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SubjectRe: PROBLEM: 2.6.29.2 - AGP doesn't work anymore on my nforce2
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On Mon, 04 May 2009 03:41:51 +0200, Shaohua Li wrote:
> On Fri, May 01, 2009 at 09:22:19PM +0800, kawime@gmx.de wrote:
>>> On Thu, 2009-04-30 at 17:59 -0700, Andrew Morton wrote:
>>>> On Thu, 30 Apr 2009 10:51:47 +0200
>>>> Karsten Mehrhoff <kawime@gmx.de> wrote:
>>>>
>>>>> [1.]
>>>>> PROBLEM: No more agp card functionality with the patch 2.6.29.2 of
>>>> 'a/drivers/char/agp/generic.c'
>>>>>
>>>>> [2.]
>>>>> I compiled the kernel 2.6.29.2 with my .config of 2.6.29.1 and run
>>>> into problems with the speed of my ATI RADEON 9600 (rv350)
>>>>>
>>>>
>>>
>>> Is your problem speed issue ? ie just a slowdown ? Or does AGP stop
>>> working with this patch ? Slowdown is expected from this patch but
>>> it should hurt too much.
>>>
>>
>> 2.6.29.1 | 2.6.29.2
>> -------- | --------
>> glxgears ~ 2900 FPS | ~ 75 FPS
>> glxgears -fullscreen ~ 500 FPS | ~ 11 FPS
> Does this patch alone give so huge slowdown? From my little knowledge,
> xserver
> does agp pages allocation only at startup.

I only reverted this patch in the source file (/drivers/char/agp/generic.c) and got back my old speed on 2.6.29.2.


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