Date: Fri, 21 Aug 2009 17:22:54 +0200 From: Ulrich =?utf-8?B?U3DDtnJsZWlu?= <uqs@spoerlein.net> To: Drew Tomlinson <drew@mykitchentable.net> Cc: freebsd-current@freebsd.org, Stefan Bethke <stb@lassitu.de> Subject: Re: How To Copy DVD to ISO File Message-ID: <20090821152254.GB91417@acme.spoerlein.net> In-Reply-To: <4A8C5CF5.2040104@mykitchentable.net> References: <4A8C5475.3020205@mykitchentable.net> <9598E097-F552-4E66-B53B-5EA2CDF05E4F@lassitu.de> <4A8C5CF5.2040104@mykitchentable.net>
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On Wed, 19.08.2009 at 13:13:41 -0700, Drew Tomlinson wrote: > Stefan Bethke wrote: > > Am 19.08.2009 um 21:37 schrieb Drew Tomlinson: > >> dd: /dev/acd0: Invalid argument > >> 0+0 records in > >> 0+0 records out > >> 0 bytes transferred in 0.000132 secs (0 bytes/sec) > >> > >> I googled some more and thought that loading atapicam.ko might help. > >> But yet I get the same error when using /dev/cd0. > >> > >> So what am I doing wrong? > > > > The driver only supports reads of blocksized chunks, so: > > $ dd if=/dec/acd0 bs=2048 ... > > should work. > > Thanks! That was it. I'm usually getting snagged by some sort of > "BS"... :) recoverdisk(1) should be faster, use it like this: # touch image.iso # recoverdisk /dev/acd0 image.iso Regards, Uli
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