[vox-tech] Et tu, Debian

[Eric Lin]

On Tue, Dec 15, 2009 at 08:03:53PM -0800, Richard Harke wrote:
> Recent news that some MS users are locked out of their files by a screw up
> at MSN.
> Well, Debian has me locked out of some files. I have some data in an
> encrypted
> file system and I use loopback and cryptsetup to get to it. I very recently
> installed
> lenny for amd64, then today after I installed cryptsetup I found it would
> not run.
> Error message:
> Command failed: Incompatible libdevmapper 1.02.27 (2008-06-25)(compat) and
> kernel driver

This could be due to not running cryptsetup as root, which I'm assuming
you're doing, not having certain kernel modules loaded (aes, dm_mod, and
dm-crypt), or not having the right version of libdevmapper.

Let's start with the simplest solution and try to load the right
modules.  This seems to have solved it for many people with the same
issue:

modprobe aes dm-crypt dm_mod

Run it as root, and hopefully the problem's solved.

> There is only one version of libdevmapper on the debian site for stable,
> testing and unstable.
> There is a different verion of cryptsetup for testing (I'm running stable)
> but it won't install
> due to other conflicts. Despite the version in the error message, ldd shows
> that
> cryptsetup is looking for libdevmapper.so.1.02.1
> The debian site gives 1.02.1 as the version of the package but says the
> library is at
> version 1.02.27
> 
> Can anyone make sense of this?
> 
> Richard harke

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-Eric