External USB DVD burner - DVD-RAM media

[Hans Petter Selasky]

On 03/25/13 05:03, zulu wrote:
>
>
> Hi,
>
> I am having trouble with an external USB DVD burner LG GP60NB50
> (HL-DT-ST DVDRAM GP60NB50 1.00) on FreeBSD 9.1 amd64 and 10 current
> amd64.
>
> The drive burns normal DVDs and CDs but fails to write DVD-RAM.
>
> DVD-RAM burning is 100% supported with this drive, managed to test it
> in Linux as well - all worked OK.
>
> The error I am getting with DVD-RAM running "dd if=/dev/zero
> of=/dev/cd0 bs=2k count=1" is:
>
> (cd0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 0 0 0 2 0
> (cd0:umass-sim0:0:0:0): CAM status: CCB request completed with an
> error
> (cd0:umass-sim0:0:0:0): Retrying command
> (cd0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 0 0 0 2 0
> (cd0:umass-sim0:0:0:0): CAM status: CCB request completed with an
> error
> (cd0:umass-sim0:0:0:0): Retrying command
> (cd0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 0 0 0 2 0
> (cd0:umass-sim0:0:0:0): CAM status: CCB request completed with an
> error
> (cd0:umass-sim0:0:0:0): Retrying command
> (cd0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 0 0 0 2 0
> (cd0:umass-sim0:0:0:0): CAM status: CCB request completed with an
> error
> (cd0:umass-sim0:0:0:0): Retrying command
> (cd0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 0 0 0 2 0
> (cd0:umass-sim0:0:0:0): CAM status: CCB request completed with an
> error
> (cd0:umass-sim0:0:0:0): Error 5, Retries exhausted
>
> usbconfig:
>
> ugen1.2:  at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON
>
> dmesg:
>
> cd0 at umass-sim0 bus 0 scbus3 target 0 lun 0
> cd0:  Removable CD-ROM SCSI-0 device
> cd0: 40.000MB/s transfers
> cd0: p\M-4/\^E
>
> The laptop I am using has no other DVD drives, just the USB external.
>
> Tried DVD-RAM burning with the same media in FreeBSD 9.1 on a
> different laptop with an internal DVD burning drive and that worked
> flawlessly.
>
> Also applied USB quirk to force ATAPI protocol but that hasn't helped
> either.
>
> Please could someone shed light on this and possible causes?
>
> Thanks!

Hi,

Maybe mav @ knows. This is not an USB issue.

--HPS