Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753012AbYCLSED (ORCPT ); Wed, 12 Mar 2008 14:04:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751351AbYCLSDy (ORCPT ); Wed, 12 Mar 2008 14:03:54 -0400 Received: from anyanka.rfc1149.net ([81.56.47.149]:45328 "EHLO mail2.rfc1149.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751346AbYCLSDx (ORCPT ); Wed, 12 Mar 2008 14:03:53 -0400 To: device-mapper development Cc: Christian Kujau , David Chinner , LKML , xfs@oss.sgi.com Subject: Re: INFO: task mount:11202 blocked for more than 120 seconds References: <20080307224040.GV155259@sgi.com> <20080309213441.GQ155407@sgi.com> Date: Wed, 12 Mar 2008 19:03:51 +0100 In-Reply-To: <20080309213441.GQ155407@sgi.com> (David Chinner's message of "Mon\, 10 Mar 2008 08\:34\:41 +1100") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii From: Samuel Tardieu Organization: RFC 1149 (see http://www.rfc1149.net/) Content-Transfer-Encoding: 8bit X-WWW: http://www.rfc1149.net/sam X-Jabber: (see http://www.jabber.org/) X-OpenPGP-Fingerprint: 79C0 AE3C CEA8 F17B 0EF1 45A5 F133 2241 1B80 ADE6 (see http://www.gnupg.org/) Message-Id: <2008-03-12-19-03-51+trackit+sam@rfc1149.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1034 Lines: 25 >>>>> "David" == David Chinner writes: >> No, no I/O errors at all. See the kern.log above, I could even do >> dd(1) from the md1 (dm-crypt on raid1), no errors either. David> Oh, dm-crypt. Well, I'd definitely start looking there. XFS has David> a history of exposing dm-crypt bugs, and these hangs appear to David> be I/O congestion/scheduling related and not XFS. Also, we David> haven't changed anything related to plug/unplug of block David> devices in XFS recently, so that also points to some other David> change as well... For what it is worth, I notice the same error last week (with a kernel of the day) on my laptop but was too busy at work to investigate. And I use ext3... on dm-crypt. Sam -- Samuel Tardieu -- sam@rfc1149.net -- http://www.rfc1149.net/ -- 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/