From owner-freebsd-stable@FreeBSD.ORG Sat Oct 7 08:45:47 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2E12C16A415 for ; Sat, 7 Oct 2006 08:45:47 +0000 (UTC) (envelope-from matthias.andree@gmx.de) Received: from mail.gmx.net (mail.gmx.de [213.165.64.20]) by mx1.FreeBSD.org (Postfix) with SMTP id 46A1643D45 for ; Sat, 7 Oct 2006 08:45:46 +0000 (GMT) (envelope-from matthias.andree@gmx.de) Received: (qmail invoked by alias); 07 Oct 2006 08:45:39 -0000 Received: from p50913653.dip0.t-ipconnect.de (EHLO m2a2.dyndns.org) [80.145.54.83] by mail.gmx.net (mp021) with SMTP; 07 Oct 2006 10:45:39 +0200 X-Authenticated: #428038 Received: from localhost (localhost [127.0.0.1]) by merlin.emma.line.org (Postfix) with ESMTP id 76D1E200531 for ; Sat, 7 Oct 2006 10:45:38 +0200 (CEST) Received: from m2a2.dyndns.org ([127.0.0.1]) by localhost (m2a2.dyndns.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 12897-14 for ; Sat, 7 Oct 2006 10:45:38 +0200 (CEST) Received: by merlin.emma.line.org (Postfix, from userid 500) id 39D762007BC; Sat, 7 Oct 2006 10:45:38 +0200 (CEST) From: Matthias Andree To: freebsd-stable@freebsd.org In-Reply-To: <20061006175313.GA58888@FS.denninger.net> (Karl Denninger's message of "Fri\, 6 Oct 2006 12\:53\:13 -0500") References: <20061005151925.GA1156@FS.denninger.net> <20061005190822.GA15547@icarus.home.lan> <20061005202144.GA11105@FS.denninger.net> <54db43990610051404x1816135ft9740ec29eb5da23@mail.gmail.com> <20061006000909.GB2473@FS.denninger.net> <20061006135019.L76485@server.arg.sj.co.uk> <20061006175313.GA58888@FS.denninger.net> X-PGP-Key: http://home.pages.de/~mandree/keys/GPGKEY.asc Date: Sat, 07 Oct 2006 10:45:38 +0200 Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Virus-Scanned: amavisd-new at emma.line.org X-Y-GMX-Trusted: 0 Subject: Re: Recommendations for a serial port card you can actually BUY? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 07 Oct 2006 08:45:47 -0000 Karl Denninger writes: > I think there may be another option. > > Here's the boot message, with just USB related things: > > usb0: on uhci0 > usb0: USB revision 1.0 > usb1: on uhci1 > usb1: USB revision 1.0 > usb2: on uhci2 > usb2: USB revision 1.0 > usb3: on uhci3 > usb3: USB revision 1.0 > usb4: EHCI version 1.0 > usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3 > usb4: on ehci0 > usb4: USB revision 2.0 > > Now, isn't this in fact invarient? That is, isn't the probe on the bus > going to be the same across boots? This is effectively inheriting PCI order, so unless you're changing PCI configuration, these are in fact stable. > We can then get which device is on which port with.... > > Fs:/disk/karl> usbdevs -v ...until the moment one is un- and re-plugged, right? At least my two USB printers (easily told apart from the vendor ID) like to rearrange their ordering frequently on Linux... -- Matthias Andree