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Date: Wed, 19 Mar 1997 21:53:39 -0800 (PST)
From: Jaye Mathisen  <mrcpu@cdsnet.net>
To: Tom Samplonius <tom@uniserve.com>
cc: freebsd-current@FreeBSD.ORG,
        "Justin T. Gibbs" <gibbs@freefall.freebsd.org>
Subject: Re: ahc problems with 2.2+
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I don't know specifically about your case, but on one motherboard I had,
turning off the allow_memio fixed my problems completely.  Apparently on
the 3940, some MB BIOS's don't initialize the PCI bridge correctly.  Or
ast least, I think that was a simplification of what Justin once told me.

In any case, since I stopped using MEMIO for this particular MB, it's
worked fine.

On Wed, 19 Mar 1997, Tom Samplonius wrote:

> 
> I'm using 2.2 (plus all post-release patches, cvsup'ped today) on an
> Adaptec 3940UW
> 
> I have all allowmemio, tagenable, and scbpaging turned on.
> 
> Every few hours of operation I get:
> 
> sd4(ahc0:4:0): Unknown SCSIINT. Status = 0x0
> 
> 
> continously repeating on the console.  At this point, the system is
> effectively dead.  After a few minutes of that, it reboots.
> 
>   What's a likely suspect here?  scbpaging?
> 
> Tom
>