Bug#575287: Same here even with 2.6.32-4-amd64

[Michel Dänzer]

On Don, 2010-03-25 at 03:15 +0100, Vedran Furač wrote: 
> Source: xserver-xorg-video-ati
> Version: 1:6.12.192-2
> 
> Current Operating System: Linux antares 2.6.32-4-amd64
> (II) [KMS] drm report modesetting isn't supported.
> (EE) RADEON(0): [dri] RADEONDRIGetVersion failed because of a version
> mismatch.
> [dri] This chipset requires a kernel module version of 1.17.0,
> [dri] but the kernel reports a version of 2.0.0.[dri] If using legacy
> modesetting, upgrade your kernel.
> [dri] If using kernel modesetting, make sure your module is
> [dri] loaded prior to starting X, and that this driver was built
> [dri] with support for KMS.
> [dri] Disabling DRI.

The above means that the X driver is using UMS whereas KMS is enabled in
the kernel. This results in a conflict for hardware access and cannot
work properly.

It's usually caused by the radeon kernel module being loaded too late.


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer