Quote from: eddyann on April 28, 2014, 08:38:43 AM

Quote from: gjpminingco on April 28, 2014, 08:22:39 AM

I mean is it possible that you PSU could be failing, Have you been monitoring the temps, it could be also that the unit is shutting the hashing units down due to over heating

the unit is in server room. Temp less than 30C. I checked the cgminer log, when it stop hashing it says socket connect failed: Connection refused. If I on/off again the miner, it will hash. If I'm lucky it can hash about 2-3 days non stop. later on it stop hashing. and the log says socket connect failed: Connection refused

Diagnostic ping/traceroute are all ok. no packet loss

I have upgrade the firmware to the latest one. this is Avalon 2 55nm

That is strange... do you get the socket refused & can still ping at the same time? I had the same problem and I had to delete a symlink in the /etc directory that was somehow messing things up. Could it be a problem with the controller? I heard TP-Links can have crash problems like that and u have to reboot them.

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