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To: asami@freebsd.org (Satoshi Asami)
cc: CVS-committers@freefall.freebsd.org, cvs-all@freefall.freebsd.org,
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Subject: Re: cvs commit: src/sys/i386/conf GENERIC LINT options.i386 src/sys/dev/aic7xxx aic7xxx.seq aic7xxx_reg.h src/sys/i386/scsi aic7xxx.c src/sys/pci aic7870.c 
In-reply-to: Your message of "Mon, 18 Nov 1996 05:58:54 PST."
             <199611181358.FAA11951@silvia.HIP.Berkeley.EDU> 
Date: Mon, 18 Nov 1996 08:48:49 -0800
From: "Justin T. Gibbs" <gibbs@freefall.freebsd.org>
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> * People using P6 systems that *require* memory mapped I/O, need to use
> * the AHC_ALLOW_MEMIO option now.  The logic was reversed because too many
> * older motherboards did not properly setup the memory mapped I/O so having
> * the driver favor this setting proved to be an "upgrade nightmare".
>
>So, you are saying instead of having P5 systems crash, the default (in
>GENERIC) is changed to make P6 systems crash? :)
>
>Satoshi

I'm sure that you could at least boot your P6 system, install, and
recompile your kernel.  This was not the case for P5 systems that couldn't
even boot with the old default.

--
Justin T. Gibbs
===========================================
  FreeBSD: Turning PCs into workstations
===========================================