From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?T3phbiDDh2HEn2xheWFu?= Subject: Re: [Bug #13471] Loading parport_pc kills the keyboard if ACPI is enabled Date: Tue, 04 Aug 2009 14:33:02 +0300 Message-ID: <4A781C6E.7040900@pardus.org.tr> References: <20090731151417.568094e5@lxorguk.ukuu.org.uk> <4A7308E8.1000200@pardus.org.tr> <20090731161735.6a94ad9c@lxorguk.ukuu.org.uk> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20090731161735.6a94ad9c-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Alan Cox Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , ACPI Devel Maling List Alan Cox wrote On 31-07-2009 18:17: > There have been few changes to parport_pc but one thing recent changed > the probe for SuperIO chips via low addresses and that could be > interfering. > > commit e2434dc1c19412639dd047a4d4eff8ed0e5d0d50 > Author: Jens Rottmann > Date: Mon Jun 22 16:51:49 2009 +0100 > > changed the behaviour slightly (hence asking about which release if it > was a recent breakage). Its also a code area with very few changes so if > you can find which one worked last, you should be able to transplant that > parport_pc into 2.6.current and see if its parport or acpi triggered > breakage. > I've tested on 2.6.30.4 which has apparently this commit, no changes. I've booted into Ubuntu 8.10 which has 2.6.28. The keyboard was working correctly eventhough parport_pc was loaded. I removed and re-probed and the keyboard is gone. I've set BIOS settings to default, nope. I'll try bisecting when I find the last-good/first-bad kernel version. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754291AbZHDL3t (ORCPT ); Tue, 4 Aug 2009 07:29:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754070AbZHDL3s (ORCPT ); Tue, 4 Aug 2009 07:29:48 -0400 Received: from lider.pardus.org.tr ([193.140.100.216]:35854 "EHLO lider.pardus.org.tr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753844AbZHDL3r (ORCPT ); Tue, 4 Aug 2009 07:29:47 -0400 Message-ID: <4A781C6E.7040900@pardus.org.tr> Date: Tue, 04 Aug 2009 14:33:02 +0300 From: =?UTF-8?B?T3phbiDDh2HEn2xheWFu?= User-Agent: Thunderbird 2.0.0.22 (X11/20071115) MIME-Version: 1.0 To: Alan Cox CC: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , ACPI Devel Maling List Subject: Re: [Bug #13471] Loading parport_pc kills the keyboard if ACPI is enabled References: <20090731151417.568094e5@lxorguk.ukuu.org.uk> <4A7308E8.1000200@pardus.org.tr> <20090731161735.6a94ad9c@lxorguk.ukuu.org.uk> In-Reply-To: <20090731161735.6a94ad9c@lxorguk.ukuu.org.uk> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Alan Cox wrote On 31-07-2009 18:17: > There have been few changes to parport_pc but one thing recent changed > the probe for SuperIO chips via low addresses and that could be > interfering. > > commit e2434dc1c19412639dd047a4d4eff8ed0e5d0d50 > Author: Jens Rottmann > Date: Mon Jun 22 16:51:49 2009 +0100 > > changed the behaviour slightly (hence asking about which release if it > was a recent breakage). Its also a code area with very few changes so if > you can find which one worked last, you should be able to transplant that > parport_pc into 2.6.current and see if its parport or acpi triggered > breakage. > I've tested on 2.6.30.4 which has apparently this commit, no changes. I've booted into Ubuntu 8.10 which has 2.6.28. The keyboard was working correctly eventhough parport_pc was loaded. I removed and re-probed and the keyboard is gone. I've set BIOS settings to default, nope. I'll try bisecting when I find the last-good/first-bad kernel version.