Starting Klippy... Args: ['/home/pi/klipper/klippy/klippy.py', '/home/pi/printer.cfg', '-l', '/tmp/klippy.log'] Git version: '4c8d24a' CPU: 4 core ARMv7 Processor rev 4 (v7l) Python: '2.7.16 (default, Oct 10 2019, 22:02:15) \n[GCC 8.3.0]' Start printer at Sat Apr 16 15:41:49 2022 (1650141709.8 11.8) ===== Config file ===== [stepper_x] step_pin = PB13 dir_pin = !PB12 enable_pin = !PB14 microsteps = 16 rotation_distance = 40 endstop_pin = ^PC0 position_endstop = 0 position_max = 235 homing_speed = 50 [tmc2209 stepper_x] uart_pin = PC11 tx_pin = PC10 uart_address = 0 run_current = 0.580 stealthchop_threshold = 999999 [stepper_y] step_pin = PB10 dir_pin = !PB2 enable_pin = !PB11 microsteps = 16 rotation_distance = 40 endstop_pin = ^PC1 position_endstop = 0 position_max = 235 homing_speed = 50 [tmc2209 stepper_y] uart_pin = PC11 tx_pin = PC10 uart_address = 2 run_current = 0.580 stealthchop_threshold = 999999 [stepper_z] step_pin = PB0 dir_pin = PC5 enable_pin = !PB1 microsteps = 16 rotation_distance = 8 endstop_pin = ^PC2 position_endstop = 0.0 position_max = 250 [tmc2209 stepper_z] uart_pin = PC11 tx_pin = PC10 uart_address = 1 run_current = 0.580 stealthchop_threshold = 999999 [extruder] step_pin = PB3 dir_pin = !PB4 enable_pin = !PD2 microsteps = 16 rotation_distance = 33.500 nozzle_diameter = 0.400 filament_diameter = 1.750 heater_pin = PC8 sensor_type = EPCOS 100K B57560G104F sensor_pin = PA0 control = pid pid_kp = 21.527 pid_ki = 1.063 pid_kd = 108.982 min_temp = 0 max_temp = 250 [tmc2209 extruder] uart_pin = PC11 tx_pin = PC10 uart_address = 3 run_current = 0.650 stealthchop_threshold = 999999 [heater_bed] heater_pin = PC9 sensor_type = ATC Semitec 104GT-2 sensor_pin = PC3 control = pid pid_kp = 54.027 pid_ki = 0.770 pid_kd = 948.182 min_temp = 0 max_temp = 130 [heater_fan nozzle_cooling_fan] pin = PC7 [fan] pin = PC6 [mcu] serial = /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00 [printer] kinematics = cartesian max_velocity = 300 max_accel = 3000 max_z_velocity = 5 max_z_accel = 100 [static_digital_output usb_pullup_enable] pins = !PA14 [board_pins] aliases = EXP1_1=PB5, EXP1_3=PA9, EXP1_5=PA10, EXP1_7=PB8, EXP1_9=, EXP1_2=PA15, EXP1_4=, EXP1_6=PB9, EXP1_8=PB15, EXP1_10=<5V> ======================= 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-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00' MCU error during connect Traceback (most recent call last): File "/home/pi/klipper/klippy/klippy.py", line 158, in _connect self.send_event("klippy:mcu_identify") File "/home/pi/klipper/klippy/klippy.py", line 248, in send_event return [cb(*params) for cb in self.event_handlers.get(event, [])] File "/home/pi/klipper/klippy/mcu.py", line 779, in _mcu_identify raise error(str(e)) error: mcu 'mcu': Unable to connect Build file /home/pi/klipper/klippy/../.config(2626): Sat Apr 16 15:10:59 2022 ========= Last MCU build config ========= CONFIG_LOW_LEVEL_OPTIONS=y # CONFIG_MACH_AVR is not set # CONFIG_MACH_ATSAM is not set # CONFIG_MACH_ATSAMD is not set # CONFIG_MACH_LPC176X is not set CONFIG_MACH_STM32=y # CONFIG_MACH_RP2040 is not set # CONFIG_MACH_PRU is not set # CONFIG_MACH_LINUX is not set # CONFIG_MACH_SIMU is not set