Update:Xorg build and performance.

[Nathan Whitehorn]

Super Biscuit wrote:
> Fbdev must be installed from ports. meta port did not install.
> Pciutils must be installed from ports.
> Module fbdevhw not found. Maybe it will need to be imported?
> Xorg -configure will not generate an xorg.conf. 
> Fatal no screens found. 
>   
There are two things you need to do:

sysctl hw.ofwfb.relax_mmap=1

And then set the UseFBDev option in xorg.conf to Off. It's a Linux-ism 
that has snuck into the Rage 128 driver.
-Nathan