[olpc-nz] Fwd: [support-gang] updating XO builds

[Tabitha Roder]

Forwarding this message from the support gang mailing list as it gives the
background on why we need img and crc files for updating the XO builds.


---------- Forwarded message ----------
From: James Cameron <quozl at laptop.org>
Date: 24 June 2010 18:08
Subject: Re: [support-gang] os180py still not installed :(
To: "Community Support Volunteers -- who help respond to help AT laptop.org"
<support-gang at lists.laptop.org>


On Thu, Jun 24, 2010 at 01:38:12AM -0400, Kevin Mark wrote:
> You do know that the install requires 2 files? you might be missing
> the os140py.crc?

I agree.

It can be confusing.  Here's some background information.  We have lots
of different ways to install ...

0.  the XO-1 signed method requires .img and fs.zip files, and you hold
down the four game pad buttons, but this only works for signed builds,

1.  the XO-1 development method requires .img and .crc files, and you
use the copy-nand command,

2.  the XO-1 alternate development method used by partitioned
development images requires .dat and .img files, and you use the
update-nand command,

3.  the XO-1.5 signed method requires .zd and fs.zip files, and you hold
down the four game pad buttons, ... notice how this is the same as for XO-1
... quite intentional; we don't want to increase the training burden for
the deployment teams,

4.  the XO-1.5 development method requires .zd file alone, and you use
the fs-update command.

So, if you're used to #0 and you are trying #1 for the first time, you
end up having to disable security and get an extra .crc file.

--
James Cameron
http://quozl.linux.org.au/
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