Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161182AbXAMCAf (ORCPT ); Fri, 12 Jan 2007 21:00:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161190AbXAMCAf (ORCPT ); Fri, 12 Jan 2007 21:00:35 -0500 Received: from turing-police.cc.vt.edu ([128.173.14.107]:51666 "EHLO turing-police.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161182AbXAMCAe (ORCPT ); Fri, 12 Jan 2007 21:00:34 -0500 Message-Id: <200701121608.l0CG8csY003712@turing-police.cc.vt.edu> X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2 To: Andrew Morton , Jens Axboe Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.20-rc3-mm1 - git-block.patch causes hard lockups From: Valdis.Kletnieks@vt.edu Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1168618117_3439P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Fri, 12 Jan 2007 11:08:38 -0500 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2177 Lines: 70 --==_Exmh_1168618117_3439P Content-Type: text/plain; charset=us-ascii On , Valdis.Kletnieks@vt.edu said: > On Thu, 04 Jan 2007 22:02:00 PST, Andrew Morton said: > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc3/2.6.20-rc3-mm1/ Still seeing this in -rc4-mm1.. > With git-block.patch applied, my system locks up *hard* at system shutdown > time - even alt-sysrq doesn't do anything. Need to do the "power button for 5" > stunt to get the system back. And today's chef's special is wild crow, tastefully prepared in a stir-fry with broccoli and mixed asiatic vegetables, served on a bed of steamed rice... It doesn't look quite as locked up hard when you fix the ##$*&% script that did an 'echo 0 > /proc/sys/kernel/sysrq' :) Here's the hand-copied traceback: __mutex_lock_slowpath+0x22/0xaa mutex_lock+0xe/0x10 synchronize_rcu+0x23/0xc5 blk_sync_queue+0x1d/0x5a blk_release_queue+0x19/0x65 kobject_cleanup+0x53/0x72 kobject_release+0x0/0xf kobject_release+0xd/0xf kref_put+0x5f/0x6b kobject_put+0x19/0x1b blk_put_queue+0x43/0x48 dm_put+0x11f/0x133 dev_remove+0xa3/0xb7 ctl_ioctl+0x24f/0x29f dev_remove+0x0/0xb7 file_has_perm+0xa7/0xb6 do_ioctl+0x5e/0x77 vfs_ioctl+0x252/0x26f sys_ioctl+0x5f/0x82 tracesys+0xdc/0xe1 > The system is Fedora Core 6/Rawhide, and the last command issued (from > /etc/rc6.d/S01reboot) is "/sbin/cryptsetup remove swap". It hits that, > and *wham* we're dead. Works fine if I revert git-block.patch. > > The line from /etc/crypttab for the encrypted swap: > > swap /dev/mapper/VolGroup00-swap /dev/urandom swap,cipher=aes-cbc-essiv:sha256 --==_Exmh_1168618117_3439P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFFp7KFcC3lWbTT17ARAuVGAJwKts2e8WAVZP2V04cQ5kOQHL1KjACgu+hf yXh+KNSLmzw8MaU5X6IY/LU= =14yB -----END PGP SIGNATURE----- --==_Exmh_1168618117_3439P-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/