Bug#667799: [3.0 -> 3.2.13 regression] Radeon KMS fails on Radeon X850XT (R480) graphics card

[Mike Brodbelt <mike@coruscant.demon.co.uk>]

On 09/04/12 15:11, Jonathan Nieder wrote:
> tags 667799 + upstream patch moreinfo
> found 667799 linux-2.6/3.3-1~experimental.1
> quit

> If you get a chance to try it, please report the result to the
> upstream bugtracker.  This information can be used to help decide
> whether and how quickly to apply the patch to mainline and the stable
> trees.

I have done basic testing. Pulling a kernel source tree for 3.3.y and 
applying the patch results in a new kernel which now boots successfully.

Currently running kernel is :-

$ uname -a
Linux mordor 3.3.1+ #5 SMP Tue Apr 10 01:53:45 BST 2012 x86_64 GNU/Linux

Which is working.... I've not tested this tree without the patch yes, so 
can't be 100% certain, but that patch is looking pretty convincing so far.

Mike