via k8m890 very slow with vesa

Luc Verhaegen libv at
Sun Nov 26 14:02:40 PST 2006

On Sun, Nov 26, 2006 at 10:53:21PM +0100, Roland Scheidegger wrote:
> Henrik Lundberg wrote:
> >On Sat, 2006-11-25 at 21:53 -0500, Alex Deucher wrote:
> >>No, vesa has never supported acceleration and as the spec stands now,
> >>never will.  Are you sure you were using vesa before?  Do you have a
> >>log anyway from your old setup or any x11perf results?
> >>
> >>Alex
> >>
> >I have a log from running 7.0.0 (to my suprise ;-). I attach it...
> >
> >As you clearly state there is no acceleration in vesa driver, I think
> >there is some other problem wich didn't occur when running 7.0.0 .
> >What can I do to diagnose this, I don't know much about how X works.
> >
> >I'll run x11perf to produce some numbers. If they look strange, maybe
> >you could have a look or point me in the right direction.
> >Thank you.
> Can the vesa driver use optimized x86 assembly to access the 
> framebuffer? Using 64bit (or 128bit) mmx/sse/sse2 loads/stores could 
> probably make quite a difference accessing fb mem. In this case, some 
> compile-time options could be the culprit.
> Roland
> _______________________________________________
> xorg mailing list
> xorg at
This is time wasted. It's not that hard to provide proper K8M890 

Luc Verhaegen.

More information about the xorg mailing list