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Date: Fri, 14 Jan 2005 15:37:14 +0100 (CET)
From: Michael Class <michaelc@tmbbobmc.bbn.hp.com>
To: Matthias Andree <matthias.andree@gmx.de>
In-Reply-To: <m3ekgppbej.fsf@merlin.emma.line.org>
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cc: Michael Class <michael.class@gmx.de>
cc: current@freebsd.org
Subject: Re: SIL3112 and Maxtor 6Y160M0 SATA Disk: DMA Failure
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On Thu, 13 Jan 2005, Matthias Andree wrote:

> Michael Class <michael.class@gmx.de> writes:
>
>> recently I have added a cheap SIL3112 SATA controller in my system.
>
> The chip is buggy.
>
> Does the seller offer you to return that product and buy something else
> in exchange? If recently is within a week or two, some offer such
> "Umtausch" options.

Well, I have read the sourcecode of the ata driver and found that there
are two revisions of that chip. For the older one there is some special
workaround. And if I remember well, that was about having two disks
on one controller causing problems. I do have the newer revision of the chip.
Up so far I have not read that these controllers do not work at all
on FreeBSD.

Yes, for sure I could exchange this controller, but unless we do a
formal announcement that this controller will not be supported in FreeBSD,
I do think that we will cause problems for FreeBSD reputation as these
contollers are fairly widespread. I am not in an urgent need to have this 
working, so I am open to help with testing.

Michael