"Jared D. McNeill" <jmcneill@invisible.yi.org> writes:

> > > Trying to squeeze every last drop of performance out of my hardware, I
> > > tried using memconfig on 1.5W:
> > >
> > > # memconfig set -b 0xce000000 -l 0xf00000 -o nv write-combine
> > > memconfig: can't set range: Invalid argument
> >
> >  You need kernel level support for MTRR.
> 
> The XFree86 aperture driver is installed:
> 
>   XFree86 aperture driver version 2.0
>   K6-family MTRR support enabled (2 registers)

 Quite strange, looks like `ioctl' failed. Could you please show the end of
 ktruss output?

Oleg