Sudo gainroot... Cal_read_block?

[IcerC]

I am trying to boot from mmc.


I did this:
How to become root of your Nokia tablet

After buying your tablet (or after re-flashing it) you may not become root because you don't have the necessary packages installed. To become root you first run the 'Application Manager' and add the following repositories via: TOOLS > APPLICATION MANAGER > TOOLS > APPLICATION CATALOG > NEW ...
Web address: http://eko.one.pl/maemo/

Distribution: mistral
Components: user

Then for N770 add
Web address: http://repository.maemo.org/

I downloaded
http://770.fs-security.com/xterm/files/test/

I enter Xterminal and type:
sudo gainroot

And got... password:
exited and tried and now I get... Cal_read_block(r&d_mode) : size zero, block not found?
Enable RD mode if you want to break your device

..I don' think I want to break my device, do I?

Any help appreciated.

[IcerC]

No one?

What is this?
Cal_read_block(r&d_mode) : size zero, block not found?
Enable RD mode if you want to break your device