Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 10 Dec 2002 11:06:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 10 Dec 2002 11:06:30 -0500 Received: from irongate.swansea.linux.org.uk ([194.168.151.19]:2496 "EHLO irongate.swansea.linux.org.uk") by vger.kernel.org with ESMTP id ; Tue, 10 Dec 2002 11:06:29 -0500 Subject: Re: 2.4.20-ac1 hangs IBM Thinkpad From: Alan Cox To: "J.D. Hood" Cc: Linux Kernel Mailing List In-Reply-To: <20021210125332.69872.qmail@web10305.mail.yahoo.com> References: <20021210125332.69872.qmail@web10305.mail.yahoo.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-10) Date: 10 Dec 2002 16:49:41 +0000 Message-Id: <1039538981.14166.26.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 904 Lines: 19 On Tue, 2002-12-10 at 12:53, J.D. Hood wrote: > I have also stopped using 2.4.20-ac1 on my ThinkPad. > It performs much worse than 2.4.20-pre8-ac1 when running > large applications such as OpenOffice. (It never crashed > on me, though.) Having read the recent thread on changes > to the scheduler and yield(), I suspect that the problem > is related to that, since the 2.4-ac series has the O(1) > scheduler. Thats a bug in openoffice (or more accurately in the glibc thread library). Our yield now does what it is *supposed* to do. Unfortunately glibc is coded to rely on what used to happen. Andrea has a nice fix for this which I'll probably merge soon - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/