From owner-freebsd-ipfw@FreeBSD.ORG  Sun Jun 27 07:10:03 2010
Return-Path: <owner-freebsd-ipfw@FreeBSD.ORG>
Delivered-To: freebsd-ipfw@hub.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id D20F7106566B
	for <freebsd-ipfw@hub.freebsd.org>;
	Sun, 27 Jun 2010 07:10:03 +0000 (UTC)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (freefall.freebsd.org
	[IPv6:2001:4f8:fff6::28])
	by mx1.freebsd.org (Postfix) with ESMTP id C0E9C8FC13
	for <freebsd-ipfw@hub.freebsd.org>;
	Sun, 27 Jun 2010 07:10:03 +0000 (UTC)
Received: from freefall.freebsd.org (localhost [127.0.0.1])
	by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o5R7A3QS082227
	for <freebsd-ipfw@freefall.freebsd.org>; Sun, 27 Jun 2010 07:10:03 GMT
	(envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o5R7A3kg082226;
	Sun, 27 Jun 2010 07:10:03 GMT (envelope-from gnats)
Date: Sun, 27 Jun 2010 07:10:03 GMT
Message-Id: <201006270710.o5R7A3kg082226@freefall.freebsd.org>
To: freebsd-ipfw@FreeBSD.org
From: Garrett Cooper <yanefbsd@gmail.com>
Cc: 
Subject: Re: amd64/148157: IPFW in kernel nat BUG found in FreeBSD 
	8.1-PRERELEASE
X-BeenThere: freebsd-ipfw@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: Garrett Cooper <yanefbsd@gmail.com>
List-Id: IPFW Technical Discussions <freebsd-ipfw.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw>,
	<mailto:freebsd-ipfw-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-ipfw>
List-Post: <mailto:freebsd-ipfw@freebsd.org>
List-Help: <mailto:freebsd-ipfw-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw>,
	<mailto:freebsd-ipfw-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 27 Jun 2010 07:10:03 -0000

The following reply was made to PR amd64/148157; it has been noted by GNATS.

From: Garrett Cooper <yanefbsd@gmail.com>
To: Shant Kassardjian <pookme@hotmail.com>
Cc: freebsd-gnats-submit@freebsd.org
Subject: Re: amd64/148157: IPFW in kernel nat BUG found in FreeBSD 
	8.1-PRERELEASE
Date: Sun, 27 Jun 2010 00:04:16 -0700

 Hi Shant,
     Please bottom post from here on out.
 
 On Sat, Jun 26, 2010 at 11:47 PM, Shant Kassardjian <pookme@hotmail.com> wrote:
 > Hi Garrett,
 >
 >
 > I just tried to perform a kernel dump with dumpdev="YES" and had no luck, I
 > keep getting:
 
 dumpdev="<blah>" always appears to fail to me as well (contrary to
 what others have claimed). Try doing the following after booting up:
 
 dumpon `awk '$3 == swap { print $1 }'`
 
 Then you'll be able to reproduce the problem and grab the resulting
 kernel core dump.
 
 > Cannot dump. Device not defined or unavailable.
 >
 > my custom kernel is set to disable:
 >
 >
 > #options KTRACE # ktrace(1) support
 >
 > #options KDTRACE_FRAME # Ensure frames are compiled in
 > #options KDTRACE_HOOKS # Kernel DTrace hooks
 >
 > must recompile kernel to enable tracing?
 
 No.
 
 > I'm currently using the intel pro 1000 chipset / em0 driver, I've been
 > experiencing all sorts of network stability problems for a while now(ever
 > since I upgrade to stable a month ago). It looks like the em0 driver for
 > amd64 needs alot of work however a couple of days ago when I recompiled my
 > box to the latest stable 8.1-prerelease I saw alot of improvments and my
 > ipfw/dummynet firewall seems to be running stable with no crashes/lockups so
 > far...
 >
 >
 > It is very easy for me to replicate the in nat kernel problem, i just cant
 > get a dump to provide you the additional info.