Date: Wed, 19 Sep 2007 15:24:16 -0400 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: cjclark@alum.mit.edu Cc: questions@freebsd.org, Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> Subject: Re: CDRW Stopped Working Moving to 6.x Message-ID: <44r6kuo3vj.fsf@be-well.ilk.org> In-Reply-To: <20070918061940.GI3754@goku.pumpky.net> (Crist J. Clark's message of "Mon\, 17 Sep 2007 23\:19\:40 -0700") References: <20070913182916.GC3754@goku.pumpky.net> <44fy1hlbsz.fsf@Lowell-Desk.lan> <20070918061940.GI3754@goku.pumpky.net>
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"Crist J. Clark" <cristclark@comcast.net> writes: > On Fri, Sep 14, 2007 at 07:35:24AM -0400, Lowell Gilbert wrote: >> "Crist J. Clark" <cristclark@comcast.net> writes: >> >> > Looking at the dmesg(1) from the last boot, >> > >> > # fgrep cd0 /var/run/dmesg.boot >> > acd0: CDROM <CRD-8400B/1.06> 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 <CRD-8400B> 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...
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