=============== Log rollover at Sun Apr 16 19:07:53 2023 ===============
Starting Klippy...
Args: ['/home/pi/klipper/klippy/klippy.py', '/home/pi/printer_data/config/printer.cfg', '-l', '/home/pi/printer_data/logs/klippy.log', '-I', '/home/pi/printer_data/comms/klippy.serial', '-a', '/home/pi/printer_data/comms/klippy.sock']
Git version: 'v0.11.0-175-gcba119db'
CPU: 4 core ?
Python: '3.9.2 (default, Mar 12 2021, 04:06:34) \n[GCC 10.2.1 20210110]'
Building C code module c_helper.so
Start printer at Sun Apr 16 19:08:02 2023 (1681690082.4 315.0)
===== 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
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
webhooks client 4129956528: New connection
webhooks client 4129956528: Client info {'program': 'Moonraker', 'version': 'v0.8.0-30-g110cbd1'}
webhooks client 4129956528: Disconnected
webhooks client 4129824600: New connection
webhooks client 4129824600: Client info {'program': 'Moonraker', 'version': 'v0.8.0-35-geff0901'}
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
MCU error during connect
Traceback (most recent call last):
  File "/home/pi/klipper/klippy/mcu.py", line 798, in _mcu_identify
    self._serial.connect_uart(self._serialport, self._baud, rts)
  File "/home/pi/klipper/klippy/serialhdl.py", line 182, in connect_uart
    self._error("Unable to connect")
  File "/home/pi/klipper/klippy/serialhdl.py", line 61, in _error
    raise error(self.warn_prefix + (msg % params))
serialhdl.error: mcu 'mcu': Unable to connect

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/pi/klipper/klippy/klippy.py", line 176, in _connect
    self.send_event("klippy:mcu_identify")
  File "/home/pi/klipper/klippy/klippy.py", line 263, in send_event
    return [cb(*params) for cb in self.event_handlers.get(event, [])]
  File "/home/pi/klipper/klippy/klippy.py", line 263, in <listcomp>
    return [cb(*params) for cb in self.event_handlers.get(event, [])]
  File "/home/pi/klipper/klippy/mcu.py", line 803, in _mcu_identify
    raise error(str(e))
mcu.error: mcu 'mcu': Unable to connect
No build file /home/pi/klipper/klippy/../.config
No build file /home/pi/klipper/klippy/../out/klipper.dict
No build file /home/pi/klipper/klippy/../out/klipper.elf
Unable to issue reset command on MCU 'mcu'
webhooks client 4129824600: Disconnected
Restarting printer
Start printer at Sun Apr 16 19:10:36 2023 (1681690236.2 468.8)
===== 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
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
webhooks client 4129823736: New connection
webhooks client 4129823736: Client info {'program': 'Moonraker', 'version': 'v0.8.0-35-geff0901'}
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
webhooks client 4129823736: Disconnected
Restarting printer
Start printer at Sun Apr 16 19:11:48 2023 (1681690308.7 541.3)
===== 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
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
webhooks client 4134845528: New connection
webhooks client 4134845528: Client info {'program': 'Moonraker', 'version': 'v0.8.0-35-geff0901'}
Unable to issue reset command on MCU 'mcu'
webhooks client 4134845528: Disconnected
Restarting printer
Start printer at Sun Apr 16 19:11:53 2023 (1681690313.4 546.0)
===== 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
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
webhooks client 4134971904: New connection
webhooks client 4134971904: Client info {'program': 'Moonraker', 'version': 'v0.8.0-35-geff0901'}
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
MCU error during connect
Traceback (most recent call last):
  File "/home/pi/klipper/klippy/mcu.py", line 798, in _mcu_identify
    self._serial.connect_uart(self._serialport, self._baud, rts)
  File "/home/pi/klipper/klippy/serialhdl.py", line 182, in connect_uart
    self._error("Unable to connect")
  File "/home/pi/klipper/klippy/serialhdl.py", line 61, in _error
    raise error(self.warn_prefix + (msg % params))
serialhdl.error: mcu 'mcu': Unable to connect

