ac100 team mailing list archive

[Oliver Grawert <ogra@xxxxxxxxxx>]

hi,
On Mon, 27 Feb 2012 12:10:40 +0200
Jani Monoses <jani@xxxxxxxxxx> wrote:

> Hi
> 
> On Sun, Feb 26, 2012 at 9:52 AM, Johan Ehnberg <johan@xxxxxxxxxxx>
> wrote:
> > Hi Jani,
> >
> > I would like to see dm_crypt to be able to mount luks encrypted
> > drives.
> >
> >
> 
> I just tried again and remembered the reason why dm_crypt (and all of
> dm) is turned off
> 
> I could not get it to build since switching to the 3.0 tree.
>   Building modules, stage 2.
>   MODPOST 885 modules
> ERROR: "block_class" [drivers/md/dm-mod.ko] undefined!
> make[3]: *** [__modpost] Error 1
> make[2]: *** [modules] Error 2
> make[1]: *** [sub-make] Error 2
> 
> Marc, any idea?
> 
unless somone finds out why initrds are size limited (not sure if
u-boot might solve that, but the current port of u-boot still doesnt
seem mature enough to me to base images by default on it yet) you cant
really use dm-crypt in ubuntu installs due to the fact that cryptsetup
and friends get pulled into the initrd once you install the encrypttion
related userspace packages (happening through dependencies), which makes
it to big for the bootloader (and renders your system unbootable)...

ciao
	oli

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