dvd+rw-mediainfo hangs

["chen zhao" <dinningc@hotmail.com>]

Hello,

   I have a kernel 2.6.3, everything else is fine, but I couldn't mount my 
dvd

# mount /mnt/dvd
/dev/dvd: Invalid argument
mount: you must specify the filesystem type

# mount /dev/dvd -t udf /mnt/dvd
mount: block device /dev/dvd is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/dvd,
      or too many mounted file systems

   So I tried

# dvd+rw-mediainfo /dev/dvd
INQUIRY:                [TOSHIBA ][DVD-ROM SD-R6112][1709]

   Then it hangs there, and I can't even kill dvd+rw-mediainfo. Can anyone 
please help? Thanks, Chen

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