Hi,
I fixed this error on my machine.
I have found out that you should never use 1024 on the machine side.
Normally CGMINER and pool communicates about best difficulty, and to start at highest level is a very bad idea from machine side.
Set the machine to 256 (default) and the it works flawlessly.
If you wanna raise difficulty set the minimum diff in the pool. The parameters is called "minimum difficulty" and the difficulty starts at the value you choose. If yu choose 16 it will very soon automaticly raise.
In my 1 Th machines i use 1024 "minimum diff" and in my 200 Gh machines i use 512 or 256.
It doesnt effect the hashpower that much but the 1 Th machines works more stable with 1024 and it also minimize network traffic.
So problem solved :-)
// Urbie
Hi Urbie. Thanks for the advise. I tried what you said, but alas still having troubles with my machine.
You can see in the pic, error rate on module #4 is very high, and therefor the speed is only 700-800 GH/s. Speed on module #4 is obviously wrong.
https://i.imgur.com/s6fcfrv.jpgAlso I have a customer with another machine where the module #4 is not showing up at all, so he's only getting 650-750 GH/s.
https://i.imgur.com/ANd0gue.jpgAny thoughts?