From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264893AbTL1ABO (ORCPT ); Sat, 27 Dec 2003 19:01:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264894AbTL1ABO (ORCPT ); Sat, 27 Dec 2003 19:01:14 -0500 Received: from fw.osdl.org ([65.172.181.6]:7644 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S264893AbTL1ABN (ORCPT ); Sat, 27 Dec 2003 19:01:13 -0500 Date: Sat, 27 Dec 2003 16:00:53 -0800 From: Andrew Morton To: Tomas Szepe Cc: dtor_core@ameritech.net, gcs@lsc.hu, linux-kernel@vger.kernel.org, petero2@telia.com, john stultz Subject: Re: Synaptics problems in -mm1 Message-Id: <20031227160053.11bcd12d.akpm@osdl.org> In-Reply-To: <20031227183704.GD10491@louise.pinerecords.com> References: <20031224095921.GA8147@lsc.hu> <200312271228.59192.dtor_core@ameritech.net> <20031227181120.GC10491@louise.pinerecords.com> <200312271323.22252.dtor_core@ameritech.net> <20031227183704.GD10491@louise.pinerecords.com> X-Mailer: Sylpheed version 0.9.4 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Tomas Szepe wrote: > > > I think it ACPI PM timer if you have it activated - I am having problems > > with it myself but didn't have time to look closer. Could you try booting > > with clock=tsc or clock=pit and see if it fixes the touchpad. > > clock=tsc appears to fix the problem. > clock=pit no change. So we've established that it is an interaction between the input code, the ACPI PM time code and cpufreq, yes? That's a bit of a witches brew. Does anyone know what aspect of the ACPI PM timer behaviour could cause this?