From owner-freebsd-current@FreeBSD.ORG  Sat Jan  3 01:22:28 2009
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 21BCC106564A
	for <freebsd-current@freebsd.org>; Sat,  3 Jan 2009 01:22:28 +0000 (UTC)
	(envelope-from hselasky@c2i.net)
Received: from swip.net (mailfe10.swipnet.se [212.247.155.33])
	by mx1.freebsd.org (Postfix) with ESMTP id AD8C58FC18
	for <freebsd-current@freebsd.org>; Sat,  3 Jan 2009 01:22:27 +0000 (UTC)
	(envelope-from hselasky@c2i.net)
X-Cloudmark-Score: 0.000000 []
X-Cloudmark-Analysis: v=1.0 c=1 a=rREUrScshOl7G2h6aTFPgw==:17 a=6I5d2MoRAAAA:8
	a=ETagwzsV7IGY0jYIyqgA:9 a=kyimxPtgPU2r6Pp_UucA:7
	a=nY98K5fygFA1iBoIUEEs1oF0vUQA:4 a=LY0hPdMaydYA:10
Received: from [62.73.248.227] (account mc467741@c2i.net [62.73.248.227]
	verified) by mailfe10.swip.net (CommuniGate Pro SMTP 5.2.6)
	with ESMTPA id 1005210074; Sat, 03 Jan 2009 02:22:25 +0100
From: Hans Petter Selasky <hselasky@c2i.net>
To: Thomas Sparrevohn <Thomas.Sparrevohn@btinternet.com>
Date: Sat, 3 Jan 2009 02:24:42 +0100
User-Agent: KMail/1.9.7
References: <495E8F00.2050309@grohnwaldt.eu> <495EAFE1.4040801@grohnwaldt.eu>
	<200901030116.45837.Thomas.Sparrevohn@btinternet.com>
In-Reply-To: <200901030116.45837.Thomas.Sparrevohn@btinternet.com>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="utf-8"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200901030224.44187.hselasky@c2i.net>
Cc: freebsd-current@freebsd.org
Subject: Re: panic on (hdd)load
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 03 Jan 2009 01:22:28 -0000

On Saturday 03 January 2009, Thomas Sparrevohn wrote:
> On Saturday 03 January 2009 00:22:57 Uwe Grohnwaldt wrote:
>
>
> This error occurs because of some DMA corruption when the PM changes was
> added to the ATA framework. The error is actually related to the USB Umass
> device.
>
> HPS has already identified the issue in the new USB stack but I don't think
> it has been solved yet ;-(
>
> Try to disable umass devices and see what happens
>

Here is the patch I've made. Probably you can or have to make the re-alignment 
unconditional.

http://perforce.freebsd.org/chv.cgi?CH=154181


--HPS