From owner-freebsd-current@FreeBSD.ORG  Thu Jul 13 19:51:22 2006
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
X-Original-To: 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 19DC416A4DD
	for <current@freebsd.org>; Thu, 13 Jul 2006 19:51:22 +0000 (UTC)
	(envelope-from ambrisko@ambrisko.com)
Received: from mail.ambrisko.com (mail.ambrisko.com [64.174.51.43])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 9A41843D46
	for <current@freebsd.org>; Thu, 13 Jul 2006 19:51:21 +0000 (GMT)
	(envelope-from ambrisko@ambrisko.com)
Received: from server2.ambrisko.com (HELO www.ambrisko.com) ([192.168.1.2])
	by mail.ambrisko.com with ESMTP; 13 Jul 2006 12:49:36 -0700
Received: from ambrisko.com (localhost [127.0.0.1])
	by www.ambrisko.com (8.13.1/8.12.11) with ESMTP id k6DJpKKb021165;
	Thu, 13 Jul 2006 12:51:20 -0700 (PDT)
	(envelope-from ambrisko@ambrisko.com)
Received: (from ambrisko@localhost)
	by ambrisko.com (8.13.1/8.13.1/Submit) id k6DJpKrZ021164;
	Thu, 13 Jul 2006 12:51:20 -0700 (PDT) (envelope-from ambrisko)
From: Doug Ambrisko <ambrisko@ambrisko.com>
Message-Id: <200607131951.k6DJpKrZ021164@ambrisko.com>
In-Reply-To: <44B667C0.9010501@samsco.org>
To: Scott Long <scottl@samsco.org>
Date: Thu, 13 Jul 2006 12:51:20 -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: John Baldwin <john@baldwin.cx>, Joao Barros <joao.barros@gmail.com>,
	current@freebsd.org
Subject: Re: [PATCH] amr(4) testers needed...
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: Thu, 13 Jul 2006 19:51:22 -0000

Scott Long writes:
| Joao Barros wrote:
| > On 7/11/06, John Baldwin <john@baldwin.cx> wrote:
| > 
| >> I have a patch for amr(4) that is a forward-port of a Scott Long patch 
| >> for 4.x
| >> that fixes some severe data corruption with amr(4) + PAE on 4.x with > 
| >> 4GB of
| >> RAM.  I need the patch tested on current though so I can get it into 
| >> HEAD and
| >> eventually into 4.x.  The patch for head is at
| >> http://www.freebsd.org/~jhb/patches/amr_head.patch  It shouldn't break
| >> anything and should basically be a nop.  I think the patch will apply 
| >> to 6.x
| >> (and possibly 5.x) as well.  Thanks!
| >>
| > 
| > I can test it on i386 without PAE. Is that test enough?
| 
| Note that this problem is only present when you're using a management
| app at the same time as heavy disk activity is going on. If you're
| not using a management app (and few people are, the lack of apps is why
| I didn't catch this in the first place), then you're completely safe.
| John's email might be taken as a little alarmist in this respect.

Hmm, I wonder why we don't see it or maybe we are :-(  We don't usually
hit the disk hard but have a management app. running.  I've seen
some strangeness.

Doug A.