Also I noticed power draw peak before miner start hashing.It goes 10-15% up, this also should be fixed. Everything else is very good. Very good software.
Someone correct me if I am wrong.
But that should be normal, and all electronics spike when they are started up, just check your computer for example. Also, in Kernel Log, you can find a timestamp for that spike, I think it is exactly when all hashboards are being tested by control board or are powered up. They usually start at 21v (S17+) or 20v (S17e) and then go back down.
For example (S17+):
2020-02-03 10:11:15 power_api.c:209:power_init: current_voltage_raw = 0
2020-02-03 10:11:15 power_api.c:210:power_init: highest_voltage_raw = 2100
2020-02-03 10:11:15 power_api.c:211:power_init: working_voltage_raw = 1950
2020-02-03 10:11:15 power_api.c:212:power_init: higher_voltage_raw = 2040
2020-02-03 10:11:15 driver-btm-api.c:1792:bitmain_board_init: Enter 30s sleep to make sure power release finish.
2020-02-03 10:11:47 power_api.c:262:set_to_highest_voltage: Set to voltage raw 2100, one step.
2020-02-03 10:11:49 power_api.c:83:check_voltage_multi: retry time: 0
2020-02-03 10:11:50 power_api.c:38:_get_avg_voltage: chain = 0, voltage = 21.038313
2020-02-03 10:11:51 power_api.c:38:_get_avg_voltage: chain = 1, voltage = 21.067861
2020-02-03 10:11:52 power_api.c:38:_get_avg_voltage: chain = 2, voltage = 21.073170
2020-02-03 10:11:52 power_api.c:51:_get_avg_voltage: average_voltage = 21.059781
2020-02-03 10:11:52 power_api.c:69:check_voltage: target_vol = 21.00, actural_vol = 21.06, check voltage passed.
And this is their working voltage (S17+):
2020-02-03 10:13:13 power_api.c:38:_get_avg_voltage: chain = 0, voltage = 19.388249
2020-02-03 10:13:14 power_api.c:38:_get_avg_voltage: chain = 1, voltage = 19.388747
2020-02-03 10:13:15 power_api.c:38:_get_avg_voltage: chain = 2, voltage = 19.414633
2020-02-03 10:13:15 power_api.c:51:_get_avg_voltage: average_voltage = 19.397210
2020-02-03 10:13:15 power_api.c:69:check_voltage: target_vol = 19.40, actural_vol = 19.40, check voltage passed.