0): I830 Vblank Pipe Setup Failed 0 tom -- fedora-test-list mailing list fedora-test-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-test-list