A workaround is to manually create a fresh xorg.conf using "X -configure" and to edit it to use the desired virtual size.
** Attachment added: "Manually created, working xorg.conf" http://launchpadlibrarian.net/32885905/xorg.conf -- Unable to configure multiple monitors https://bugs.launchpad.net/bugs/433856 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
