From owner-freebsd-current@FreeBSD.ORG Tue May 2 04:29:32 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5087516A408 for ; Tue, 2 May 2006 04:29:32 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (vc4-2-0-87.dsl.netrack.net [199.45.160.85]) by mx1.FreeBSD.org (Postfix) with ESMTP id C676E43D45 for ; Tue, 2 May 2006 04:29:31 +0000 (GMT) (envelope-from imp@bsdimp.com) Received: from localhost (localhost.village.org [127.0.0.1] (may be forged)) by harmony.bsdimp.com (8.13.4/8.13.4) with ESMTP id k424RfhY009527; Mon, 1 May 2006 22:27:44 -0600 (MDT) (envelope-from imp@bsdimp.com) Date: Mon, 01 May 2006 22:27:43 -0600 (MDT) Message-Id: <20060501.222743.32503989.imp@bsdimp.com> To: doconnor@gsoft.com.au From: "M. Warner Losh" In-Reply-To: <200605020815.31012.doconnor@gsoft.com.au> References: <200605011421.49909.doconnor@gsoft.com.au> <20060501.095317.06445891.imp@bsdimp.com> <200605020815.31012.doconnor@gsoft.com.au> X-Mailer: Mew version 3.3 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org, grafan@gmail.com, marcel@xcllnt.net Subject: Re: lpt0 disappear (ppc related) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 May 2006 04:29:32 -0000 In message: <200605020815.31012.doconnor@gsoft.com.au> "Daniel O'Connor" writes: : On Tuesday 02 May 2006 01:23, M. Warner Losh wrote: : > : However you wouldn't expect that using it as a module would result in : > : reduced functionality. (The same as how you wouldn't expect compiling : > : something into your kernel would result in reduced functionality) : > : > At the same time, you'd expect it to behave like every other 'bus' in : > the tree. We omit the attachments for drivers to that bus when the : > kernel is built w/o that bus. This is why if you have, say, ep in the : > kernel, but pccard loaded as a module, the 3c589 you just inserted : > into the pccard slot won't work. : > : > It is a minor imperfection in the config system that no one has taken : > on as a Problem To Solve. Solving it turns out to be somewhat tricky. : : Hmm, but I load acpi as a module and get acpi attachments.. (for sio and ppc) : : it's black magic to me anyway :) : : I didn't mean to belittle Marcel's work, I was just suprised that it would : cause a functionality loss like that. I think it just points out a weakness in the underlying system... Warner