Having problems burning a DVD

Predrag Punosevac punosevac at math.arizona.edu
Sat Nov 24 12:15:59 PST 2007

Andrew Falanga wrote:
> Ok, I've made copies of the DVDs I want to burn.  I used the technique
> described in this thread, "duplicating a dvd video" started by a "Dave" back
> in July.  Basically, the technique is nothing more than a copy of the disk,
> "cp /dev/acd0 /path/to/*.iso."
> I'm going off of the instructions in the Handbook for burning DVD video's
> and such.  The dvd utilities were already installed so I didn't have to
> worry about that.  I added the line, hw.ata.atapi_dma="1" as described in
> the handbook.  Rebooted and I'm still getting this error when I use the
> command growisofs -Z /dev/acd0 -dvd-video /usr/local/dvds/whereisGod1.iso:
> :-( unable to CAMGETPASSTHRU for /dev/acd0: Inappropriate ioctl for device
> >From dmesg, my DVD burner is:
> acd0: DVDR <NEC DVD RW ND-3500AG/2.16> at ata1-master UDMA33
> I looked through the list of DVD drives from the handbook and I didn't see
> mine listed and therefore take that to mean folks don't usually have
> problems with this drive.  So, what am I doing wrong?
> Andy
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I think you are probably missing

perm    xpt0    0666
perm    pass0   0666

Mine /etc/devfs.conf

# Commonly used by many ports  
link  cd0 cdrom
link  cd0  dvd
link  cd0  rdvd

link  acd0 cdrom
link  acd0 dvd
link  acd0 rdvd

# Misc other devices

perm    cdrom   0666
perm    dvd     0666
perm    rdvd    0666
perm    cd0     0666
perm    acd0   0666
perm    xpt0    0666
perm    pass0   0666

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