@AFresh1 I think I found the key: https://wiki.odroid.com/odroid-hc4/software/partition_table#tab__odroid-hc4
It looks like it wants a very specific layout because they are probably doing the very simple thing of just grabbing a list of fixed position blocks.
Anyway, it looks like it expects u-boot to be where the GPT partition list goes. So, I think what needs to happen is to rebuild the image using MBR+disklabel partitions. (I don't know the image build internals enough to know if there's an easy way to do this)
@AFresh1 as i understand it, air canada doesn't think you really want a seat unless you also pay the seat reservation fee. #OverSellingFlightsSucks
I fear that @GroffTheBSDGoat has stolen this photo, because he's in it.
@miodvallat
@GroffTheBSDGoat must have escaped.