From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266157AbUBQNo4 (ORCPT ); Tue, 17 Feb 2004 08:44:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266173AbUBQNo4 (ORCPT ); Tue, 17 Feb 2004 08:44:56 -0500 Received: from twilight.ucw.cz ([81.30.235.3]:34176 "EHLO shadow.ucw.cz") by vger.kernel.org with ESMTP id S266157AbUBQNoz (ORCPT ); Tue, 17 Feb 2004 08:44:55 -0500 Date: Tue, 17 Feb 2004 14:44:53 +0100 From: Vojtech Pavlik To: Ricky Beam Cc: Michael Buesch , Simon Gate , linux-kernel@vger.kernel.org Subject: Re: psmouse.c: Mouse at isa0060/serio1/input0 lost synchronization, throwing 2 bytes away. Message-ID: <20040217134453.GA472@ucw.cz> References: <200402142259.34836.mbuesch@freenet.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 16, 2004 at 03:58:20PM -0500, Ricky Beam wrote: > On Sat, 14 Feb 2004, Michael Buesch wrote: > >> psmouse.c: Mouse at isa0060/serio1/input0 lost synchronization, throwing 2 bytes away. > >> > >> My mouse goes crazy for a few secs and then returns to normal for a while. Is this a 2.6.2 problem or is this is something old? > > I've seen this junk for many years. It's not limited to just 2.6. > > In my current environment, it's the KVM screwing with the mouse data... > somehow it starts passing through 3 byte commands when the mouse is in > 4 byte mode. I fixed it by a little trickery to force the mouse to > reset (not a simple task from the ISR :-) BTW, 250ms is WAY to long to > wait to detect a lose of sync; mice don't pause at all between bytes.) Mice don't, but the kernel does, like when it's accessing the harddrive heavily. > >here's the fix: > ... > > And exactly what is that supposed to be fixing? > > --Ricky -- Vojtech Pavlik SuSE Labs, SuSE CR