Date: Mon, 8 Mar 2010 23:16:28 +0000 From: Bruce Cran <bruce@cran.org.uk> To: freebsd-questions@freebsd.org Cc: Christoph Kukulies <kuku@kukulies.org> Subject: Re: md5 of /dev/acd0 Message-ID: <201003082316.28451.bruce@cran.org.uk> In-Reply-To: <4B94DEA0.5030103@kukulies.org> References: <4B94DEA0.5030103@kukulies.org>
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On Monday 08 March 2010 11:25:20 Christoph Kukulies wrote: > 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. Try using bs=2048 . -- Bruce Cran
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