Bug#580955: xserver-xorg-video-radeon: Only one screen working on my dual-screen setup

[Jerome Glisse]

On Mon, May 10, 2010 at 09:13:22AM +0200, Matthieu Baechler wrote:
> Package: xserver-xorg-video-radeon
> Version: 1:6.13.0-1
> Severity: important
> Tags: sid
> 
> For a long time now, radeon driver has been unable to use my second screen.
> For xrandr, the screen is working properly, but it remains black.
> 
> For this reason, I use the radeonhd driver that, despite it's weaknesses,
> manage to get my two screen to display my desktop.
> 
> But since KMS is enabled by the last linux kernel, radeonhd display strange
> things on my screens, and is no longer usable.
> 
> It's also interesting to know that KMS has the same problem than the radeon
> driver : as soon as it's loaded, only one screen displays console output.
> 
> Conclusion is : I can't use my dual-screen setup on the current sid, which is
> pretty sad.
> 

Don't use radeonhd with KMS, radeonhd doesn't support KMS and only
bad thing can happen. Did you opened a bug about your issue ?
Best is to open a bug against KMS.

Cheers,
Jerome