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Date: Sun, 19 Apr 2009 11:59:32 -0500
From: "Zane C.B." <v.velox@vvelox.net>
To: Bruce Cran <bruce@cran.org.uk>
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Cc: "mac.tc" <raszobbi@gmail.com>,
	Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>,
	freebsd-questions@freebsd.org
Subject: Re: write_dma error
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On Sun, 19 Apr 2009 14:36:40 +0100
Bruce Cran <bruce@cran.org.uk> wrote:

> On Sun, 19 Apr 2009 08:49:10 -0400
> Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> wrote:
>=20
> > Hmm.  ICRC errors are about the controller talking to the disk
> > electronics.  They don't generally have anything to do with the=20
> > magnetic medium itself.
> >=20
> > Try replacing the cable.
>=20
> The only time I've seen ICRC errors was when FreeBSD was programming
> UDMA100 mode when I only had a UDMA33 cable installed. Overridding
> the mode using atacontrol solved it, as did installing a UDMA66
> cable.

I've seen the issue quit often in cheap, or long, UDMA100 cables as
well.

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