Re: crypto configuration / dependencies broken

[Randy Dunlap <randy.dunlap@oracle.com>]

On Tue, 25 Aug 2009 19:58:52 -0400 Celejar wrote:

> I'm having a pretty bizarre problem with my kernel crypto
> configuration.  I need support for a bog standard LUKS (aes /
> cbc-essiv:sha256) / cryptsetup installation, but even after I enable
> virtually everything in the crypto section of the kernel configs, cbc
> fails to load.  All the relevant modules are exist (dm-mod, dm-crypt,
> crypto_blkcipher, crypto_algapi, crypto_hash, aes_generic,
> sha256_generic), but even after modprobing / insmoding
> everything, /proc/crypto shows that aes and sha is there, but not cbc.
> 
> The problem has been reproduced (using my kernel config) by Jonas
> Meurer, the Debian cryptsetup maintainer, so it's not just me ;).
> We've tried numerous different kernel versions in the .30 / .31 range.
> 
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=541835
> 
> Does this mean that something else somewhere in the kernel needs to be
> configured but isn't, and the necessary dependency isn't properly
> declared?
> 
> My config is at:
> http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=45;filename=config-2.6.31-rc6-lizzie-00042-gb2add73;att=1;bug=541835
> 
> [I'm not subscribed to lkml; please cc me on responses]


You could try/test a patch that was just posted:
  http://lkml.org/lkml/2009/8/27/249


---
~Randy
LPC 2009, Sept. 23-25, Portland, Oregon
http://linuxplumbersconf.org/2009/