From owner-freebsd-current@FreeBSD.ORG Thu Dec 4 08:35:52 2003 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 A86A816A4CE for ; Thu, 4 Dec 2003 08:35:52 -0800 (PST) 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 A445243FB1 for ; Thu, 4 Dec 2003 08:35:51 -0800 (PST) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 5765E66C55; Thu, 4 Dec 2003 08:35:51 -0800 (PST) Date: Thu, 4 Dec 2003 08:35:51 -0800 From: Kris Kennaway To: Andy Hilker Message-ID: <20031204163551.GA85960@xor.obsecurity.org> References: <20031204163030.GA21747@goodhope.crypta.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="OXfL5xGRrasGEqWY" Content-Disposition: inline In-Reply-To: <20031204163030.GA21747@goodhope.crypta.net> User-Agent: Mutt/1.4.1i cc: freebsd-current@freebsd.org Subject: Re: LOR (swap_pager.c , uma_core.c) 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: Thu, 04 Dec 2003 16:35:52 -0000 --OXfL5xGRrasGEqWY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Dec 04, 2003 at 05:30:30PM +0100, Andy Hilker wrote: >=20 > Hi, >=20 > one of my servers with SMP crashs every few minutes oder a few hours > under heavy load (e.g. /usr/ports/math/mprime, mprime -t ) > With SMP disabled, server runs very stable. >=20 > kernel: lock order reversal =20 > kernel: 1st 0xc2113c60 vm object (vm object) @ /usr/src/sys/vm/swap_pager= .c:1323 > kernel: 2nd 0xc076ef40 swap_pager swhash (swap_pager swhash) @ /usr/src/s= ys/vm/swap_pager.c:1838 > kernel: 3rd 0xc1037b58 vm object (vm object) @ /usr/src/sys/vm/uma_core.c= :881 > kernel: Stack backtrace: This is a known false positive, reported at least once a day. Remove WITNESS_DDB from your kernel, or at least remove DDB_UNATTENDED so your system won't reboot when these harmless WITNESS warnings show up. Kris --OXfL5xGRrasGEqWY Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQE/z2JmWry0BWjoQKURAte1AJ4isEp2H4oYT30xJbxnS4NwZwr0fgCg3LE2 odx+x5Fn63yZZbpKuS/H8/s= =Adtm -----END PGP SIGNATURE----- --OXfL5xGRrasGEqWY--