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/pi/klipper/klippy/klippy.py", line 176, in _connect
    self.send_event("klippy:mcu_identify")
  File "/home/pi/klipper/klippy/klippy.py", line 263, in send_event
    return [cb(*params) for cb in self.event_handlers.get(event, [])]
  File "/home/pi/klipper/klippy/klippy.py", line 263, in <listcomp>
    return [cb(*params) for cb in self.event_handlers.get(event, [])]
  File "/home/pi/klipper/klippy/mcu.py", line 803, in _mcu_identify
    raise error(str(e))
mcu.error: mcu 'mcu': Unable to connect
No build file /home/pi/klipper/klippy/../.config
No build file /home/pi/klipper/klippy/../out/klipper.dict
No build file /home/pi/klipper/klippy/../out/klipper.elf
webhooks client 4134971904: Disconnected
Restarting printer
Start printer at Sun Apr 16 19:13:31 2023 (1681690411.5 644.1)
===== 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
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
webhooks client 4134970800: New connection
webhooks client 4134970800: Client info {'program': 'Moonraker', 'version': 'v0.8.0-35-geff0901'}
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0'
MCU error during connect
Traceback (most recent call last):
  File "/home/pi/klipper/klippy/mcu.py", line 798, in _mcu_identify
    self._serial.connect_uart(self._serialport, self._baud, rts)
  File "/home/pi/klipper/klippy/serialhdl.py", line 182, in connect_uart
    self._error("Unable to connect")
  File "/home/pi/klipper/klippy/serialhdl.py", line 61, in _error
    raise error(self.warn_prefix + (msg % params))
serialhdl.error: mcu 'mcu': Unable to connect

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/pi/klipper/klippy/klippy.py", line 176, in _connect
    self.send_event("klippy:mcu_identify")
  File "/home/pi/klipper/klippy/klippy.py", line 263, in send_event
    return [cb(*params) for cb in self.event_handlers.get(event, [])]
  File "/home/pi/klipper/klippy/klippy.py", line 263, in <listcomp>
    return [cb(*params) for cb in self.event_handlers.get(event, [])]
  File "/home/pi/klipper/klippy/mcu.py", line 803, in _mcu_identify
    raise error(str(e))
mcu.error: mcu 'mcu': Unable to connect
Build file /home/pi/klipper/klippy/../.config(1331): Sun Apr 16 19:13:55 2023
========= Last MCU build config =========
# CONFIG_LOW_LEVEL_OPTIONS is not set
CONFIG_MACH_AVR=y
# CONFIG_MACH_ATSAM is not set
# CONFIG_MACH_ATSAMD is not set
# CONFIG_MACH_LPC176X is not set
# CONFIG_MACH_STM32 is not set
# CONFIG_MACH_HC32F460 is not set
# CONFIG_MACH_RP2040 is not set
# CONFIG_MACH_PRU is not set
# CONFIG_MACH_AR100 is not set
# CONFIG_MACH_LINUX is not set
# CONFIG_MACH_SIMU is not set
CONFIG_AVR_SELECT=y
CONFIG_BOARD_DIRECTORY="avr"
CONFIG_MACH_atmega2560=y
# CONFIG_MACH_atmega1280 is not set
# CONFIG_MACH_at90usb1286 is not set
# CONFIG_MACH_at90usb646 is not set
# CONFIG_MACH_atmega32u4 is not set
# CONFIG_MACH_atmega1284p is not set
# CONFIG_MACH_atmega644p is not set
# CONFIG_MACH_atmega328p is not set
# CONFIG_MACH_atmega328 is not set
# CONFIG_MACH_atmega168 is not set
CONFIG_MCU="atmega2560"
CONFIG_AVRDUDE_PROTOCOL="wiring"
CONFIG_CLOCK_FREQ=16000000
CONFIG_AVR_CLKPR=-1
CONFIG_AVR_STACK_SIZE=256
CONFIG_AVR_WATCHDOG=y
CONFIG_SERIAL=y
CONFIG_SERIAL_BAUD_U2X=y
CONFIG_SERIAL_PORT=0
CONFIG_SERIAL_BAUD=250000
CONFIG_USB_VENDOR_ID=0x1d50
CONFIG_USB_DEVICE_ID=0x614e
CONFIG_USB_SERIAL_NUMBER="12345"
CONFIG_CANBUS_FREQUENCY=500000
CONFIG_HAVE_GPIO=y
CONFIG_HAVE_GPIO_ADC=y
CONFIG_HAVE_GPIO_SPI=y
CONFIG_HAVE_GPIO_I2C=y
CONFIG_HAVE_GPIO_HARD_PWM=y
CONFIG_HAVE_GPIO_BITBANGING=y
CONFIG_HAVE_STRICT_TIMING=y
CONFIG_INLINE_STEPPER_HACK=y
=======================
No build file /home/pi/klipper/klippy/../out/klipper.dict
No build file /home/pi/klipper/klippy/../out/klipper.elf