From owner-freebsd-questions@FreeBSD.ORG Wed Sep 19 19:24:18 2007 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 246C616A418 for ; Wed, 19 Sep 2007 19:24:18 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: from be-well.ilk.org (dsl092-078-145.bos1.dsl.speakeasy.net [66.92.78.145]) by mx1.freebsd.org (Postfix) with ESMTP id D768F13C45D for ; Wed, 19 Sep 2007 19:24:17 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: by be-well.ilk.org (Postfix, from userid 1147) id B7E2B2843A; Wed, 19 Sep 2007 15:24:16 -0400 (EDT) To: cjclark@alum.mit.edu References: <20070913182916.GC3754@goku.pumpky.net> <44fy1hlbsz.fsf@Lowell-Desk.lan> <20070918061940.GI3754@goku.pumpky.net> From: Lowell Gilbert Date: Wed, 19 Sep 2007 15:24:16 -0400 In-Reply-To: <20070918061940.GI3754@goku.pumpky.net> (Crist J. Clark's message of "Mon\, 17 Sep 2007 23\:19\:40 -0700") Message-ID: <44r6kuo3vj.fsf@be-well.ilk.org> User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.99 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: questions@freebsd.org, Lowell Gilbert Subject: Re: CDRW Stopped Working Moving to 6.x X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Sep 2007 19:24:18 -0000 "Crist J. Clark" writes: > On Fri, Sep 14, 2007 at 07:35:24AM -0400, Lowell Gilbert wrote: >> "Crist J. Clark" writes: >> >> > Looking at the dmesg(1) from the last boot, >> > >> > # fgrep cd0 /var/run/dmesg.boot >> > acd0: CDROM at ata1-master UDMA33 >> > >> > Makes me think the system is not recognizing the device as CDRW, >> > only CDROM. >> >> You're right, and that's the key point to start from. >> Don't worry about ATAPI/CAM; it won't be used by burncd, and won't >> work any better than direct ATAPI drivers if the device isn't >> recognized as a CDRW. >> >> The funny thing is (unless I recall incorrectly, which is possible >> before my first cup of coffee for the day), the ID string is provided >> by the device itself. And I just looked it up; CRD-8400B is >> definitely a CDROM. So I don't think the OS is confused; if anything, >> the device itself is what's confused. >> >> Just to doublecheck: are you really sure you haven't changed the drive >> since the last time you burned a CD? > > Nope, haven't changed the drive. Went and had a look at the front and > it's got "CD/RW" on the "disc" symbol on the front of the tray. But > going back to some old dmesg(1) from this same box when the buring > worked back in 4.x, > > FreeBSD 4.11-STABLE #1: Sun Jun 19 00:18:37 PDT 2005 > cjc@goku.cjclark.org:/var/tmp/tmp_cjc/obj/usr/src/sys/GOKU > [snip] > acd0: CDROM at ata1-master PIO4 > > Hmmmm... Wow. Good thinking to check that. Definitely sounds like you are being bitten by something dodgy in the device probing which has been there for a long time but was benign in the past. You'll need someone who knows the probing code...