From mboxrd@z Thu Jan  1 00:00:00 1970
From: Robert Hancock <hancockrwd@gmail.com>
Subject: Re: [Bug #14922] 2.6.32 seemed to have broken nVidia MCP7A sata 
	controller
Date: Sun, 24 Jan 2010 20:25:06 -0600
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	 <q60Z28d_9yH.A.aX.kZMXLB@chimera>
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To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Kernel Testers List <kernel-testers@vger.kernel.org>, Jeff Garzik <jeff@garzik.org>, Mike Cui <cuicui@gmail.com>

On Sun, Jan 24, 2010 at 4:23 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> This message has been generated automatically as a part of a report
> of regressions introduced between 2.6.31 and 2.6.32.
>
> The following bug entry is on the current list of known regressions
> introduced between 2.6.31 and 2.6.32. =A0Please verify if it still sh=
ould
> be listed and let me know (either way).
>
>
> Bug-Entry =A0 =A0 =A0 : http://bugzilla.kernel.org/show_bug.cgi?id=3D=
14922
> Subject =A0 =A0 =A0 =A0 : 2.6.32 seemed to have broken nVidia MCP7A s=
ata controller
> Submitter =A0 =A0 =A0 : Mike Cui <cuicui@gmail.com>
> Date =A0 =A0 =A0 =A0 =A0 =A0: 2009-12-19 6:13 (37 days old)
> References =A0 =A0 =A0: http://marc.info/?l=3Dlinux-ide&m=3D126120323=
407742&w=3D4
> Handled-By =A0 =A0 =A0: Jeff Garzik <jeff@garzik.org>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0Robert Hancock <hancockrwd@gmail.c=
om>

It's a confirmed regression. Waiting on some lspci -nn output from the
reporter. However, for now, disabling auto-activate optimization on
all NVIDIA AHCIs may be the easiest option.