From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756476AbZEOTdx (ORCPT ); Fri, 15 May 2009 15:33:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752609AbZEOTdp (ORCPT ); Fri, 15 May 2009 15:33:45 -0400 Received: from smtp3.ultrahosting.com ([74.213.175.254]:47139 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751740AbZEOTdp (ORCPT ); Fri, 15 May 2009 15:33:45 -0400 Date: Fri, 15 May 2009 15:33:35 -0400 (EDT) From: Christoph Lameter X-X-Sender: cl@qirst.com To: Ray Lee cc: Satish Eerpini , Rik van Riel , linux-kernel Subject: Re: unresponsiveness on linux desktop during file copy In-Reply-To: <2c0942db0905151102y4f144437xa02632effccda72c@mail.gmail.com> Message-ID: References: <93655eb70905151007v5f9bb34aj34be4b65ffeb02a4@mail.gmail.com> <2c0942db0905151102y4f144437xa02632effccda72c@mail.gmail.com> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 15 May 2009, Ray Lee wrote: > Which kernel version? If it's something recent, your programs may be > getting swapped out due to a flaw in the latest kernels, where it > accidentally prefers caching file data over mapped pages. If that's > the case, Rik (cc:d) is working on patches to address the issue, and > may appreciate another tester. Please keep me in the loop. I'd be interested if those patches work and what effect they have.