From owner-freebsd-current@FreeBSD.ORG Sun Sep 12 15:35:16 2004 Return-Path: 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 3235F16A4CE for ; Sun, 12 Sep 2004 15:35:16 +0000 (GMT) Received: from wrzx35.rz.uni-wuerzburg.de (wrzx35.rz.uni-wuerzburg.de [132.187.3.35]) by mx1.FreeBSD.org (Postfix) with ESMTP id 85FB643D53 for ; Sun, 12 Sep 2004 15:35:15 +0000 (GMT) (envelope-from q@uni.de) Received: from wrzx34.rz.uni-wuerzburg.de (wrzx34.rz.uni-wuerzburg.de [132.187.3.34]) by wrzx35.rz.uni-wuerzburg.de (Postfix) with ESMTP id 53B6FDCFBA; Sun, 12 Sep 2004 17:35:14 +0200 (CEST) Received: from virusscan (localhost [127.0.0.1]) by wrzx34.rz.uni-wuerzburg.de (Postfix) with ESMTP id 29530A5677; Sun, 12 Sep 2004 17:35:14 +0200 (CEST) Received: from wrzx28.rz.uni-wuerzburg.de (wrzx28.rz.uni-wuerzburg.de [132.187.3.28]) by wrzx34.rz.uni-wuerzburg.de (Postfix) with ESMTP id 074F89F830; Sun, 12 Sep 2004 17:35:14 +0200 (CEST) Received: from coyote.q.local (wwsx14.win-screen.uni-wuerzburg.de [132.187.253.14]) by wrzx28.rz.uni-wuerzburg.de (Postfix) with ESMTP id E53DBD421A; Sun, 12 Sep 2004 17:35:13 +0200 (CEST) Received: from roadrunner.q.local (roadrunner [192.168.0.147]) by coyote.q.local (8.12.10/8.12.10) with ESMTP id i8CFZDTH097971; Sun, 12 Sep 2004 17:35:13 +0200 (CEST) (envelope-from q@roadrunner.q.local) Received: from roadrunner.q.local (localhost.q.local [127.0.0.1]) by roadrunner.q.local (8.13.1/8.12.10) with ESMTP id i8CFZDYM001661; Sun, 12 Sep 2004 17:35:13 +0200 (CEST) (envelope-from q@roadrunner.q.local) Received: (from q@localhost) by roadrunner.q.local (8.13.1/8.12.10/Submit) id i8CFZD1v001660; Sun, 12 Sep 2004 17:35:13 +0200 (CEST) (envelope-from q) Date: Sun, 12 Sep 2004 17:35:13 +0200 From: Ulrich Spoerlein To: current@freebsd.org Message-ID: <20040912153513.GB816@galgenberg.net> Mail-Followup-To: current@freebsd.org, bzeeb+freebsd+lor@zabbadoz.net Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="T7mxYSe680VjQnyC" Content-Disposition: inline User-Agent: Mutt/1.5.6i X-Virus-Scanned: by amavisd-new (Rechenzentrum Universitaet Wuerzburg) X-Mailman-Approved-At: Mon, 13 Sep 2004 14:48:07 +0000 cc: bzeeb+freebsd+lor@zabbadoz.net Subject: LOR in snd_ad1816 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Sep 2004 15:35:16 -0000 --T7mxYSe680VjQnyC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello all, this is from an oldish P2 with an ad1816 sound card. I don't have regular access to the machine, so feedback might be slow. lock order reversal 1st 0xc1621780 pcm0 (sound softc) @ /usr/src/sys/modules/sound/driver/ad18= 16/../../../../dev/sound/isa/ad1816.c:83 2nd 0xc16213c0 pcm0:play:0 (pcm play channel) @ /usr/src/sys/modules/sound= /sound/../../../dev/sound/pcm/channel.c:503 KDB: stack backtrace: kdb_backtrace(0,ffffffff,c08bdf80,c08bdeb8,c084c8bc) at kdb_backtrace+0x29 witness_checkorder(c16213c0,9,c09eec4c,1f7) at witness_checkorder+0x544 _mtx_lock_flags(c16213c0,0,c09eec4c,1f7,c1621680) at _mtx_lock_flags+0x5b chn_intr(c161a780,c1621640,c14ffd80,c1502c60,cbcfdd1c) at chn_intr+0x1b ad1816_intr(c161a900) at ad1816_intr+0x7b ithread_loop(c14ffd80,cbcfdd48,c14ffd80,c05ed66c,0) at ithread_loop+0x124 fork_exit(c05ed66c,c14ffd80,cbcfdd48) at fork_exit+0xa4 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip =3D 0, esp =3D 0xcbcfdd7c, ebp =3D 0 --- Ulrich Spoerlein --=20 PGP Key ID: F0DB9F44 Get it while it's hot! PGP Fingerprint: F1CE D062 0CA9 ADE3 349B 2FE8 980A C6B5 F0DB 9F44 "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -- Benjamin Franklin --T7mxYSe680VjQnyC Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFBRGywmArGtfDbn0QRAnTAAJ9ZhAFrGAFNkVccqDC9dVEluoJe+ACg7KNX 7GaJkuv3v+jJkKy7VcNO9jg= =WUoQ -----END PGP SIGNATURE----- --T7mxYSe680VjQnyC--