RandR + dual head - debugging

Alex Deucher alexdeucher at gmail.com
Thu May 8 02:50:27 PDT 2008

On Thu, May 8, 2008 at 5:42 AM, Andrej Krutak <andree182 at gmail.com> wrote:
> Hello,
> couldn't find this info anywhere, so I'll try to get some info here, sorry for
> bothering...
> I recently switched to ubuntu hardy - x.org 1.4.1 / xserver 7.3 (or in
> whichever order these numbers are :-)).
> I'm using dualhead configuration with recent ati drivers on ati X700 (I think
> the combination isn't the problem). I use xrandr utility to setup the
> configuration (xorg.conf didn't work - or at least there's no official
> documentation how to use xrandr there), it works pretty OK, but there's a
> catch. The command I use to set the resolution is a standard one:
> xrandr --output VGA-0 --mode 1680x1050 --right-of LVDS
> Recently (after the system upgrade) some apps begun to mess up the screen
> resolution (namely wine) when executed. The very simplest simulation of the
> problem is calling xrandr without any parameter(s).

Some apps use xvidmode extension or xrandr 1.0 calls, which don't
always work properly with xrandr 1.2 setups.


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