Starting Klippy...
Args: ['/home/pi/klipper/klippy/klippy.py', '/home/pi/printer.cfg', '-l', '/tmp/klippy.log']
Git version: 'v0.10.0-594-g7290c145'
CPU: 4 core ARMv7 Processor rev 3 (v7l)
Python: '2.7.16 (default, Oct 10 2019, 22:02:15) \n[GCC 8.3.0]'
Start printer at Sat Oct  8 18:04:13 2022 (1665248653.3 142.8)
===== Config file =====
[stepper_x]
step_pin = PC2
dir_pin = PB9
enable_pin = !PC3
microsteps = 16
rotation_distance = 40
endstop_pin = ^PA5
position_endstop = 0
position_max = 235
homing_speed = 50

[stepper_y]
step_pin = PB8
dir_pin = PB7
enable_pin = !PC3
microsteps = 16
rotation_distance = 40
endstop_pin = ^PA6
position_endstop = 0
position_max = 235
homing_speed = 50

[stepper_z]
step_pin = PB6
dir_pin = !PB5
enable_pin = !PC3
microsteps = 16
rotation_distance = 8
endstop_pin = ^PA7
position_endstop = 0.0
position_max = 250

[extruder]
max_extrude_only_distance = 100.0
step_pin = PB4
dir_pin = PB3
enable_pin = !PC3
microsteps = 16
rotation_distance = 34.406
nozzle_diameter = 0.400
filament_diameter = 1.750
heater_pin = PA1
sensor_type = EPCOS 100K B57560G104F
sensor_pin = PC5
control = pid
pid_kp = 21.527
pid_ki = 1.063
pid_kd = 108.982
min_temp = 0
max_temp = 250

[heater_bed]
heater_pin = PA2
sensor_type = EPCOS 100K B57560G104F
sensor_pin = PC4
control = pid
pid_kp = 54.027
pid_ki = 0.770
pid_kd = 948.182
min_temp = 0
max_temp = 130

[fan]
pin = PA0

[mcu]
serial = /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0
restart_method = command

[printer]
kinematics = cartesian
max_velocity = 300
max_accel = 3000
max_z_velocity = 5
max_z_accel = 100
=======================
Extruder max_extrude_ratio=0.266081
mcu 'mcu': Starting serial connect
Loaded MCU 'mcu' 105 commands (v0.10.0-594-g7290c145 / gcc: (15:7-2018-q2-6) 7.3.1 20180622 (release) [ARM/embedded-7-branch revision 261907] binutils: (2.31.1-11+rpi1+11) 2.31.1)
MCU 'mcu' config: BUS_PINS_i2c1=PB6,PB7 BUS_PINS_i2c2=PB10,PB11 BUS_PINS_i2c1a=PB8,PB9 RESERVE_PINS_serial=PA10,PA9 BUS_PINS_spi1a=PB4,PB5,PB3 STATS_SUMSQ_BASE=256 RECEIVE_WINDOW=192 STEPPER_BOTH_EDGE=1 SERIAL_BAUD=250000 ADC_MAX=4095 BUS_PINS_spi3=PB4,PB5,PB3 BUS_PINS_spi2=PB14,PB15,PB13 BUS_PINS_spi1=PA6,PA7,PA5 PWM_MAX=255 MCU=stm32f103xe CLOCK_FREQ=72000000
Sending MCU 'mcu' printer configuration...
Configured MCU 'mcu' (1024 moves)
Starting heater checks for heater_bed
Starting heater checks for extruder
Read g-code
Traceback (most recent call last):
  File "/home/pi/klipper/klippy/gcode.py", line 400, in _process_data
    data = str(os.read(self.fd, 4096).decode())
UnicodeDecodeError: 'ascii' codec can't decode byte 0xff in position 0: ordinal not in range(128)