From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263115AbVF3UaG (ORCPT ); Thu, 30 Jun 2005 16:30:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263130AbVF3U3g (ORCPT ); Thu, 30 Jun 2005 16:29:36 -0400 Received: from postfix3-1.free.fr ([213.228.0.44]:5290 "EHLO postfix3-1.free.fr") by vger.kernel.org with ESMTP id S263115AbVF3U1v (ORCPT ); Thu, 30 Jun 2005 16:27:51 -0400 Message-ID: <42C455C1.30503@free.fr> Date: Thu, 30 Jun 2005 22:27:45 +0200 From: Eric Valette Reply-To: eric.valette@free.fr Organization: HOME User-Agent: Debian Thunderbird 1.0.2 (X11/20050602) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Greg KH CC: Linus Torvalds , linux-kernel@vger.kernel.org Subject: Re: updating kernel to 2.6.13-rc1 from 2.6.12 + CONFIG_DEVFS_FS + empty /dev References: <42C30CBC.5030704@free.fr> <20050629224040.GB18462@kroah.com> <1120137161.42c3efc93b36c@imp1-q.free.fr> <20050630155453.GA6828@kroah.com> In-Reply-To: <20050630155453.GA6828@kroah.com> X-Enigmail-Version: 0.91.0.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Greg KH wrote: > On Thu, Jun 30, 2005 at 03:12:41PM +0200, eric.valette@free.fr wrote: > >>Quoting Greg KH : >> >> >>>On Wed, Jun 29, 2005 at 11:03:56PM +0200, Eric Valette wrote: >>> >>>>For years now my /dev has been empty. When upgrading to 2.6.13-rc1 from >>>>2.6.12, and updating my kernel config file via "make oldconfig" I got no >>>>visible warning about CONFIG_DEVFS_FS options being set (or at least did >>>>no see it). >>> >>>devfs has been marked OBSOLETE for a year now. It has also been >>>documented as going away. Because of this, you should not have been >>>supprised at all. >> >>I knew it! I just the announce for 2.6.13-rc1 did not contain this fact and I >>did not realize booting this new kernel will fail on my machine which is bad for >>a stable serie. > > > As there is no longer a "development series" calling 2.6 a "stable > series" isn't really true :) Curious to wait until 2.6.13 pops up to see how much people will end up having non working systems either because : 1) They removed entries in their /dev 2) Did not maintain their /dev for years because anyway it was not directly accessed 3) modified their /etc/fstab to put devfs names rather than FHS/LSB compliant names... 4) other weird /dev-devfs interaction I cannot imagine yet BTW speaking of initramfs to hold the minimal /dev, in the embedded world initramfs has to be stored in flash as udev binary and eventually additionnal scripts, this represent flash memory (OK very little I have to admit but when you need to find 10K of flash or change the flash size...). I hope someone will pick-up your nano defvs proposal and enhance it to support a version enabling to boot a system without anything in /dev. Unfortunately no time yet on my side. Thanks for all the things you have done in linux, -- eric