From owner-freebsd-current@FreeBSD.ORG  Thu Oct 23 20:02:18 2003
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 3595116A4B3; Thu, 23 Oct 2003 20:02:18 -0700 (PDT)
Received: from obsecurity.dyndns.org
	(adsl-63-207-60-234.dsl.lsan03.pacbell.net [63.207.60.234])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id BE79943FD7; Thu, 23 Oct 2003 20:02:16 -0700 (PDT)
	(envelope-from kris@obsecurity.org)
Received: from rot13.obsecurity.org (rot13.obsecurity.org [10.0.0.5])
	by obsecurity.dyndns.org (Postfix) with ESMTP
	id 2109766DCC; Thu, 23 Oct 2003 20:02:16 -0700 (PDT)
Received: by rot13.obsecurity.org (Postfix, from userid 1000)
	id E990ECBE; Thu, 23 Oct 2003 20:02:15 -0700 (PDT)
Date: Thu, 23 Oct 2003 20:02:15 -0700
From: Kris Kennaway <kris@obsecurity.org>
To: Kris Kennaway <kris@obsecurity.org>
Message-ID: <20031024030215.GA86892@rot13.obsecurity.org>
References: <20031023190714.GA84624@rot13.obsecurity.org>
Mime-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="bp/iNruPH9dso1Pn"
Content-Disposition: inline
In-Reply-To: <20031023190714.GA84624@rot13.obsecurity.org>
User-Agent: Mutt/1.4.1i
cc: net@freebsd.org
cc: ume@freebsd.org
cc: current@freebsd.org
Subject: Re: exclusive sleep mutex ifnet r = 0 (0xc07cc940) locked @
	net/if.c:459
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: Fri, 24 Oct 2003 03:02:18 -0000


--bp/iNruPH9dso1Pn
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Thu, Oct 23, 2003 at 12:07:14PM -0700, Kris Kennaway wrote:
> Updated to HEAD, booted with WITNESS enabled, and the boot dies here:
>=20
> ipfw2 initialized, divert disabled, rule-based forwarding enabled, defaul=
t to accept, logging unlimited
> malloc() of "16" with the following non-sleepable locks held:
> exclusive sleep mutex ifnet r =3D 0 (0xc07cc940) locked @ net/if.c:459
> Debugger("witness_warn")
> Stopped at      Debugger+0x54:  xchgl   %ebx,in_Debugger.0
> db> trace
> Debugger(c070f058,c0c21ce8,1,c07396e3,c0778ec0) at Debugger+0x54
> witness_warn(5,0,c074cdc7,c072620e,c07cc940) at witness_warn+0x19f
> uma_zalloc_arg(c103a900,0,2,0,c07cce74) at uma_zalloc_arg+0xa0
> malloc(10,c0778ec0,2,1c,c077d100) at malloc+0xd3
> in6_domifattach(c4742000,8c,c4742000,c07843f0,c26000) at in6_domifattach+=
0x27
> if_attachdomain1(c4742000,0,c073e7c3,1cb,c0755fa4) at if_attachdomain1+0x=
3e
> if_attachdomain(0,c1e000,c1ec00,c1e000,0) at if_attachdomain+0x48
> mi_startup() at mi_startup+0xb5
> begin() at begin+0x2c
>=20
> Can you please investigate?

I turned off WITNESS_DDB and it gives a lot of other warnings,
including a number of these:

exclusive sleep mutex ifnet r =3D 0 (0xc07cc940) locked @ netinet6/in6.c:22=
95
malloc() of "16" with the following non-sleepable locks held:

Kris

--bp/iNruPH9dso1Pn
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.3 (FreeBSD)

iD8DBQE/mJY3Wry0BWjoQKURAoiAAJ9kOZ8+qVcQ7xKeULPioRa1hWL/7gCaAmDc
6q+gL56tWDWDgdmr+/zqs5M=
=kX4G
-----END PGP SIGNATURE-----

--bp/iNruPH9dso1Pn--