=============== Log rollover at Thu Aug 30 19:36:21 2018 ===============
Stats 368.5: gcodein=1724 mcu: mcu_awake=0.007 mcu_task_avg=0.000078 mcu_task_stddev=0.000065 bytes_write=3137 bytes_read=42864 bytes_retransmit=9 bytes_invalid=6 send_seq=470 receive_seq=470 retransmit_seq=2 srtt=0.010 rttvar=0.004 rto=0.026 ready_bytes=0 stalled_bytes=0 freq=15971436 heater_bed: target=0 temp=24.5 pwm=0.000 print_time=356.890 buffer_time=0.000 print_stall=0 extruder: target=0 temp=25.2 pwm=0.000
Attempting MCU 'mcu' reset
Restarting printer
Start printer at Thu Aug 30 19:36:22 2018 (1535657782.9 369.8)
===== Config file =====
[stepper_x]
step_pin = ar54
dir_pin = ar55
enable_pin = !ar38
step_distance = .025
endstop_pin = ^ar3
position_endstop = 0
position_max = 230
homing_speed = 50

[stepper_y]
step_pin = ar60
dir_pin = ar61
enable_pin = !ar56
step_distance = .025
endstop_pin = ^ar14
position_endstop = 0
position_max = 230
homing_speed = 50

[stepper_z]
step_pin = ar46
dir_pin = !ar48
enable_pin = !ar62
step_distance = .005
endstop_pin = ^ar18
position_endstop = 0.0
position_max = 220
homing_speed = 20

[extruder]
step_pin = ar26
dir_pin = !ar28
enable_pin = !ar24
step_distance = .00503919
nozzle_diameter = 0.400
filament_diameter = 1.730
pressure_advance = 0.05
heater_pin = ar10
sensor_type = EPCOS 100K B57560G104F
sensor_pin = analog13
control = pid
pid_kp = 13.306
pid_ki = 0.496
pid_kd = 89.316
min_temp = 0
min_extrude_temp = 20
max_temp = 250

[heater_bed]
heater_pin = ar8
sensor_type = EPCOS 100K B57560G104F
sensor_pin = analog14
control = watermark
min_temp = 0
max_temp = 130

[fan]
pin = ar9
max_power = 1.0
cycle_time = 0.05
kick_start_time = 0.1

[mcu]
serial = /dev/serial/by-id/usb-FTDI_FT232R_USB_UART_A907K8EE-if00-port0
pin_map = arduino

[printer]
kinematics = cartesian
max_velocity = 400
max_accel = 3000
max_z_velocity = 40
max_z_accel = 1250
square_corner_velocity = 4.0

[tmc2208 stepper_x]
uart_pin = ar63
microsteps = 4
run_current = 0.7
hold_current = 0.3
stealthchop_threshold = 120

[tmc2208 stepper_y]
uart_pin = ar64
microsteps = 4
run_current = 0.7
hold_current = 0.3
stealthchop_threshold = 120

[tmc2208 stepper_z]
uart_pin = ar65
microsteps = 4
run_current = 0.7
hold_current = 0.3
stealthchop_threshold = 30

[tmc2208 extruder]
uart_pin = ar66
microsteps = 4
run_current = 0.6
hold_current = 0.2
stealthchop_threshold = 0

=======================
Extruder max_extrude_ratio=0.272269
Starting serial connect
Sending MCU 'mcu' printer configuration...
Configured MCU 'mcu' (622 moves)
Loaded MCU 'mcu' 72 commands (v0.6.0-384-g4acda88-20180829_171507-octopi / gcc: (GCC) 5.4.0 binutils: (GNU Binutils) 2.26.20160125)
MCU 'mcu' config: RECEIVE_WINDOW=192 SOFT_PWM_MAX=256 SERIAL_BAUD=250000 ADC_MAX=1023 PWM_MAX=255 CLOCK_FREQ=16000000 MCU=atmega2560 STATS_SUMSQ_BASE=256
Starting heater checks for heater_bed
Starting heater checks for extruder
Config error
Traceback (most recent call last):
  File "/home/pi/klipper/klippy/klippy.py", line 252, in _connect
    cb('ready')
  File "/home/pi/klipper/klippy/extras/tmc2208.py", line 197, in printer_state
    self.set_register(reg_name, val)
  File "/home/pi/klipper/klippy/extras/tmc2208.py", line 214, in set_register
    self.ifcnt = ifcnt = self.get_register("IFCNT")
  File "/home/pi/klipper/klippy/extras/tmc2208.py", line 208, in get_register
    "Unable to read tmc2208 '%s' register %s" % (self.name, reg_name))
Error: Unable to read tmc2208 'stepper_x' register IFCNT