From owner-freebsd-current@FreeBSD.ORG Tue May 2 04:38:33 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 4C71416A402 for ; Tue, 2 May 2006 04:38:33 +0000 (UTC) (envelope-from grafan@gmail.com) Received: from nz-out-0102.google.com (nz-out-0102.google.com [64.233.162.193]) by mx1.FreeBSD.org (Postfix) with ESMTP id C920243D46 for ; Tue, 2 May 2006 04:38:32 +0000 (GMT) (envelope-from grafan@gmail.com) Received: by nz-out-0102.google.com with SMTP id x3so2996934nzd for ; Mon, 01 May 2006 21:38:32 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=E2aPjjOk0Vrke289LiOPoVxSqgm62FBcNdsaZrvPEeeDQ/Wc9RYHi+YHf2WDab0T7SjFweoKKYV/ESUMMa/h36ZYIYhVy3CWoYg8v2k+vTRbIgBibrx9frM34aiCa/p0EQ7WWwPqrCE1Tq7JM5u7hbrjFntyDwCQ5BKTvBw5ruM= Received: by 10.36.154.8 with SMTP id b8mr471614nze; Mon, 01 May 2006 21:38:32 -0700 (PDT) Received: by 10.36.24.17 with HTTP; Mon, 1 May 2006 21:38:32 -0700 (PDT) Message-ID: <6eb82e0605012138t1fb1c351o36203a5e269e889d@mail.gmail.com> Date: Tue, 2 May 2006 00:38:32 -0400 From: "Rong-En Fan" To: "M. Warner Losh" In-Reply-To: <20060501.222743.32503989.imp@bsdimp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <200605011421.49909.doconnor@gsoft.com.au> <20060501.095317.06445891.imp@bsdimp.com> <200605020815.31012.doconnor@gsoft.com.au> <20060501.222743.32503989.imp@bsdimp.com> Cc: freebsd-current@freebsd.org, 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 04:38:33 -0000 On 5/2/06, M. Warner Losh wrote: > 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 compili= ng > : > : 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 th= e > : > 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 an= d ppc) > : > : it's black magic to me anyway :) > : > : I didn't mean to belittle Marcel's work, I was just suprised that it wo= uld > : cause a functionality loss like that. > > I think it just points out a weakness in the underlying system... Hmm, until this is solved. Could we have acpi configured in kernel on i386 as default? I really don't know why this is deprecated usage. (as the comments in NOTES says) Thanks, Rong-En Fan