Bug#661943: xserver-xorg-video-radeon: Unable to set native resolution with KMS enabled

[Alex Deucher]

On Mon, Mar 5, 2012 at 12:42 PM, Christopher Dow
<christopher.dow at allstardirectories.com> wrote:
> Unfortunately, my problem is that I can't change the display modes to the native resolution.  Even with one display disabled, I still can't set the native resolution.  I get the same "input timing not supported" message every time I have tried.
>
> It wouldn't be a problem if the default was not what I wanted but I could change to the correct resolution.
>
> Most of my attempts to change the resolution have been been using the KDE display tool (which, as I understand, uses xrandr underneath).  However, I've also attempted to use xrandr directly.
>

What mode gets picked when you start up with a single display
attached?  Can you attach your xorg log with a single display?  Does
the console pick the correct mode before X starts?