http://bugzilla.opensuse.org/show_bug.cgi?id=1151290 http://bugzilla.opensuse.org/show_bug.cgi?id=1151290#c31 --- Comment #31 from Dr. Werner Fink <werner@suse.com> --- Adding the user sddm to the group video in /etc/group does solve the issue ... it seems that sddm has to have the permissions to open the nvidia devices below /dev Also the line xrandr --setprovideroutputsource modesetting NVIDIA-0 && xrandr --auto is not required anymore as the direct access of nvidia works in my ServerLayout section xrandr --listproviders Providers: number : 2 Provider 0: id: 0x243; cap: 0x1 (Source Output); crtcs: 0; outputs: 0; associated providers: 1; name: NVIDIA-0 Provider 1: id: 0x46; cap: 0xf (Source Output, Sink Output, Source Offload, Sink Offload); crtcs: 3; outputs: 4; associated providers: 1; name: modesetting output eDP-1-1 output DP-1-2 output HDMI-1-1 output HDMI-1-2 glxinfo | grep 'vendor string:' server glx vendor string: NVIDIA Corporation client glx vendor string: NVIDIA Corporation OpenGL vendor string: NVIDIA Corporation -- You are receiving this mail because: You are on the CC list for the bug.