Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262175AbUKKGBl (ORCPT ); Thu, 11 Nov 2004 01:01:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262093AbUKKGBk (ORCPT ); Thu, 11 Nov 2004 01:01:40 -0500 Received: from out007pub.verizon.net ([206.46.170.107]:26607 "EHLO out007.verizon.net") by vger.kernel.org with ESMTP id S262175AbUKKGBe (ORCPT ); Thu, 11 Nov 2004 01:01:34 -0500 From: Gene Heskett Reply-To: gene.heskett@verizon.net Organization: Organization: None, detectable by casual observers To: linux-kernel@vger.kernel.org Subject: Re: DEVFS_FS Date: Thu, 11 Nov 2004 01:01:30 -0500 User-Agent: KMail/1.7 Cc: Greg KH , Alexandre Costa , linux-os@analogic.com References: <200411101906.37328.gene.heskett@verizon.net> <20041111001909.GA18269@kroah.com> In-Reply-To: <20041111001909.GA18269@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200411110101.30463.gene.heskett@verizon.net> X-Authentication-Info: Submitted using SMTP AUTH at out007.verizon.net from [151.205.59.10] at Thu, 11 Nov 2004 00:01:31 -0600 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2246 Lines: 58 On Wednesday 10 November 2004 19:19, Greg KH wrote: >On Wed, Nov 10, 2004 at 07:06:37PM -0500, Gene Heskett wrote: >> On Wednesday 10 November 2004 16:03, Alexandre Costa wrote: >> >On Wed, 10 Nov 2004 15:46:06 -0500 (EST), linux-os >> > >> > wrote: >> >> What is the approved substitute for DEVFS_FS that is marked >> >> obsolete? >> > >> >udev >> >http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html >> >> Humm, I'm not sure I'm entirely happy with that choice. I have an >> FC3RC5 install on an old P-II running at 233mhz, and the udev >> start in the bootup is the slowest single thing to get started by >> an order of magnitude. >> >> Can someone tell me a good reason udev wastes as much time as the >> post does checking 383 megs of memory, which is very nearly a >> minute even just for udev? > >It's all up to the rules you are using for udev. If you have udev > rules that call out to scripts for every device (like I think the > SuSE default install does), udevstart can take a long time. > This is a box stock FC3RC5 install, Greg. I haven't touched a thing in how it works because I don't know anything about it, other than its about 1/3rd of the total boot time. >If you don't have any external dependancies, udevstart is fast. > >> If its to be used, its got to speed itself up, a LOT!. > >Please post what version of udev you are using, and what your udev > rules file looks like. Probably see the FC3 release, but I don't know how much diff there is between RC5 and the final, rsync is trying to convert mine to final right now. Where is this rules file? >thanks, > >greg k-h -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) 99.28% setiathome rank, not too shabby for a WV hillbilly Yahoo.com attorneys please note, additions to this message by Gene Heskett are: Copyright 2004 by Maurice Eugene Heskett, all rights reserved. - 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/