From owner-freebsd-current@FreeBSD.ORG  Wed Nov 27 17:57:53 2013
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id CBE0AB0E;
 Wed, 27 Nov 2013 17:57:53 +0000 (UTC)
Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 173982E22;
 Wed, 27 Nov 2013 17:57:52 +0000 (UTC)
Received: from tom.home (kostik@localhost [127.0.0.1])
 by kib.kiev.ua (8.14.7/8.14.7) with ESMTP id rARHvhQI042401;
 Wed, 27 Nov 2013 19:57:43 +0200 (EET)
 (envelope-from kostikbel@gmail.com)
DKIM-Filter: OpenDKIM Filter v2.8.3 kib.kiev.ua rARHvhQI042401
Received: (from kostik@localhost)
 by tom.home (8.14.7/8.14.7/Submit) id rARHvhCb042400;
 Wed, 27 Nov 2013 19:57:43 +0200 (EET)
 (envelope-from kostikbel@gmail.com)
X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com
 using -f
Date: Wed, 27 Nov 2013 19:57:43 +0200
From: Konstantin Belousov <kostikbel@gmail.com>
To: Don Lewis <truckman@FreeBSD.org>
Subject: Re: panic: double fault with 11.0-CURRENT r258504
Message-ID: <20131127175743.GA59496@kib.kiev.ua>
References: <20131127171828.GZ59496@kib.kiev.ua>
 <201311271741.rARHfa66042131@gw.catspoiler.org>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
 protocol="application/pgp-signature"; boundary="Ur//+kVWxE8O2xb8"
Content-Disposition: inline
In-Reply-To: <201311271741.rARHfa66042131@gw.catspoiler.org>
User-Agent: Mutt/1.5.22 (2013-10-16)
X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00,
 DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no
 version=3.3.2
X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on tom.home
Cc: freebsd-current@FreeBSD.org
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.16
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/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, 27 Nov 2013 17:57:53 -0000


--Ur//+kVWxE8O2xb8
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Wed, Nov 27, 2013 at 09:41:36AM -0800, Don Lewis wrote:
> On 27 Nov, Konstantin Belousov wrote:
> > On Wed, Nov 27, 2013 at 02:49:12AM -0800, Don Lewis wrote:
> >> <http://people.freebsd.org/~truckman/doublefault2.JPG>
> >=20
> > What is the instruction at cpu_switch+0x9b ?
>=20
> movl 0x8(%edx),%eax
So it is line 176 in swtch.s. Is machine still in ddb, or did you
obtained the core ? If yes, please print out the content of words at
0xe4f62bb0 + 4, +8 (*), +16. Please print the content of the word at
address (*) + 8.

> This machine is running in i386 mode.
Yes, this is clear from the backtraces.

--Ur//+kVWxE8O2xb8
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.22 (FreeBSD)
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=12Zs
-----END PGP SIGNATURE-----

--Ur//+kVWxE8O2xb8--