linux-kernel - Re: Frequent SATA resets with sata

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Message-Id: <200706261929.34303.hus@design-d.de>
Date:	Tue, 26 Jun 2007 19:29:34 +0200
From:	Heinz Ulrich Stille <hus@...ign-d.de>
To:	linux-kernel@...r.kernel.org
Cc:	ide <linux-ide@...r.kernel.org>
Subject: Re: Frequent SATA resets with sata_nv (fwd)

On Tuesday 26 June 2007, Matthew "Cheetah" Gabeler-Lee wrote:
> On Sun, 24 Jun 2007, Robert Hancock wrote:
> I selected that model in part because it at least claimed to support
> NCQ.  I'm not sure if it reflects NCQ or not, but I do have
> /sys/block/sd[abc]/device/queue_{depth,type} which show simple and 31
> respectively.  Samsung's page for the drive also says it supports NCQ:

I seem to have the same problem, just not as frequent: four drives of this
type, connected to an SiI 3132 and an nVidia MCP55; resets occur on both
controllers, and only with this drive type, not with several Maxtor 6B200M0.
I never thought to check, but all drives on the nv controller have NCQ
disabled according to /sys/block. So maybe it's not (directly) NCQ related?

MfG, Ulrich

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