From mboxrd@z Thu Jan 1 00:00:00 1970 From: Balaji Rao Subject: Re: 2.6.25-rc5.git4 regression PS/2 mouse not detected/working Date: Wed, 2 Apr 2008 23:00:13 +0530 Message-ID: <200804022300.14164.balajirrao@gmail.com> References: <1205775229.25146.11.camel@indigo.declera.com> <200804022038.33245.balajirrao@gmail.com> <20080402113043.ZZRA012@mailhub.coreip.homeip.net> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from yw-out-2324.google.com ([74.125.46.28]:10256 "EHLO yw-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755041AbYDBRgW (ORCPT ); Wed, 2 Apr 2008 13:36:22 -0400 Received: by yw-out-2324.google.com with SMTP id 5so353460ywb.1 for ; Wed, 02 Apr 2008 10:36:21 -0700 (PDT) In-Reply-To: <20080402113043.ZZRA012@mailhub.coreip.homeip.net> Content-Disposition: inline Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov Cc: Yanko Kaneti , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@elte.hu, Thomas Gleixner On Wednesday 02 April 2008 09:03:28 pm Dmitry Torokhov wrote: > Hi Blaji, > > On Wed, Apr 02, 2008 at 08:38:33PM +0530, Balaji Rao wrote: > > > > Coincidentally even I hit upon this bug a couple of days ago after enabling > > HPET in my BIOS. A quick check told me that IRQ 12 which the patch assigns to > > the HPET device is used by the PS/2 mouse as well. This makes the mouse > > inactive. > > > > I am working on this.. I am not sure if the PS/2 code is misbehaving though.. > > > > Normally IRQ12 can not be shared on X86 if PS/2 mouse is present. > If PCI side tries to grab the IRQ then ISA (legacy) side will never > see its interrupts coming. > OK. So, I need to specifically check for IRQ12 being assigned and avoid it ? -- regards, balaji rao Dept. of Mechanical Engineering, National Institute of Technology Karnataka, India