From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751962Ab2GAUlO (ORCPT ); Sun, 1 Jul 2012 16:41:14 -0400 Received: from smtprelay-b21.telenor.se ([195.54.99.212]:33685 "EHLO smtprelay-b21.telenor.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750777Ab2GAUlM (ORCPT ); Sun, 1 Jul 2012 16:41:12 -0400 X-SENDER-IP: [85.230.168.62] X-LISTENER: [smtp.bredband.net] X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuZLANm08E9V5qg+PGdsb2JhbABFihWsRBkBAQEBHhkNJ4IYAQEEATocIwULCAMOOBQlChqIGQm6dRSQYWADlTOBE4RTjH8 X-IronPort-AV: E=Sophos;i="4.77,506,1336341600"; d="scan'208";a="73038580" From: "Henrik Rydberg" Date: Sun, 1 Jul 2012 22:41:18 +0200 To: Bob Tracy Cc: Greg KH , Ming Lei , linux-kernel@vger.kernel.org Subject: Re: 3.5-rcX: USB support without udev? Message-ID: <20120701204118.GA1018@polaris.bitmath.org> References: <20120628131651.GA14492@gherkin.frus.com> <20120629033600.GA3591@gherkin.frus.com> <20120630033519.GA4792@kroah.com> <20120701201411.GB8603@gherkin.frus.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120701201411.GB8603@gherkin.frus.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > If I knew what was missing, I'd create it and be done with it. Here's > the scenario... Kernel built from the standard kernel.org tree. All > drivers needed at boot time are built-in, except now there's probably > something missing on the USB side of things. No initrd. Are modules turned off as well? > I'll attach my > config file on the good chance someone will spot the missing piece(s) > quickly. Note that the DEVTMPFS options are disabled in this config, > but I'll reenable them if required. When I said devtmpfs "didn't help," > what I meant was, by itself relative to my current configuration, turning > on devtmpfs made no difference. I cannot see your attached files, but is there any chance this is about HID, not USB? > Per the syslog entries I included in my initial post on this thread, the > only difference between the pre- and post- usbfs removal cases seems to > be whatever is needed for the input subsystem to see the USB keyboard > and mouse. I see the USB hubs and attached devices getting detected, > but whatever "glue" allows the keyboard and mouse to work isn't there, > and the input subsystem doesn't emit the expected messages at boot time. If you did a 'make oldconfig' on anything prior to -rc5, chances are you do not have CONFIG_HID_GENERIC=y in your .config. Henrik