Don't see it crashing X11 session here at all, 17.10 - $ echo $DESKTOP_SESSION ubuntu
sudo cat /sys/module/nvidia_drm/parameters/modeset Y (- But the disappointing thing is this - $ xrandr --verbose Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384 eDP1 connected primary 1920x1080+0+0 (0x48) normal (normal left inverted right x axis y axis) 350mm x 190mm Identifier: 0x43 Timestamp: 14688 Subpixel: unknown Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: CRTC: 0 CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: _MUTTER_PRESENTATION_OUTPUT: 0 EDID: 00ffffffffffff0030e4d90200000000 00150103802313780a15d59e59509826 0e505400000001010101010101010101 0101010101017e3680b070381f403020 350059c2100000190000000000000000 00000000000000000000000000fe004c 4720446973706c61790a2020000000fe 004c503135365746312d544c4232004b PRIME Synchronization: 0 supported: 0, 1 So currently - no nvidia support in gdm3/wayland nvidia support in gdm3/xserver-xorg but no PRIME Synchronization support. i.e., a complete fail in Ubuntu all around -- 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/1697882 Title: GDM should not allow X11 sessions when NVIDIA's KMS is enabled To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1697882/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs