From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262692AbULQAkG (ORCPT ); Thu, 16 Dec 2004 19:40:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262431AbULQAjc (ORCPT ); Thu, 16 Dec 2004 19:39:32 -0500 Received: from fw.osdl.org ([65.172.181.6]:9431 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S262673AbULQAhX (ORCPT ); Thu, 16 Dec 2004 19:37:23 -0500 Date: Thu, 16 Dec 2004 16:41:30 -0800 From: Andrew Morton To: lista4@comhem.se Cc: mr@ramendik.ru, nickpiggin@yahoo.com.au, linux-kernel@vger.kernel.org Subject: Re: 2.6.10-rc3: kswapd eats CPU on start of memory-eating task Message-Id: <20041216164130.2088fbd9.akpm@osdl.org> In-Reply-To: <3284684.1103119330673.JavaMail.tomcat@pne-ps1-sn1> References: <3284684.1103119330673.JavaMail.tomcat@pne-ps1-sn1> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i586-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Voluspa wrote: > > I've now booted all -rc kernels from 2.6.8 to 2.6.10-rc3 and examined the > behaviour of a heavy session with the 3D program Blender with regards to > screen freezes and mouse unresponsiveness during memory swap. Can you identify the kernel release which caused the problem to start? > I find no problem when blender is the sole (large) application, but when a > distributed computing client is running in the background the reported problems > surface. I use http://folding.stanford.edu for protein folding. It runs > with a default of nice 19 and sucks up every free CPU cycle. What sucks up all the CPU? The application? kswapd? How much RAM, how much swap?