It looks like that's a genuine driver restriction. I didn't think that fglrx had this restriction, though. I'll ask our fglrx expert, Alberto Milone about it.
** Package changed: xorg-server (Ubuntu) => fglrx-installer (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/856312 Title: Cant set resolution with two monitors To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/856312/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs