[2014-01-17 09:52:59] -----------------start nonce------------------
 [2014-01-17 09:52:59] Bmsc send golden nonce
 [2014-01-17 09:52:59] Bmsc recv golden nonce timeout
 [2014-01-17 09:53:05] -----------------start freq-------------------
 [2014-01-17 09:53:05] Send frequency 82078106
 [2014-01-17 09:53:06] Send freq getstatus 84000400
 [2014-01-17 09:53:08] Send freq getstatus 84000400
 [2014-01-17 09:53:09] ------recv freq getstatus no data finish------
 [2014-01-17 09:53:09] -----------------start nonce------------------



Do you have multiple u1's?

try starting cgminer with just one u1 - if that works, start it with one and then physically add them one at a time with cgminer running.

nonce timeout makes me think at least one isn't working.