Issues with USB DVD writer

[Paul B. Mahol]

On Thu, Feb 24, 2011 at 2:31 PM, Bruce Cran <bruce at cran.org.uk> wrote:
> Hi,
>
> I've been having various issues with my DVD writer on 9-CURRENT. It's a:
>
> cd0: <DVDRW USB H16X B02T> Removable CD-ROM SCSI-0 device
>
> Firstly I noticed that sometimes FreeBSD puts it into some mode where
> the access light flashes continuously, but I can still open and close
> the tray. The only way to fix it is by power cycling it.
>
> Secondly, DVD burning doesn't seem to work. growisofs appears to finish
> without errors but the DVDs are unreadable.

In my case (not usb drive at all) DVD burning worked for DVD+R but
failed with DVD+R DL (causing strange kernel hang).
I used -DATA_CAM instead of atapicam.ko module.