From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268037AbUHKOPm (ORCPT ); Wed, 11 Aug 2004 10:15:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268069AbUHKOPm (ORCPT ); Wed, 11 Aug 2004 10:15:42 -0400 Received: from styx.suse.cz ([82.119.242.94]:47242 "EHLO shadow.ucw.cz") by vger.kernel.org with ESMTP id S268037AbUHKOPd (ORCPT ); Wed, 11 Aug 2004 10:15:33 -0400 Date: Wed, 11 Aug 2004 16:17:11 +0200 From: Vojtech Pavlik To: Sascha Wilde Cc: Dmitry Torokhov , linux-kernel@vger.kernel.org, "David N. Welton" Subject: Re: 2.6 kernel won't reboot on AMD system - 8042 problem? Message-ID: <20040811141710.GA2659@ucw.cz> References: <4107E788.8030903@eidetix.com> <41122C82.3020304@eidetix.com> <200408110131.14114.dtor_core@ameritech.net> <20040811122711.GA5759@ucw.cz> <20040811134316.GA2399@kenny.sha-bang.local> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040811134316.GA2399@kenny.sha-bang.local> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 11, 2004 at 03:43:16PM +0200, Sascha Wilde wrote: > On Wed, Aug 11, 2004 at 02:27:11PM +0200, Vojtech Pavlik wrote: > > On Wed, Aug 11, 2004 at 01:31:13AM -0500, Dmitry Torokhov wrote: > > > On Thursday 05 August 2004 07:48 am, David N. Welton wrote: > > > > By putting a series of 'crashme/reboot' calls into the kernel, I > > > > narrowed a possibl cause of it down to this bit of code in > > > > drivers/input/serio.c:753 > [...] > > > Could you please try the patch below? I am interested in tests both with > > > and without keyboard/mouse. The main idea is to leave ports that have been > > > disabled by BIOS alone... The patch compiles but otherwise untested. Against > > > 2.6.7. > > > > Well, this has a problem - plugging a mouse later will never work, as > > the interface will be disabled by the BIOS if a mouse is not present at > > boot. > > Is PS/2 supposed to support hotpluging at all? I guess it's not, but I may > be wrong... Electrically it's fine - the data and clock lines are pulled-up open-collector. Protocol-wise it's also OK, each device announces itself after it's plugged in. -- Vojtech Pavlik SuSE Labs, SuSE CR