From mboxrd@z Thu Jan  1 00:00:00 1970
From: Albert ARIBAUD <albert.aribaud@free.fr>
Date: Tue, 04 May 2010 12:55:09 +0200
Subject: [U-Boot] change root password
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Le 04/05/2010 12:48, Nuno Cardoso a ?crit :
> hi,
>
> How can I change root password??
>
> I try this:
>
> 1) stop u-boot and add "init=/bin/sh" to the bootargs variable;
> 2) boot
> 3) passwd -d root (inside shell)
>
>
> but this doesn't work!!!! When I reboot the machine, I cannot login with a
> new password.
>
> Thanks,
> Nuno Cardoso.

This is not a U-boot issue; this is an issue with the operating system 
(at large) to which U-boot transfers control. If you are the designer of 
the OS, then you're basically the boss and you should check why your 
permanent storage does not keep the new password; if you use a 
predesigned OS, turn to the designers for assistance.

Amicalement,
-- 
Albert.