I'm liking these little things but I keep getting problems with it.  I start it up and it runs fine for a few minutes at almost 70k, then after a mere five to ten minutes I get this:

DM0: Comms error
Failed to open dualminer pn //./com158

DM0: comms error
DM 0 failure, disabling!
Thread 0 being disabled

Then it stops accepting and my hashrate drops to half, then to half of a half, then to half of that half, and so on.

Saw this mentioned earlier in the thread but didn't catch the answer.

Anyone know if I just need a hub for them to work best, or is this a diver issue?