From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261258AbULOOCb (ORCPT ); Wed, 15 Dec 2004 09:02:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262347AbULOOCb (ORCPT ); Wed, 15 Dec 2004 09:02:31 -0500 Received: from pne-smtpout2-sn2.hy.skanova.net ([81.228.8.164]:31389 "EHLO pne-smtpout2-sn2.hy.skanova.net") by vger.kernel.org with ESMTP id S261258AbULOOC2 (ORCPT ); Wed, 15 Dec 2004 09:02:28 -0500 Message-ID: <3284684.1103119330673.JavaMail.tomcat@pne-ps1-sn1> Date: Wed, 15 Dec 2004 15:02:10 +0100 (MET) From: Voluspa Reply-To: lista4@comhem.se To: mr@ramendik.ru Subject: Re: 2.6.10-rc3: kswapd eats CPU on start of memory-eating task Cc: nickpiggin@yahoo.com.au, linux-kernel@vger.kernel.org Mime-Version: 1.0 Content-Type: text/plain;charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Mailer: CP Presentation Server X-clientstamp: [213.64.150.229] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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. 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. I've never seen it interfere with anything prior to this swap issue - been running it since 2000. Guess kernel people will say "don't do that then"... Mvh Mats Johannesson