Spits out a bunch of errors out for me.
[2013-11-17 23:00:38] AMU 0 SendWork usb write err:(-12) LIBUSB_ERROR_NOT_SUPPORTED
along with this after it finishes spitting out the errors.
[2013-11-17 22:51:49] Started cgminer 3.8.1
modprobe: module i2c-dev not found in modules.dep
[2013-11-17 22:51:51] BlackArrowBitFuryGPIO failed to modprobe i2c-dev (256) - you need to be root?
[2013-11-17 22:51:51] No devices detected!
[2013-11-17 22:51:51] Waiting for USB hotplug devices or press q to quit
[2013-11-17 22:51:51] Probing for an alive pool
[2013-11-17 22:51:52] Pool 0 difficulty changed to 2
[2013-11-17 22:51:53] Network diff set to 609M
(5s):0.000 (avg):0.000h/s | A:0 R:0 HW:0 WU:0.0/m