Re: PROBLEM: 2.6.29.2 - AGP doesn't work anymore on my nforce2

Shaohua Li
2009-05-04T01:42:08Z

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.