xrandr output in rootless session:
igor:~% ps aux | grep Xorg igor 3779 3.2 0.0 199348 51332 tty3 S+ 15:49 0:00 /usr/lib/xorg/Xorg vt3 -displayfd 3 -auth /run/user/1000/gdm/Xauthority -background none -noreset -keeptty -verbose 3 igor:~% xrandr -q Screen 0: minimum 8 x 8, current 1920 x 1200, maximum 32767 x 32767 DVI-D-0 connected primary 1920x1200+0+0 (normal left inverted right x axis y axis) 518mm x 324mm 1920x1200 59.95*+ 1920x1080 60.00 1680x1050 59.95 1600x1200 60.00 1280x1024 60.02 1280x960 60.00 1024x768 60.00 800x600 60.32 640x480 59.94 HDMI-0 disconnected (normal left inverted right x axis y axis) DP-0 disconnected (normal left inverted right x axis y axis) DP-1 disconnected (normal left inverted right x axis y axis) DP-2 disconnected (normal left inverted right x axis y axis) DP-3 disconnected (normal left inverted right x axis y axis) DP-4 disconnected (normal left inverted right x axis y axis) DP-5 disconnected (normal left inverted right x axis y axis) lightdm works, because it starts Xorg as root for itself, which causes monitor initialization and consequently later started rootless session work fine. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1672033 Title: Xorg does not detect displays in rootless mode on nvidia proprietary drivers (GNOME) To manage notifications about this bug go to: https://bugs.launchpad.net/nvidia-drivers-ubuntu/+bug/1672033/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp