From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263800AbTLTDtw (ORCPT ); Fri, 19 Dec 2003 22:49:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263803AbTLTDtw (ORCPT ); Fri, 19 Dec 2003 22:49:52 -0500 Received: from smtp805.mail.sc5.yahoo.com ([66.163.168.184]:6004 "HELO smtp805.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S263800AbTLTDtv (ORCPT ); Fri, 19 Dec 2003 22:49:51 -0500 From: Dmitry Torokhov To: Aaron Lehmann , linux-kernel@vger.kernel.org Subject: Re: psmouse synchronization loss under load Date: Fri, 19 Dec 2003 22:49:44 -0500 User-Agent: KMail/1.5.4 References: <20031220015131.GB9834@vitelus.com> In-Reply-To: <20031220015131.GB9834@vitelus.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200312192249.44633.dtor_core@ameritech.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Friday 19 December 2003 08:51 pm, Aaron Lehmann wrote: > On a Dell laptop whenever I run a program that takes the full CPU, my > mouse pointer goes insane and thrashes my X session every few minutes. > It seems to have a mind of its own and always be able to make it to > the Exit item in the root menu ;). Whenever this happens, psmouse logs > and detects the error: > > psmouse.c: Mouse at isa0060/serio4/input0 lost synchronization, > throwing 2 bytes away. > That means that mouse interrupt hasn't been serviced for more than 0.5 seconds. You could try commenting out that piece of code in drivers/input/mouse/psmouse-base.c but I think that's a sign that something else is going on in the kernel - 0.5 sec is pretty long. Dmitry