From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757537AbXG1U6g (ORCPT ); Sat, 28 Jul 2007 16:58:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753696AbXG1U62 (ORCPT ); Sat, 28 Jul 2007 16:58:28 -0400 Received: from styx.suse.cz ([82.119.242.94]:40582 "EHLO mail.suse.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752196AbXG1U61 (ORCPT ); Sat, 28 Jul 2007 16:58:27 -0400 Date: Sat, 28 Jul 2007 22:55:14 +0200 From: Vojtech Pavlik To: Dmitry Torokhov Cc: Christoph Pfister , linux-kernel@vger.kernel.org Subject: Re: keyboard stopped working after de9ce703c6b807b1dfef5942df4f2fadd0fdb67a Message-ID: <20070728205514.GA17084@suse.cz> References: <200707132249.26106.christophpfister@gmail.com> <200707132304.30795.christophpfister@gmail.com> <200707172101.06878.christophpfister@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Bounce-Cookie: It's a lemon tree, dear Watson! User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 17, 2007 at 03:52:07PM -0400, Dmitry Torokhov wrote: > Hi Christoph, > > On 7/17/07, Christoph Pfister wrote: > > > >Yep, attached (cold reboot, not pressing any keys, 2.6.21). > > > > Ok, I see. You don't use PS/2 mouse and so BIOS told us that mouse is > absent and reassigned IRQ12 to EHCI controller. However we do not > listen to BIOS on i386 (for historucal reasons) and process with > registering AUX port... Now IRQ12 is shared between AUX port and EHCI > and the keyboard controller is unhappy wehereas before (with polling > timer) it would release IRQ12 and close port... Here I should add that IRQ sharing between ISA/LPC where i8042 lives and PCI where EHCI lives doesn't work - only one of the sides will ever be able to trigger interrupts, depending on the bridge config. > Does your keyboard start working if you boot with i8042.noaux? -- Vojtech Pavlik Director SuSE Labs