From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756567Ab0KVOZa (ORCPT ); Mon, 22 Nov 2010 09:25:30 -0500 Received: from mx1.redhat.com ([209.132.183.28]:51671 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756184Ab0KVOZ3 (ORCPT ); Mon, 22 Nov 2010 09:25:29 -0500 From: Jeff Moyer To: Richard Kralovic Cc: linux-kernel@vger.kernel.org, axboe@kernel.dk Subject: Re: CFQ and dm-crypt References: <4CC439ED.8090400@dcs.fmph.uniba.sk> <4CD185C2.8000006@dcs.fmph.uniba.sk> <4CE97E06.6000207@dcs.fmph.uniba.sk> X-PGP-KeyID: 1F78E1B4 X-PGP-CertKey: F6FE 280D 8293 F72C 65FD 5A58 1FF8 A7CA 1F78 E1B4 X-PCLoadLetter: What the f**k does that mean? Date: Mon, 22 Nov 2010 09:20:37 -0500 In-Reply-To: <4CE97E06.6000207@dcs.fmph.uniba.sk> (Richard Kralovic's message of "Sun, 21 Nov 2010 21:16:06 +0100") Message-ID: User-Agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Richard Kralovic writes: > Hello, > > I am sorry for a late reply (it took me some time to try the patch on > my main machine). Thank you for your work; unfortunately, I'm still > getting a panic at early boot stages: The BUG_ON assert in > cfq-iosched.c:cic_free_func failed, with a call trace as follows: > > > cfq_free_io_context > put_io_context > cfq_put_request > elv_put_request > blk_finish_request Odd... Can you give me more information on your hardware and device-mapper setup so I can try to reproduce it? Thanks, Jeff