Actually stand corrected, after a couple of restarts PRIME Synchronization is now working. So until you all can provide nvidia thru Wayland X11 sessions Should be allowed..
$ xrandr --verboseScreen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384 eDP-1-1 connected primary 1920x1080+0+0 (0x46) normal (normal left inverted right x axis y axis) 345mm x 194mm Identifier: 0x42 Timestamp: 18328 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: 1 supported: 0, 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/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