Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965264AbVKHSrX (ORCPT ); Tue, 8 Nov 2005 13:47:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965267AbVKHSrX (ORCPT ); Tue, 8 Nov 2005 13:47:23 -0500 Received: from mail.kroah.org ([69.55.234.183]:30622 "EHLO perch.kroah.org") by vger.kernel.org with ESMTP id S965264AbVKHSrX (ORCPT ); Tue, 8 Nov 2005 13:47:23 -0500 Date: Tue, 8 Nov 2005 10:34:23 -0800 From: Greg KH To: "Theodore Ts'o" , linux-kernel@vger.kernel.org Subject: Re: udev on 2.6.14 fails to create /dev/input/event2 on T40 Thinkpad Message-ID: <20051108183423.GA15799@kroah.com> References: <20051106203421.GB2527@kroah.com> <20051107053648.GA7521@thunk.org> <20051107155243.GA14658@kroah.com> <20051107181706.GB8374@thunk.org> <20051107182434.GC18861@kroah.com> <20051108033019.GA6129@thunk.org> <20051108044348.GB5516@kroah.com> <20051108131451.GD6129@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051108131451.GD6129@thunk.org> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1490 Lines: 38 On Tue, Nov 08, 2005 at 08:14:51AM -0500, Theodore Ts'o wrote: > On Mon, Nov 07, 2005 at 08:43:49PM -0800, Greg KH wrote: > > > > The input subsystem moved to handle nested class devices, so udev had to > > change to handle this properly. I bet however Debian does the initial > > population of the /dev tree is messed up somehow, as that is what it > > looks like is happening (event3 I bet is from a USB device that is added > > after init starts?) > > > > Nope, it looks like there's some sort of layering/nesting going on: > > % cat /sys/class/input/event1/device/description > i8042 Kbd Port > > % cat /sys/class/input/event2/device/description > i8042 Aux Port > > % cat /sys/class/input/event3/device/description > Synaptics pass-through > > .. and the Synaptics driver wants to talk to /dev/input/event2, and > _not_ /dev/input/event3. But the Debian scripts seem to think that > the only thing of value to expose is the /dev/input/event3, the very > top of the stack. /dev/input/event1, and /dev/input/event2 are both > not showing up on my system once a I boot a post-2.6.14 kernel. Is there a "dev" file in /sys/class/input/event1/ and /sys/class/input/event2/ ? That should be all the udev cares about. thanks, greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/