ASICMiner USB Block Erupter
cgminer 3.3.1

I get

AMU0: Comms error (werr=-7 amt=0)



cgminer 3.1.1 works fine.  I couldn't get 3.2.1 to work.

I'm starting 3.1.1 with --icarus-options and --icarus-timing and -S and the pool info.

I'm starting 3.3.1 with just the pool info.