Date: Thu, 4 Dec 2003 08:35:51 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Andy Hilker <ah@cryptobank.de> Cc: freebsd-current@freebsd.org Subject: Re: LOR (swap_pager.c , uma_core.c) Message-ID: <20031204163551.GA85960@xor.obsecurity.org> In-Reply-To: <20031204163030.GA21747@goodhope.crypta.net> References: <20031204163030.GA21747@goodhope.crypta.net>
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--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--
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