From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422941AbXDYXd5 (ORCPT ); Wed, 25 Apr 2007 19:33:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422973AbXDYXd4 (ORCPT ); Wed, 25 Apr 2007 19:33:56 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:48599 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1422941AbXDYXd4 (ORCPT ); Wed, 25 Apr 2007 19:33:56 -0400 Date: Thu, 26 Apr 2007 09:33:45 +1000 From: David Chinner To: Jesper Juhl Cc: linux-kernel@vger.kernel.org, xfs-masters@oss.sgi.com, xfs@oss.sgi.com, viro@zeniv.linux.org.uk Subject: Re: 2.6.20.3 - possible recursive locking detected - in XFS Message-ID: <20070425233345.GN48531920@melbourne.sgi.com> References: <200704251116.57737.jesper.juhl@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200704251116.57737.jesper.juhl@gmail.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 25, 2007 at 11:16:57AM +0200, Jesper Juhl wrote: > > Hi, > > For your information : > > Once in a while I see the message below after I've just created a new XFS filesystem, mount it and then start copying data to it. ..... > ============================================= > [ INFO: possible recursive locking detected ] > 2.6.20.3generic #1 > --------------------------------------------- > xfs_fsr/6117 is trying to acquire lock: > (&(&ip->i_lock)->mr_lock){----}, at: [] xfs_ilock+0x7d/0xa0 [xfs] > > but task is already holding lock: > (&(&ip->i_lock)->mr_lock){----}, at: [] xfs_ilock+0x7d/0xa0 [xfs] Known false positive - XFS doesn't have the annotations needed for this yet; we've got a patch that will probably make it's way into 6.5.22 that should fix most of these issues. Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group