Lost CAM Access to DVD Writer

Henri Hennebert hlh at restart.be
Thu Sep 5 07:52:00 UTC 2013

On 09/02/2013 01:54, Thomas Laus wrote:
> Hi,
>>>> :-( Unable to CAMGETPASSTHRU for /dev/cd0 Inappropriate ioctl for 
> device.

I encounter the same problem and reinstalling dvd+rw-tools-7.1 solved it.


>> Could someone else try to make a 'dump to DVD' backup [...]
>> /sbin/dump -0u  -L -C16 -B4589840 -P 'growisofs -Z /dev/cd0=/dev/fd/0' /u
> A test with less disk load would be to write e.g. 100 MB of zeros
> to e.g. DVD+RW media (in order to reduce waste):
>   dd if=/dev/zero bs=1M count=100 | growisofs -Z /dev/cd0=/dev/fd/0
> I got the same result and error message as I did when trying to dump the file 
> system on all of the computers that use ATA for disk access.  On the one PC 
> that uses AHCI, it was able to write to the DVD.
> Tom

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