From owner-freebsd-current@FreeBSD.ORG  Wed Nov 17 22:15:38 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 AF91A10656C9;
	Wed, 17 Nov 2010 22:15:38 +0000 (UTC) (envelope-from dim@FreeBSD.org)
Received: from tensor.andric.com (cl-327.ede-01.nl.sixxs.net
	[IPv6:2001:7b8:2ff:146::2])
	by mx1.freebsd.org (Postfix) with ESMTP id 6CDB08FC12;
	Wed, 17 Nov 2010 22:15:38 +0000 (UTC)
Received: from [IPv6:2001:7b8:3a7:0:35d6:3174:5c3b:5304] (unknown
	[IPv6:2001:7b8:3a7:0:35d6:3174:5c3b:5304])
	(using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits))
	(No client certificate requested)
	by tensor.andric.com (Postfix) with ESMTPSA id A7EDC5C43;
	Wed, 17 Nov 2010 23:15:37 +0100 (CET)
Message-ID: <4CE4540C.9050409@FreeBSD.org>
Date: Wed, 17 Nov 2010 23:15:40 +0100
From: Dimitry Andric <dim@FreeBSD.org>
Organization: The FreeBSD Project
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US;
	rv:1.9.2.13pre) Gecko/20101113 Lanikai/3.1.7pre
MIME-Version: 1.0
To: John Baldwin <jhb@freebsd.org>
References: <B583FBF374231F4A89607B4D08578A43087AD856@bcs-mail03.internal.cacheflow.com>
	<201011171704.03157.jhb@freebsd.org>
In-Reply-To: <201011171704.03157.jhb@freebsd.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: "Li, Qing" <qing.li@bluecoat.com>, freebsd-current@freebsd.org
Subject: Re: immediate panic in vm
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: Wed, 17 Nov 2010 22:15:38 -0000

On 2010-11-17 23:04, John Baldwin wrote:
> On Wednesday, November 17, 2010 2:56:28 pm Li, Qing wrote:
>> panic: mtx_init: mtx_lock not aligned for netir_mtx: 0xffffffff8114791c
...
> I'm guessing the recent changes to how the VNET stuff works have broken the
> alignment of DPCPU and VNET structures again.

That is indeed possible; Qing, can you please try to revert r215212, and
see if that fixes it?