From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751930Ab1AERPr (ORCPT ); Wed, 5 Jan 2011 12:15:47 -0500 Received: from lennier.cc.vt.edu ([198.82.162.213]:33498 "EHLO lennier.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751699Ab1AERPp (ORCPT ); Wed, 5 Jan 2011 12:15:45 -0500 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.3-dev To: Alexander Viro , Joel Becker Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: 2.6.37-next - kernel BUG at fs/dcache.c:1363 From: Valdis.Kletnieks@vt.edu Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1294247741_7242P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Wed, 05 Jan 2011 12:15:41 -0500 Message-ID: <8679.1294247741@localhost> X-Mirapoint-Received-SPF: 198.82.161.152 auth3.smtp.vt.edu Valdis.Kletnieks@vt.edu 2 pass X-Mirapoint-IP-Reputation: reputation=neutral-1, source=Fixed, refid=n/a, actions=MAILHURDLE SPF TAG X-Junkmail-Status: score=10/50, host=vivi.cc.vt.edu X-Junkmail-Signature-Raw: score=unknown, refid=str=0001.0A020209.4D24A73D.0197,ss=1,fgs=0, ip=0.0.0.0, so=2010-07-22 22:03:31, dmn=2009-09-10 00:05:08, mode=single engine X-Junkmail-IWF: false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1294247741_7242P Content-Type: text/plain; charset=us-ascii Saw this crash on a linux-next pulled yesterday at 2PM EST, kernel dies very early (looks like first time it touches configfs for anything - trying to boot with netconsole enabled caused it to die even faster). I can bisect this if it doesn't immediately ring a bell... It dies here: void d_set_d_op(struct dentry *dentry, const struct dentry_operations *op) { BUG_ON(dentry->d_op); Am guessing configfs passed in a dentry that wasn't filled in enough. (hand-transcribed from a crappy cellphone pic) kernel BUG at fs/dcache.c:1363 invalid opcode: 0000 [#1] PREEMT SMP last sysfs file: CPU 0 Modules linked in: Pid: 1, comm: swapper Not tainted 2.6.37-rc8-next-2011 (edge of pic) ... configfs_attach_item.clone.14+0x11d/0x254 configfs_attach_group.clone.15+0x1c/0x196 ? _raw_spinlock_unlock+0x5c/0x69 configfs_register_subsystem_0xce/0x144 ? init_netconsole+0x0/0x21f init_netconsole+0x10d/0x21f ? init_netconsole+0x0/0x21f do_one_initcall+0x52/0x12f kernel_init+0x162/0x1e7 kernel_thread_helper+0x4/0x10 ? finish_task_switch_0x3f/0xe3 ? restore_args+0x0/0x30 ? kernel_init+0x0/0x1e7 ? kernel_thread_helper+0x0/0x10 I d_net_d_op+0x38/0xb0 --==_Exmh_1294247741_7242P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFNJKc9cC3lWbTT17ARAsZCAJ4/odytCNjco7ebIVuVqfPmqHinFwCfSZsr 0VhR5hS6VUMT/3OIIk9Qx4c= =pU2T -----END PGP SIGNATURE----- --==_Exmh_1294247741_7242P--