versioned partitioned upgrading: safety boot configuration
dsd at laptop.org
Thu Nov 5 02:11:46 EST 2009
Thanks, your mails are really helpful.
On Wed, 2009-11-04 at 21:02 -0500, Michael Stone wrote:
> Second, unfortunately, the instructions as written are *not* equivalent:
> Mitch and Scott decided to simplify the partitioned design by insisting
> a) boot:/boot be a symlink pointing to 'boot-versions/XXX'
> b) boot:/boot/alt be a symlink pointing to '../YYY'.
I don't understand what you mean here - you are saying that the
instructions currently on the wiki are not equivalent to the
instructions originally written by Mitch and Scott?
The wiki agrees with those symlinks above.
> P.S. - Tit for tat: how is the correct root partition identified and
> communicated from ??? -> OFW -> initramfs -> ??? -> updater -> ????
OFW looks for boot/olpc.fth on the first partition of the internal SD
" root=/dev/mmcblk0p2 ......." to boot-file
the kernel ignores root= because we're using an initramfs, but the
initramfs parses it
I'm not sure if we've yet done the work/investigation to make sure that
if there is an external SD card plugged in, the internal one is still
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