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Date:      Mon, 5 Nov 2001 13:22:18 -0600 (CST)
From:      Mike Silbersack <silby@silby.com>
To:        Wilko Bulte <wkb@freebie.xs4all.nl>
Cc:        "Matthew N. Dodd" <winter@jurai.net>, <freebsd-scsi@FreeBSD.ORG>, <freebsd-hackers@FreeBSD.ORG>, <sos@FreeBSD.ORG>
Subject:   Re: ahc(4) reports PCI parity error interrupt
Message-ID:  <20011105131907.W29695-100000@achilles.silby.com>
In-Reply-To: <20011105200905.A75146@freebie.xs4all.nl>

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On Mon, 5 Nov 2001, Wilko Bulte wrote:

> > Soren has said in the past that some companies only apply the patch if a
> > SB Live is detected.  You may wish to try pulling in the patch from
> > ata-pci.c (look for "VIA '686b southbridge fix applied\n") and see if it
> > helps you at all.
>
> I have not yet tried this yet. But I tried something else
> (my EE genes made me try this):
>
> - I moved the Brooktree TV card from the slot furthest from the AGP
>   video card to the PCI slot closest to it.
>
> Interestingly enough this made all the PCI errors go away, I ran continous
> buildworlds overnight, in parallel with continuous 'dd's of da0 and ad0,
> in parallel with fxtv.
>
> All of this ran without a hitch. Interesting..
>
> W/
> --
> |   / o / /_  _   		email: 	wilko@FreeBSD.org
> |/|/ / / /(  (_)  Bulte		Arnhem, The Netherlands

Hm... I was at a talk once where an HP EE mentioned that pci slots should
be filled in order due to capacitance and timing issues.  I didn't pay
much attention to that, perhaps I should follow that layout in the future.
I really don't like putting cards near the overly warm AGP video card
though... oh well.

Mike "Silby" Silbersack


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