Created attachment 318027 [details]
Screen shot of failed display dialog

My workstation is a notebook (Thinkpad T60p) with two external displays. One is connected via external VGA and the other is connected via external DVI-D. In the past, I've had to keep a copy of my manually-edited xorg.conf in order to get the displays to work as expected. Milestone 7 appears not to require an xorg.conf at all, which is pretty awesome.

The way my system has been configured for the past two years is to have the DVI-D display on the left with a resolution of 1680x1050 and the VGA monitor on the right with a resolution of 1600x1200. The internal display is turned off.

The configuration that it chooses limits the frame buffer to 2560x2560. Attempts to resize the screen via xrandr fail:

jeffm@galileo:~> xrandr --fb 3280x1280
xrandr: screen cannot be larger than 2560x2560 (desired size 3280x1280)

Likewise, attempts configure it this way using the GNOME tool fail. I've attached a screen shot.

The displays are limited to both being 1280x1024, which reaches the 2560 horizontal limit.