A Snappy Gumstix Overo

[Ash Charles]

Hi,

In looking at the release info for Vivid earlier this week, I first
read about Snappy Core---it sounded rather cool--cool enough that I
thought it be fun to try it on a Gumstix board :). I put together an
OEM snap (unsigned...how does one go about signing it?) and a dd'able
image for Gumstix Overo in case anyone else wants to give it a go.

For dd'ing (compressed 4GB image):
 $ wget http://gumstix-snappy.s3.amazonaws.com/overo.img.xz
 $ xz -d overo.img.xz
 $ sudo dd if=overo.img of=<your-drive-here> bs=4k

For just the snap (much smaller download)
 $ wget http://gumstix-snappy.s3.amazonaws.com/overo.snap
 $ sudo ubuntu-device-flash core -o overo.img --oem=overo.snap
--developer-mode 15.04
Then dd it!.

The image has a custom MLO and u-boot but uses the default kernel
explicitly assuming the 'omap3-overo-storm-tobi.dtb' (can be changed
in uEnv.txt as needed).  I see a long (say, 20 second pause) after the
'Starting Kernel...' line (I assume because the initrd takes a while
to load) but then the boot continues properly.  A quick
 $ ssh ubuntu at overo.local
 # sudo snappy install xkcd-webserver
 later and I can happily browse xkcd comics by visiting
http://overo.local on the local network.

If you happen to have a Gumstix Overo and give this a whirl (or even
if you don't :) ), I'd love any feedback or suggestions---I whipped
this together with very little knowledge of Snappy core so I'm sure
there is lots to improve.

--Ash