[dm-crypt] Encrypt all partitions with dm-crypt

Javier Juan Martínez Cabezón tazok.id0 at gmail.com
Thu Sep 20 11:18:50 CEST 2012


One question, is your devfs mounted or are you using static nodes
under /dev (as created with mknod)?

2012/9/20, Stayvoid <stayvoid at gmail.com>:
>> So you (or your distro rather) needs to do something like
>>
>> # mount /dev/mapper/root /mnt
>> # switch_root /mnt /sbin/init
>>
>> The distribution you use will affect exactly how you configure this
>> because
>> it's not standard.
>
> It's "something completely different."
> I'm using Lemote YeeLoong and PMON as a bootloader.
>
> PMON's conf is pretty easy to understand:
>
> title 1
> kernel (wd0,0)/vmlinuz-linux-libre
> initrd (wd0,0)/initramfs-linux-libre.img
> args root=/dev/mapper/main console=tty no_auto_cmd
>
> But this is not working.
> It drops me to a recovery shell:
>
> :: running early hook [udev]
> :: running hook [udev]
> :: Triggering uevents...
> ERROR: device '/dev/mapper/main' not found. Skipping fsck.
> ERROR: Unable to find root device '/dev/mapper/main'.
> You are being dropped to a recovery shell
>     Type 'exit' to try and continue booting
> sh: can't access tty; job control turned off
> Trying to continue (this will most likely fail) ...
> :: mounting '/dev/mapper/main' on real root
> mount: special device /dev/mapper/main does not exist
> You are now being dropped into an emergency shell.
> sh: can't access tty; job control turned off
>
> Should it work this way?
> Should I decrypt the main partition using the recovery shell?
> (I can't access /dev/mapper from the recovery shell.)
>
> Thanks
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