GDM/Gnome confused about screen size

[Alex Bennee]

>
> Yes, GNOME is trying to make sure you can see both panels in both monitors.
>
>> 09:07 alex at danny/x86_64 [linux-2.6-stable.git] >xrandr
>> Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 4096 x 4096
>> VGA1 connected 1440x900+0+0 (normal left inverted right x axis y axis)
>> 408mm x 255mm
<snip>
> Turn off VGA via the GNOME Display Preferences (or with xrandr -o VGA
> --off) and GNOME will reposition the panels to align with the larger
> remaining screen.

Hmmm xrandr doesn't seem to be having any effect on Gnome, although if
I turn on the second monitor I get a "No Signal" instead of a cloned
output.

23:28 alex at danny/x86_64 [~] >xrandr --output VGA1 --off
23:30 alex at danny/x86_64 [~] >xrandr
Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 2048 x 2048
VGA1 connected (normal left inverted right x axis y axis)
   1440x900       59.9 +
   1280x1024      75.0
   1024x768       75.1     70.1     60.0
   832x624        74.6
   800x600        72.2     75.0     60.3     56.2
   640x480        72.8     75.0     66.7     60.0
   720x400        70.1
DVI1 connected 1680x1050+0+0 (normal left inverted right x axis y
axis) 459mm x 296mm
   1680x1050      59.9*+
   1280x1024      75.0
   1152x864       75.0
   1024x768       75.1     70.1     60.0
   832x624        74.6
   800x600        72.2     75.0     60.3     56.2
   640x480        72.8     75.0     66.7     60.0
   720x400        70.1

Is there a setting I can add to my xorg.conf that will force the VGA1
to be off when the system first starts X?


-- 
Alex, homepage: http://www.bennee.com/~alex/
http://www.half-llama.co.uk