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Re: glxgears slow under 2.6, fast under 2.4



On Friday 08 October 2004 03:28, Ric Otte wrote:
> On Thu, Oct 07, 2004 at 10:19:39AM -0600, Justin Guerin wrote:
> > Just a guess, but did you reconfigure X to run at a nice value of 0?  The
> > 2.4 kernels ran best when X was niced to -10, but with the 2.6
> > anticipatory scheduler, it turns out to be a bad thing.
> >
> > Also, check out your /etc/modules contents.  Are you trying to load some
> > modules you shouldn't?
...
>
> Nice was at -10, so I changed it to run at 0; it didn't make a
> difference.  Yes, direct rending was still off in 2.6.8.1.  I looked
> at my /etc/modules, and found
> parport_pc
> emu10k1
> 8139too
> usb-uhci
> hid
> ide-scsi
> ide-cd

You need to ensure that the correct modules agp for your motherboard is loaded 
as well as agpgart, and the module for your video card.

For instance I have

agpgart
sis-agp
radeon

in my /etc/modules.


Look closely at /var/log/Xfree86.log to see what it says about not loading 
DRI.

-- 
Alan Chandler
alan@chandlerfamily.org.uk
First they ignore you, then they laugh at you,
 then they fight you, then you win. --Gandhi



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