Hello all.

Here is an unpdated version of the patch I posted last week that enables 
AGP support for i820 chipset. This one has been done against 2.4.13-ac7, 
_but_ not tested under this kernel. However, it works fine under 2.4.9 
Redhat's kernel (i.e. close to a 2.4.9-ac kernel I think). Xfree-4.1, 
openGL apps and Quake3 are running smoothly.

It seems to me like the 'generic' Intel agp driver used previously was 
writing over some 'reserved' bits in the 'intel_cleanup' and 
'intel_tlbflush' routines. I must admit this has not caused any problem 
on my machine so far, but this might have been luck...
Anyway, the proposed patch aims to fix these potential troublemakers. If 
anyone is willing to test it under 2.4.13-ac7, I would appreciate to 
have some feedback.

The patch against 2.4.9-x (as well as the 2.4.13-ac7 one) is available 
at the URL: http://ltswww.epfl.ch/~aspert/patches

Nicolas.

PS: As usual CC your remarks/comments/flames to me as I am not 
subscribed to the list
-- 
Nicolas Aspert      Signal Processing Laboratory (LTS)
Swiss Federal Institute of Technology (EPFL)