From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262703AbVGHROC (ORCPT ); Fri, 8 Jul 2005 13:14:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262718AbVGHROC (ORCPT ); Fri, 8 Jul 2005 13:14:02 -0400 Received: from ms004msg.fastwebnet.it ([213.140.2.58]:35734 "EHLO ms004msg.fastwebnet.it") by vger.kernel.org with ESMTP id S262703AbVGHROA (ORCPT ); Fri, 8 Jul 2005 13:14:00 -0400 Date: Fri, 8 Jul 2005 19:14:24 +0200 From: Mattia Dongili To: Dmitry Torokhov Cc: Vojtech Pavlik , Linux Kernel Mailing List , Dmitry Torokhov Subject: Re: Synaptics Touchpad not detected in 2.6.13-rc2 Message-ID: <20050708171424.GC4191@inferi.kami.home> Mail-Followup-To: Dmitry Torokhov , Vojtech Pavlik , Linux Kernel Mailing List , Dmitry Torokhov References: <20050708125537.GA4191@inferi.kami.home> <20050708162908.715.qmail@web81301.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050708162908.715.qmail@web81301.mail.yahoo.com> X-Message-Flag: Cranky? Try Free Software instead! X-Operating-System: Linux 2.6.13-rc2-mm1-2 i686 X-Editor: Vim http://www.vim.org/ X-Disclaimer: Buh! User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 08, 2005 at 09:29:08AM -0700, Dmitry Torokhov wrote: > Mattia Dongili wrote: [...] > I see several possible issues: > > > PNP: No PS/2 controller found. Probing ports directly. > > Does it show this line when touchpad is being detected? yes > Do you have PNPACPI turned on? # CONFIG_PNPACPI is not set > > i8042.c: Detected active multiplexing controller, rev 5.3. > > Revision 5.3 is suspicious. The last posted one is 1.1 > Again, when touchpad is detected, does it show this or 1.{0|1}? nothing at all, no multiplexing controller and most important only 2 ports PNP: No PS/2 controller found. Probing ports directly. serio: i8042 AUX port at 0x60,0x64 irq 12 serio: i8042 KBD port at 0x60,0x64 irq 1 mice: PS/2 mouse device common for all mice > > serio: i8042 AUX0 port at 0x60,0x64 irq 12 > > serio: i8042 AUX1 port at 0x60,0x64 irq 12 > > serio: i8042 AUX2 port at 0x60,0x64 irq 12 > > serio: i8042 AUX3 port at 0x60,0x64 irq 12 > > serio: i8042 KBD port at 0x60,0x64 irq 1 > > mice: PS/2 mouse device common for all mice > > And now the real problem: > > > drivers/input/serio/i8042.c: 91 -> i8042 (command) [220803] > > drivers/input/serio/i8042.c: f2 -> i8042 (parameter) [220803] > > drivers/input/serio/i8042.c: fa <- i8042 (interrupt, KBD, 1) [220806] > > We are trying to talk to AUX port but KBC replies as if data > is coming from the keyboard port. > > Does it help if you boot with "usb-handoff" kernel option? Another > one would be "i8042.nomux". Btw, does your laptop have external > PS/2 ports? Well it's pretty hard to say currently I've only been able to trigger this problem only twice in at least 6 cold boots. Will try later anyway :) As said, I remember having this problem in the past, here's the thread: http://marc.theaimsgroup.com/?l=linux-kernel&m=108211185919825&w=2 it seems we already talked about it! -- mattia :wq!