Bug#699345: xserver-xorg-video-ati: Xorg crashes with, black/white screen since wheezy update to 6.14.4-6

[Julien Cristau]

On Wed, Jan 30, 2013 at 16:16:26 +0100, Patrick Matthäi wrote:

> Hi Michel,
> 
> > 6.14.4-5 doesn't support your Radeon GPU, so you're using the generic
> > driver from xserver-xorg-video-fbdev in that case.
> > I suspect your kernel is missing upstream fixes for your GPU.
> 
> True. But that also means, that users with such a GPU will have got
> a "broken" installation of Wheezy: The -radeon driver is automated
> selected by Xorg for this device, on booting/starting KDM (GDM
> whatever) the PC crashes and has to be hard resetted.
> 
> So the -radeon driver should not be selected for this device, or if
> the issue is located in the Linux kernel, the patches should be
> backported, so that it works.
> 
See
http://womble.decadent.org.uk/blog/whats-in-the-linux-kernel-for-debian-70-wheezy-part-4.html
(testing with that kernel would be welcome).

Cheers,
Julien