Guys, what is the CPU load (especially by bmminer process) in your S9s while it hashing? Please share a screenshot here.
Mem: 58724K used, 957076K free, 0K shrd, 837488K buff, 837536K cached
CPU: 0.0% usr 5.2% sys 0.0% nic 94.7% idle 0.0% io 0.0% irq 0.0% sirq
Load average: 0.35 0.25 0.24 1/86 18033