From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 18 Feb 2002 13:42:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 18 Feb 2002 13:39:06 -0500 Received: from smtp2.vol.cz ([195.250.128.42]:1285 "EHLO smtp2.vol.cz") by vger.kernel.org with ESMTP id ; Mon, 18 Feb 2002 13:29:25 -0500 Date: Mon, 18 Feb 2002 00:10:48 +0100 From: Pavel Machek To: Jesse Pollard Cc: mtoseland@cableinet.co.uk, linux-kernel@vger.kernel.org Subject: Re: Fun with OOM on 2.4.18-pre9 Message-ID: <20020217231048.GA527@elf.ucw.cz> In-Reply-To: <200202141456.IAA24921@tomcat.admin.navo.hpc.mil> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200202141456.IAA24921@tomcat.admin.navo.hpc.mil> User-Agent: Mutt/1.3.25i X-Warning: Reading this can be dangerous to your mental health. Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > I do a make -j bzImage > > I have 2 large processes (Kaffe) running in the background. They are > > driven by scripts like this: > > > > while true; > > do su freenet -c java freenet.node.Main; > > done > > > > I have 512MB of RAM and no swap on 2.4.18-pre9. > > Kernel eventually slows to a near complete halt, and starts killing > > processes. > > It kills Kaffe several times > > Out of Memory: Killed process xyz (Kaffe) > > (no I don't have logs, sorry) > > Each time it's a different pid, having respawned from its parent > > process. Then later, it apparently becomes unkillable - each time it > > respawns it is *the same PID*. VT switching works, but otherwise the > > system is unresponsive. It is not clear whether the make -j is still > > running. Immediately before this, it did the same thing with dictd, but > > eventually got around to Kaffe. After a fairly long wait I rebooted with > > the reset switch. > > > > Any more information useful? Is this known behaviour? > > Known behaviour - ie. don't do that. No, it should *kill* kaffe, not only say it is doing that. Pavel -- (about SSSCA) "I don't say this lightly. However, I really think that the U.S. no longer is classifiable as a democracy, but rather as a plutocracy." --hpa