From owner-freebsd-current@FreeBSD.ORG  Mon Sep 20 02:48:10 2010
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 32AE6106564A;
	Mon, 20 Sep 2010 02:48:10 +0000 (UTC)
	(envelope-from lstewart@freebsd.org)
Received: from lauren.room52.net (lauren.room52.net [210.50.193.198])
	by mx1.freebsd.org (Postfix) with ESMTP id A111D8FC14;
	Mon, 20 Sep 2010 02:48:09 +0000 (UTC)
Received: from lstewart.caia.swin.edu.au (lstewart.caia.swin.edu.au
	[136.186.229.95])
	by lauren.room52.net (Postfix) with ESMTPSA id 4EF3E7E878;
	Mon, 20 Sep 2010 12:31:15 +1000 (EST)
Message-ID: <4C96C772.4030006@freebsd.org>
Date: Mon, 20 Sep 2010 12:31:14 +1000
From: Lawrence Stewart <lstewart@freebsd.org>
User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US;
	rv:1.9.2.9) Gecko/20100912 Lightning/1.0b2 Thunderbird/3.1.3
MIME-Version: 1.0
To: Randall Stewart <rrs@lakerest.net>
References: <EBB29842-99B9-4912-9E86-B5965F9C4201@lakerest.net>
In-Reply-To: <EBB29842-99B9-4912-9E86-B5965F9C4201@lakerest.net>
X-Enigmail-Version: 1.1.2
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY
	autolearn=unavailable version=3.3.1
X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on lauren.room52.net
Cc: FreeBSD Current <freebsd-current@freebsd.org>, avg@FreeBSD.org
Subject: Re: Crash during boot of current (rev 212885)
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: Mon, 20 Sep 2010 02:48:10 -0000

Hiya Randall!

On 09/20/10 08:56, Randall Stewart wrote:
> Hey all:
> 
> I am now seeing a crash when I boot my Intel (in 64 bit more)...
> 
> Its very early in the boot process.. and thus no crash dump ;-0
> 
> Its in
> 
> netisr_start_swi()
> 
> When it initializes netisr_mtx with a mtx_init() it crashes saying
> that netisr_mtx is unaligned... (the address ddb shows for netisr_mtx ends
> with c ... so it definitely is unaligned...
> 
> Looking at the netisr_workstream structure (where netisr_mtx is) it
> appears to be in theory aligned right (follows 2 pointers)... so
> did something change the DP_CPU Define stuff to cause us to get unaligned
> access?
> 
> Just curious... If I don't hear from anyone I will start backing things
> out 1
> rev at a time until I find what did it I guess ;-)

My guess would be r212647. Try backing that rev out and if it fixes
things, hopefully Andriy will have some thoughts on how to fix the
problem. Apologies if my guess is a red herring.

Cheers,
Lawrence