So it's a limitation of userland mode setting, and since we default to KMS now it shouldn't be an issue anymore. UMS is largely unsupported by us on -ati, -intel and -nouveau only support KMS.
** Package changed: libxrandr (Ubuntu) => xserver-xorg-video-ati (Ubuntu) ** Changed in: xserver-xorg-video-ati (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/476357 Title: External monitor will not activate (cannot find crtc for output) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/476357/+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