Paulo Alexandre Pinto Pires just said:
> 
> I am trying to build an 1.2 kernel but when I boot the new kernel
> it hangs when probing CG4 (on a 3/60).  If I disable cgfour in
> my config file, will I be able to safely run color X11R6?
> 

Try compiling the kernel (or maybe just subr_autoconf.c) with -O
instead of -O2, and see if that helps.  On my system (and at least
one other), using -O2 caused an MMU Fault after cg4 was detected.

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