From owner-freebsd-current@FreeBSD.ORG  Tue Oct 26 05:00:00 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 C3B7216A4CE
	for <freebsd-current@FreeBSD.org>;
	Tue, 26 Oct 2004 05:00:00 +0000 (GMT)
Received: from outbound0.sv.meer.net (outbound0.sv.meer.net [205.217.152.13])
	by mx1.FreeBSD.org (Postfix) with ESMTP id ACBD643D1F
	for <freebsd-current@FreeBSD.org>;
	Tue, 26 Oct 2004 04:59:58 +0000 (GMT)
	(envelope-from gnn@neville-neil.com)
Received: from mail.meer.net (mail.meer.net [209.157.152.14])
	i9Q4xHa2048655;	Mon, 25 Oct 2004 21:59:17 -0700 (PDT)
	(envelope-from gnn@neville-neil.com)
Received: from minion.local.neville-neil.com (pc1.oakwoodazabu1-unet.ocn.ne.jp
	[220.110.140.201])
	by mail.meer.net (8.12.10/8.12.2/meer) with ESMTP id i9Q4xFPw001266;
	Mon, 25 Oct 2004 21:59:15 -0700 (PDT)
	(envelope-from gnn@neville-neil.com)
Date: Tue, 26 Oct 2004 13:59:14 +0900
Message-ID: <m21xfmdqhp.wl@minion.local.neville-neil.com>
From: gnn@FreeBSD.org
To: Marcus Grando <marcus@corp.grupos.com.br>
In-Reply-To: <417DBB32.9060903@corp.grupos.com.br>
References: <417DBB32.9060903@corp.grupos.com.br>
User-Agent: Wanderlust/2.10.1 (Watching The Wheels) SEMI/1.14.5 (Awara-Onsen)
	FLIM/1.14.5 (Demachiyanagi) APEL/10.5 Emacs/21.2 (powerpc-apple-darwin)
	MULE/5.0 (SAKAKI)
MIME-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen")
Content-Type: text/plain; charset=US-ASCII
cc: freebsd-current@FreeBSD.org
Subject: Re: Strange problem with em0 and switch half/full duplex
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, 26 Oct 2004 05:00:00 -0000

At Mon, 25 Oct 2004 23:49:22 -0300,
Marcus Grando wrote:
> 
> Hi,
> 
> I have a strange problem with em0 and half-duplex/full-duplex mode.
> 
> For example, if connect em0 in one switch and they negotiated 
> half-duplex, after that remove this cable and connect in another switch 
> full-duplex, panic occurs.
> 
> System: cvsup RELENG_5_3 (3 days ago).
> 

Howdy,

	Can you get a backtrace of the panic or any other information?
	Just knowing that this panics the system doesn't help those of
	us without similar hardware to help diagnose the problem.

Thanks,
George