I am running the Fedora-Minimal-armhfp-21-20140815 build on my
Cubieboard2, so tell me if this has been fixed and I missed it, but...
Testing with a USB drive on the USB/OTG port nothing happens. It is
recognized on a regular USB port.
on
http://linux-sunxi.org/Linux_mainlining_effort, I see a comment from
10 months ago that OTG needs more work.