Updated the DreamPlug and CuBox-i4 Pro to Kernel 4.1-rc3, from kernel.org..

Fedora release 18 (Spherical Cow)
Kernel 4.1.0-rc3 on an armv5tel (ttyS0)
...............
# uname -a
Linux rgdreamplug 4.1.0-rc3 #2 Mon May 11 15:04:52 PDT 2015 armv5tel armv5tel armv5tel GNU/Linux

Fedora release 22 (Twenty Two)
Kernel 4.1.0-rc3 on an armv7l (ttymxc0)
................
# uname -a
Linux rgcubox 4.1.0-rc3 #1 SMP Mon May 11 18:03:36 EDT 2015 armv7l armv7l armv7l GNU/Linux

The DreamPlug had a problem booting 4.1-rc1 and -rc2, but -rc3 booted OK..

Robert Gadsdon.   May 11, 2015.