From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan <alan@lxorguk.ukuu.org.uk>
Subject: Re: ahci problems with sata disk.
Date: Mon, 15 Jan 2007 11:36:33 +0000
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To: kenneth johansson <ken@kenjo.org>
Cc: Tejun Heo <htejun@gmail.com>, linux-ide@vger.kernel.org

> also the disk is a Westen Digital raptor and it's probably the most
> benchmarked drive one could get so I was not expecting a problem with
> the drive. 

A lot of early NCQ firmware seems to reduce performance and cause
problems. At least one other raptor is in our "don't NCQ" list in the
kernel drivers.