From owner-freebsd-current@FreeBSD.ORG  Mon May 31 20:51:23 2004
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 411EB16A4CE
	for <current@freebsd.org>; Mon, 31 May 2004 20:51:23 -0700 (PDT)
Received: from mail.ambrisko.com (adsl-64-174-51-43.dsl.snfc21.pacbell.net
	[64.174.51.43])	by mx1.FreeBSD.org (Postfix) with ESMTP id 0156443D39
	for <current@freebsd.org>; Mon, 31 May 2004 20:51:23 -0700 (PDT)
	(envelope-from ambrisko@ambrisko.com)
Received: from server2.ambrisko.com (HELO www.ambrisko.com) (192.168.1.2)
  by mail.ambrisko.com with ESMTP; 31 May 2004 20:51:22 -0700
Received: from ambrisko.com (localhost [127.0.0.1])
	by www.ambrisko.com (8.12.9p2/8.12.9) with ESMTP id i513pMjd085954;
	Mon, 31 May 2004 20:51:22 -0700 (PDT)
	(envelope-from ambrisko@ambrisko.com)
Received: (from ambrisko@localhost)
	by ambrisko.com (8.12.9p2/8.12.9/Submit) id i513pLDW085953;
	Mon, 31 May 2004 20:51:21 -0700 (PDT)
	(envelope-from ambrisko)
From: Doug Ambrisko <ambrisko@ambrisko.com>
Message-Id: <200406010351.i513pLDW085953@ambrisko.com>
In-Reply-To: <572099044.20040520094258@eircom.net>
To: Tony Byrne <byrnehq@eircom.net>
Date: Mon, 31 May 2004 20:51:21 -0700 (PDT)
X-Mailer: ELM [version 2.4ME+ PL94b (25)]
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset=US-ASCII
cc: current@freebsd.org
Subject: Re: Lockups with Intel ICH5 SATA
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
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: Tue, 01 Jun 2004 03:51:23 -0000

Tony Byrne writes:
| In recent weeks my FreeBSD current box has been experiencing frequent
| hard lockups.  Seldom a day goes by without the machine freezing
| solid.  My hunch is that this is somehow related to the onboard Intel
| ICH5 controller and SATA HD, because during reboot after a lockup,
| the machine often complain of a DMA timeout that hangs the box
| while reading from the SATA drive.

FYI, if the drive has a media error or does a spin down/spin up sequence
things will hang since the ata driver currently doesn't deal with the
SATA PHY registers.  After a while of ignoring various issues flagged
in these bits your system will lock up solid on a inb/outb to the controller.

Doug A.