On 09/03/2006 Bastian Kleineidam wrote: > You wrote: > > Do you have the image still on disk? Can you try to open it via the > > loopback driver? > > > > losetup /dev/loopX image > > cryptsetup --readonly /dev/loopX _image > > The losetup case works. Everything I do on disk works fine, only on DVD > it fails. > I debugged a little and found out that the difference between disk and > DVD is the lib/utils.c:sector_size() return value: for my disc > (dev/hdaX), it is 512, on DVD (/dev/hdc) it is 2048. The sector size is > used in the read_blockwise() function, together with some alignment code > I don't really grok. Perhaps this is where things go wrong?
i've tried to reproduce this bug, and indeed luksOpen fails for me with a similar error message. i tried also plain dm-crypt, and discovered that 'cryptsetup create' doesn't fail. the created device is mountable and contains all the data which i put into the encrypted iso image. in other words, the bug must be related to luks, it's not reproducible when using plain dm-crypt. just wanted to let you know, in case that you are not already aware of it. ... jonas
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