CDRW Stopped Working Moving to 6.x

[Crist J. Clark]

On Fri, Sep 14, 2007 at 07:35:24AM -0400, Lowell Gilbert wrote:
> "Crist J. Clark" <cristclark at 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 at goku.cjclark.org:/var/tmp/tmp_cjc/obj/usr/src/sys/GOKU
  [snip]
  acd0: CDROM <CRD-8400B> at ata1-master PIO4

Hmmmm...
-- 
Crist J. Clark                     |     cjclark at alum.mit.edu