From owner-freebsd-stable@FreeBSD.ORG Sun Dec 3 19:49:45 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9DB3D16A407 for ; Sun, 3 Dec 2006 19:49:45 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from fw.zoral.com.ua (fw.zoral.com.ua [213.186.206.134]) by mx1.FreeBSD.org (Postfix) with ESMTP id 70EE743CA6 for ; Sun, 3 Dec 2006 19:49:16 +0000 (GMT) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by fw.zoral.com.ua (8.13.4/8.13.4) with ESMTP id kB3Jndqk033363 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 3 Dec 2006 21:49:39 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.13.8/8.13.8) with ESMTP id kB3JndKa084094; Sun, 3 Dec 2006 21:49:39 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.13.8/8.13.8/Submit) id kB3JncZ4084076; Sun, 3 Dec 2006 21:49:38 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Sun, 3 Dec 2006 21:49:38 +0200 From: Kostik Belousov To: Larry Rosenman Message-ID: <20061203194938.GF35681@deviant.kiev.zoral.com.ua> References: <20061203132940.X18597@thebighonker.lerctr.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="b8GWCKCLzrXbuNet" Content-Disposition: inline In-Reply-To: <20061203132940.X18597@thebighonker.lerctr.org> User-Agent: Mutt/1.4.2.2i X-Virus-Scanned: ClamAV version 0.88.4, clamav-milter version 0.88.4 on fw.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=1.4 required=5.0 tests=SPF_NEUTRAL, UNPARSEABLE_RELAY autolearn=no version=3.1.4 X-Spam-Level: * X-Spam-Checker-Version: SpamAssassin 3.1.4 (2006-07-25) on fw.zoral.com.ua Cc: freebsd-stable@freebsd.org Subject: Re: LOR, 23/Nov/2006 sources, RELENG_6 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Dec 2006 19:49:45 -0000 --b8GWCKCLzrXbuNet Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Dec 03, 2006 at 01:30:41PM -0600, Larry Rosenman wrote: > This may already be fixed, known, but... >=20 > Dec 3 13:14:41 thebighonker kernel: lock order reversal: > Dec 3 13:14:41 thebighonker kernel: 1st 0xffffff0093904c00 kqueue (kqueu= e)=20 > @ /usr/src/sys/kern/kern_event.c:1547 > Dec 3 13:14:41 thebighonker kernel: 2nd 0xffffff007ffb16a8 struct mount= =20 > mtx (struct mount mtx) @ /usr/src/sys/ufs/ufs/ufs_vnops.c:138 > Dec 3 13:14:41 thebighonker kernel: KDB: stack backtrace: > Dec 3 13:14:41 thebighonker kernel: witness_checkorder() at=20 > witness_checkorder+0x4da > Dec 3 13:14:41 thebighonker kernel: _mtx_lock_flags() at=20 > _mtx_lock_flags+0x5c > Dec 3 13:14:41 thebighonker kernel: ufs_itimes() at ufs_itimes+0x58 > Dec 3 13:14:41 thebighonker kernel: ufs_getattr() at ufs_getattr+0x1f > Dec 3 13:14:41 thebighonker kernel: VOP_GETATTR_APV() at=20 > VOP_GETATTR_APV+0x74 > Dec 3 13:14:41 thebighonker kernel: filt_vfsread() at filt_vfsread+0x74 > Dec 3 13:14:41 thebighonker kernel: knote() at knote+0xd5 > Dec 3 13:14:41 thebighonker kernel: VOP_WRITE_APV() at VOP_WRITE_APV+0x1= 7d > Dec 3 13:14:41 thebighonker kernel: vn_write() at=20 > Dec 3 13:14:41 thebighonker kernel: vn_write+0x1ec > Dec 3 13:14:41 thebighonker kernel:=20 > Dec 3 13:14:41 thebighonker kernel: dofilewrite() at dofilewrite+0x87 > Dec 3 13:14:41 thebighonker kernel: kern_writev() at kern_writev+0x51 > Dec 3 13:14:41 thebighonker kernel: write() at write+0x4a > Dec 3 13:14:41 thebighonker kernel: syscall() at syscall+0x4b2 > Dec 3 13:14:41 thebighonker kernel: Xfast_syscall() at Xfast_syscall+0xa8 > Dec 3 13:14:41 thebighonker kernel: --- syscall (4, FreeBSD ELF64, write= ),=20 > rip =3D 0x4363dc, rsp =3D 0x7fffffffdd08, rbp =3D 0x1e --- Please, try the patch http://people.freebsd.org/~kib/kqueue-lor.1.patch --b8GWCKCLzrXbuNet Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFcypRC3+MBN1Mb4gRAti1AJ93AS7W43TtXaZPEQ9qpT+W1En6WQCfZKjs zJf4jjFZzAhA7EGvrsZepsc= =g6o4 -----END PGP SIGNATURE----- --b8GWCKCLzrXbuNet--