From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751463AbZL3AY5 (ORCPT ); Tue, 29 Dec 2009 19:24:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750955AbZL3AY4 (ORCPT ); Tue, 29 Dec 2009 19:24:56 -0500 Received: from mail-ew0-f219.google.com ([209.85.219.219]:48563 "EHLO mail-ew0-f219.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750877AbZL3AYz (ORCPT ); Tue, 29 Dec 2009 19:24:55 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=FSHHPUtz/W8IOLgDLGa+P3qxoR+jdFl0uKHijgPlc8kzb+l7G/M3WiCnFl9CqmKVi5 n/U5Q2KgO9GtBcvhkm0X3+kvMc8Sepz0Kw2sl1vnXE4RK16Dajj9SqNs4BV3GTd8jC23 59FDwfS933zvHRwdx11ao3qWB7sVLjYXPHGEc= Date: Wed, 30 Dec 2009 01:24:51 +0100 From: Frederic Weisbecker To: Christian Kujau Cc: LKML , reiserfs-devel@vger.kernel.org, jeffm@suse.com Subject: Re: reiserfs: circular locking dependency detected Message-ID: <20091230002449.GC5258@nowhere> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 24, 2009 at 03:26:07AM -0800, Christian Kujau wrote: > > I've seen the lockdep warning reported in > http://lkml.org/lkml/2009/12/22/365, but this one is slightly different > and is not happening on mount but when dbench is run on a freshly created > filesystem. Below is the lockdep warning, I've put sysrq-D/W/P/T output on > > http://nerdbynature.de/bits/2.6.33-rc1/reiserfs/ > > - t2 is with lockdep enabled > - proc-fs-reiserfs.log is me trying to cat /proc/fs/reiserfs every > 2 seconds while dbench is running > > Thanks, > Christian. Thanks for your report. I have a pending fix, I'll post it soon.