mounting/reading a DVD

[CryptWizard]

It's because the DVD is copy protected.

On Jan 27, 2008 2:53 PM, Mikhail Teterin <mi+kde at aldan.algebra.com> wrote:
> Hello!
>
> I finally got to opening a DVD I received for New Year and wanted to back it
> up before watching.
>
> I mounted the disk:
>
>         /dev/acd0 on /cdrom (cd9660, local, read-only)
>
> and I can list the contents:
>
>         env LANG=C ls -l /cdrom/
>         total 8
>         dr-xr-xr-x  1 root  wheel  2048 Oct  6  2005 audio_ts
>         dr-xr-xr-x  1 root  wheel  2048 Oct  6  2005 jacket_p
>         dr-xr-xr-x  1 root  wheel  4096 Oct  6  2005 video_ts
>
>
> But when I try to copy all that to a hard-drive, I get a ton of read-errors --
> most of the many files on the disk are unreadable:
>
>         ...
>         g_vfs_done():acd0[READ(offset=4623824896, length=65536)]error = 5
>         acd0: FAILURE - READ_BIG ILLEGAL REQUEST asc=0x6f ascq=0x04
>         g_vfs_done():acd0[READ(offset=4623828992, length=65536)]error = 5
>         acd0: FAILURE - READ_BIG ILLEGAL REQUEST asc=0x6f ascq=0x04
>         ...
>
> ``dd'' refuses to read from /dev/acd0:
>
>         dd: /dev/acd0: Invalid argument
>
> cat tries to, but fails:
>
>         cat: stdin: Input/output error
>
> Is there a step I'm missing? I strongly doubt, the disk is damaged, as I just
> unwrapped it myself...
>
> I'm on FreeBSD/amd64 running 6.3 as of Dec 30th. The DVD-drive is:
>
>         acd0: DVDR <MATSHITADVD-RAM SW-9585/B100> at ata1-master UDMA66
>
> Thanks!
>
>         -mi
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