Bug#796050: xserver-xorg-video-radeon: Xorg does not start on ATI/AMD RadeonHD4670 on PowerPC G5 QuadCore

Michel Dänzer michel at daenzer.net
Tue Aug 18 20:05:55 PDT 2015

On 19.08.2015 05:55, Gianluca Renzi wrote:
> * What led up to the situation?
> As soon as I installed the ATI Radeon HD4670 PCI-Express 1GB DDR3 on
> the PCI Express SLOT and upgrading from Jessie to Sid/Stretch
> * What exactly did you do (or not do) that was effective (or 
> ineffective)?
> On the kernel cmd line I forced the PCI-EXPRESS VideoCard NVIDIA 6600
> to nouveau.modeset=0 and the radeon.modeset=1 just to use the latter
> card as system output
> * What was the outcome of this action?
> Simply the Xorg does not start at all.


> [  3578.790] (II) [KMS] Kernel modesetting enabled.

This message means the driver probe hook returns TRUE.

> [  3578.791] (EE) No devices detected.

So I'm not sure why Xorg would say this. Looks like a Xorg bug.

Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer

More information about the xorg-driver-ati mailing list