Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757059Ab0BTXuW (ORCPT ); Sat, 20 Feb 2010 18:50:22 -0500 Received: from fieldses.org ([174.143.236.118]:48786 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756938Ab0BTXuU (ORCPT ); Sat, 20 Feb 2010 18:50:20 -0500 Date: Sat, 20 Feb 2010 18:51:05 -0500 From: "J. Bruce Fields" To: Nikola Ciprich Cc: Harry Edmon , Andrew Morton , linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, nikola.ciprich@linuxbox.cz Subject: Re: 2.6.32.2 - WARNING: at lib/kref.c:43 kref_get+0x,23/0x2b() Message-ID: <20100220235105.GB15015@fieldses.org> References: <4B4F5A00.4060604@atmos.washington.edu> <20100122150325.6ad12428.akpm@linux-foundation.org> <20100127190522.GB18278@fieldses.org> <4B60C5D4.6070000@atmos.washington.edu> <20100202162228.GD4293@fieldses.org> <20100216182248.GA4922@nik-comp.linuxbox.cz> <20100216202121.GE26292@fieldses.org> <20100216202720.GB4922@nik-comp.linuxbox.cz> <20100216202947.GF26292@fieldses.org> <20100217151435.GC30897@develbox.linuxbox.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100217151435.GC30897@develbox.linuxbox.cz> 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 Content-Length: 2060 Lines: 59 On Wed, Feb 17, 2010 at 04:14:35PM +0100, Nikola Ciprich wrote: > Well, > I did a lot of stress tests, and it seems to be pretty random, and what's > worse, I think it is more then one problem, oh great... > Seems that at least one of my NFS problems was in fact caused by ext4 regression > (what FS are you using?) > applying this one: http://bugzilla.kernel.org/attachment.cgi?id=24975 > improved things for me a lot (see http://bugzilla.kernel.org/show_bug.cgi?id=15231 for > full discussion). > I'll watch the machine for next few days and report... Is there *any* kernel (however old) on which you are confident you can *not* reproduce the kref bug? --b. > regards > nik > > On Tue, Feb 16, 2010 at 03:29:47PM -0500, J. Bruce Fields wrote: > > On Tue, Feb 16, 2010 at 09:27:20PM +0100, Nikola Ciprich wrote: > > > > Nothing yet. I'm taking another look. > > > > > > > > Do you know what the most recent version was where you did *not* see > > > > these warnings? > > > well, actually I decided I'll bisect this one no matter what, so hopefully > > > we'll see soon :) > > > I'll report > > > > That would be fantastic, thanks. What test-case are you using? > > > > Any partial information ("xxxx good, xxxx bad") would also be useful. > > > > --b. > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > ------------------------------------- > Ing. Nikola CIPRICH > LinuxBox.cz, s.r.o. > 28. rijna 168, 709 01 Ostrava > > tel.: +420 596 603 142 > fax: +420 596 621 273 > mobil: +420 777 093 799 > www.linuxbox.cz > > mobil servis: +420 737 238 656 > email servis: servis@linuxbox.cz > ------------------------------------- -- 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/