From owner-freebsd-current Thu Jan 9 16: 1:10 2003 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 2DE4937B401 for ; Thu, 9 Jan 2003 16:01:09 -0800 (PST) Received: from obsecurity.dyndns.org (adsl-64-165-226-177.dsl.lsan03.pacbell.net [64.165.226.177]) by mx1.FreeBSD.org (Postfix) with ESMTP id 365FC43F43 for ; Thu, 9 Jan 2003 16:01:08 -0800 (PST) (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 5CAA266E58; Thu, 9 Jan 2003 16:01:07 -0800 (PST) Received: by rot13.obsecurity.org (Postfix, from userid 1000) id 2AFFB6C0; Thu, 9 Jan 2003 16:01:01 -0800 (PST) Date: Thu, 9 Jan 2003 16:01:01 -0800 From: Kris Kennaway To: Ulrich Spoerlein Cc: leafy , freebsd-current@freebsd.org Subject: Re: lock order reversal Message-ID: <20030110000101.GB28205@rot13.obsecurity.org> References: <20030104162517.GA630@leafy.idv.tw> <20030106185639.27667916.q@uni.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="OwLcNYc0lM97+oe1" Content-Disposition: inline In-Reply-To: <20030106185639.27667916.q@uni.de> User-Agent: Mutt/1.4i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --OwLcNYc0lM97+oe1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jan 06, 2003 at 06:56:39PM +0100, Ulrich Spoerlein wrote: > On 2003/01/05-00:25:17 leafy wrote: >=20 > >lock order reversal > >Jan 5 00:19:15 leafy kernel: 1st 0xc26b05c0 process lock (process lock) > >@/usr/src/sys/kern/kern_descrip.c:2099 Jan 5 00:19:15 leafy kernel: 2nd > >0xc2667e34 filedesc structure (filedesc structure) @ > >/usr/src/sys/kern/kern_descrip.c:2106 > > > >The kernel is only about 40 mins old. This is known and regularly reported here. > i got another LOR when starting up Quake2 (but only once every boot): > acquiring duplicate lock of same type: "pcm channel" > 1st pcm0:record:0 @ /usr/src/sys/dev/sound/pcm/sound.c:191 > 2nd pcm0:play:0 @ /usr/src/sys/dev/sound/pcm/sound.c:191 Don't know about this one. Kris --OwLcNYc0lM97+oe1 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+Hg08Wry0BWjoQKURAp7/AKCnzn6e5Lv0/rDzIWw221C5kH+1SgCg7zzI Kd4trdyoKvW8M7W+SDqjw7U= =e0tB -----END PGP SIGNATURE----- --OwLcNYc0lM97+oe1-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message