From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264682AbTD0RJX (ORCPT ); Sun, 27 Apr 2003 13:09:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264687AbTD0RJW (ORCPT ); Sun, 27 Apr 2003 13:09:22 -0400 Received: from mail.gmx.de ([213.165.64.20]:50620 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S264682AbTD0RJU (ORCPT ); Sun, 27 Apr 2003 13:09:20 -0400 Message-Id: <5.2.0.9.2.20030427191459.00caed60@pop.gmx.net> X-Mailer: QUALCOMM Windows Eudora Version 5.2.0.9 Date: Sun, 27 Apr 2003 19:25:59 +0200 To: "Martin J. Bligh" From: Mike Galbraith Subject: Re: Houston, I think we have a problem Cc: linux-kernel@vger.kernel.org, Linus Torvalds In-Reply-To: <28750000.1051454510@[10.10.2.4]> References: <5.2.0.9.2.20030427090009.01f89870@pop.gmx.net> <5.2.0.9.2.20030427090009.01f89870@pop.gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org At 07:41 AM 4/27/2003 -0700, Martin J. Bligh wrote: > > To reproduce this 100% of the time, simply compile virgin 2.5.68 > > up/preempt, reduce your ram to 128mb, and using gcc-2.95.3 as to not > > overload the vm, run a make -j30 bzImage in an ext3 partition on a P3/500 > > single ide disk box. No, you don't really need to meet all of those > > restrictions... you'll see the problem on a big hairy chested box as > > well, just not as bad as I see it on my little box. The first symptom of > > the problem you will notice is a complete lack of swap activity along > > with highly improbable quantities of unused ram were all those hungry > > cc1's getting regular CPU feedings. > >Yes, that's why I don't use ext3 ;-) It's known broken, akpm is fixing it. I'm not at all convinced (must say I wouldn't mind at _all_ being convinced) that it's ext3... that just _seems_ to be worst easily reproducible case for some un-(expletive deleted)-known reason. -Mike