*BSD News Article 61712


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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Mach64 Xserver problem.
Date: 19 Feb 1996 00:46:27 GMT
Organization: Private BSD site, Dresden
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Message-ID: <4g8h93$93e@uriah.heep.sax.de>
References: <MAGNER.96Feb12110112@hstud1.cs.uit.no> <4fs5mp$hcg@uriah.heep.sax.de> <4g1fma$f33@prometheus.algonet.se> <4g2jcc$2bq@overload.lbl.gov>
Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
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jin@gracie.lbl.gov (Jin Guojun[ITG]) writes:

> >>They also require a fix (or hack) to prevent the kernel from stomping
> >>over register 0x2e8 during sio probing.
> >
> >So, please tell me, were do I find this fix? 
> 
> I believe that you need to disable sio3 and higher. Just leave sio[0-1]
> confiured. You can do it with boot -c or rebuild the kernel.

Unfortunately, this is not sufficient.

Grep the file /sys/i386/isa/sio.c for "0x2e8", and remove the
", 0x2e8" string.  This should get you going.

(In order to bootstrap at all, disable *all* sio ports first, until
you can rebuild a kernel.)

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)