gdm is a standard gnome-session, not sure how you manage to run the display control dialog in the gdm session but that's not something any standard user will manage to do or should have to do, yet once you change the settings there gdm is not doing changes but it's rather gnome-settings-daemon and xorg which are the same component that for your user session...
-- GDM disables monitor in "Same image in all monitors" mode https://bugs.launchpad.net/bugs/566726 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs