In "Re: CG4 versus 1.2", "Gordon W. Ross" <gwr@mc.com> wrote: 
> > From: Virtually Here <sellis@rohan.sdsu.edu>
> > Date: Tue, 6 Aug 1996 17:02:48 -0700 (PDT)
> > 
> > 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.
> 
> Also, if you upgrade the compiler to the latest (2.7.2) then that
> problem should disappear.
> 
>

I get the optimization problem with 2.7.2 from -current.  1.2 kernel
won't even build under 2.4.5 (or whatever the 1.1 GCC version was)
anymore..
one of the nfs server files kills it.

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