I was trying to determine a md5sum from a DVD I had inserted into a
FreeBSD 8.0
on my Dell Inspiron 9400 notebook.
I thought dd if=/dev/acd0 | md5 would work but I got "Invalid argument".
Trying dd if=/dev/acd0 bs=1048k | md5 worked in so far that it didn't
yield an error
but after the DVD stopped spinning the command hung and I only could
bail out using ^C.
Any clues?
--
Christoph
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