Bug#537979: xserver-xorg-video-radeon: hangs when trying to set the virtual screen resolution to 3520x1200

[Brice Goglin]

Lukasz Janyst wrote:
> Package: xserver-xorg-video-radeon
> Version: 1:6.9.0-1+lenny4
> Severity: normal
>
> Hello,
>
>    I am trying to run Xorg on two displays. I want the first of them ("HP")
> to be connected to the DVI port and use the resolution of 1920x1200 and
> the second one ("NEC") to be connected to the VGA port and use the resolution
> of 1600x1200. Also I want the NEC display to be located to the right of the
> HP display. Please refer to the attached configuration file for details.
> When I try to start the xserver with this configuration it displays
> garbage one the screens and hangs.
>
>    Everything works as expected when I decrease the resolution of the NEC
> display to 1400x1050 and set the virtual screen to the resolution of 3456x1200.
> Trying to increase the horizontal component of the resolution to be more
> than 3456 causes the xserver to hang.
>   

Can you try a more recent radeon or radeonhd driver? Support for your
board is probably fairly young in 6.9.0.

You may either upgrade xserver-xorg-core and the driver to unstable, or
just use one of recent driver builds from
http://people.debian.org/~bgoglin/rebuilds/Xserver1.4/

Brice