CONFIG_BOARD_DIRECTORY="stm32" CONFIG_MCU="stm32f103xe" CONFIG_CLOCK_FREQ=72000000 CONFIG_USBSERIAL=y CONFIG_FLASH_START=0x8007000 CONFIG_FLASH_SIZE=0x10000 CONFIG_RAM_START=0x20000000 CONFIG_RAM_SIZE=0x5000 CONFIG_STACK_SIZE=512 CONFIG_STM32_SELECT=y CONFIG_MACH_STM32F103=y # CONFIG_MACH_STM32F207 is not set # CONFIG_MACH_STM32F401 is not set # CONFIG_MACH_STM32F405 is not set # CONFIG_MACH_STM32F407 is not set # CONFIG_MACH_STM32F429 is not set # CONFIG_MACH_STM32F446 is not set # CONFIG_MACH_STM32F031 is not set # CONFIG_MACH_STM32F042 is not set # CONFIG_MACH_STM32F070 is not set # CONFIG_MACH_STM32F072 is not set # CONFIG_MACH_STM32G0B1 is not set # CONFIG_MACH_STM32H743 is not set # CONFIG_MACH_STM32H750 is not set CONFIG_MACH_STM32F1=y CONFIG_HAVE_STM32_USBFS=y CONFIG_HAVE_STM32_CANBUS=y # CONFIG_STM32F103GD_DISABLE_SWD is not set # CONFIG_STM32_FLASH_START_2000 is not set # CONFIG_STM32_FLASH_START_5000 is not set CONFIG_STM32_FLASH_START_7000=y # CONFIG_STM32_FLASH_START_8000 is not set # CONFIG_STM32_FLASH_START_8800 is not set # CONFIG_STM32_FLASH_START_10000 is not set # CONFIG_STM32_FLASH_START_800 is not set # CONFIG_STM32_FLASH_START_4000 is not set # CONFIG_STM32_FLASH_START_0000 is not set CONFIG_STM32_CLOCK_REF_8M=y # CONFIG_STM32_CLOCK_REF_12M is not set # CONFIG_STM32_CLOCK_REF_16M is not set # CONFIG_STM32_CLOCK_REF_25M is not set # CONFIG_STM32_CLOCK_REF_INTERNAL is not set CONFIG_CLOCK_REF_FREQ=8000000 CONFIG_STM32F0_TRIM=16 CONFIG_STM32_USB_PA11_PA12=y # CONFIG_STM32_SERIAL_USART1 is not set # CONFIG_STM32_SERIAL_USART1_ALT_PB7_PB6 is not set # CONFIG_STM32_SERIAL_USART2 is not set # CONFIG_STM32_SERIAL_USART2_ALT_PD6_PD5 is not set # CONFIG_STM32_SERIAL_USART3 is not set # CONFIG_STM32_SERIAL_USART3_ALT_PD9_PD8 is not set # CONFIG_STM32_CANBUS_PA11_PA12 is not set # CONFIG_STM32_CANBUS_PB8_PB9 is not set CONFIG_CANBUS_FREQUENCY=500000 CONFIG_USB_VENDOR_ID=0x1d50 CONFIG_USB_DEVICE_ID=0x614e CONFIG_USB_SERIAL_NUMBER_CHIPID=y CONFIG_USB_SERIAL_NUMBER="12345" # # USB ids # # end of USB ids CONFIG_INITIAL_PINS="!PA13" 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_HAVE_CHIPID=y CONFIG_HAVE_STEPPER_BOTH_EDGE=y CONFIG_INLINE_STEPPER_HACK=y ======================= Build file /home/pi/klipper/klippy/../out/klipper.dict(6803): Sat Apr 16 15:11:27 2022 Last MCU build version: 4c8d24a Last MCU build tools: 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 Last MCU build config: BUS_PINS_i2c1=PB6,PB7 BUS_PINS_i2c2=PB10,PB11 RESERVE_PINS_USB=PA11,PA12 BUS_PINS_i2c1a=PB8,PB9 INITIAL_PINS=!PA13 STEPPER_BOTH_EDGE=1 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 STATS_SUMSQ_BASE=256 BUS_PINS_spi1a=PB4,PB5,PB3 CLOCK_FREQ=72000000 Build file /home/pi/klipper/klippy/../out/klipper.elf(269564): Sat Apr 16 15:11:36 2022 mcu 'mcu': Unable to connect Once the underlying issue is corrected, use the "FIRMWARE_RESTART" command to reset the firmware, reload the config, and restart the host software. Error configuring printer Restarting printer Start printer at Sat Apr 16 16:26:28 2022 (1650144388.5 2649.6) ===== Config file ===== [stepper_x] step_pin = PB13 dir_pin = !PB12 enable_pin = !PB14 microsteps = 16 rotation_distance = 40 endstop_pin = ^PC0 position_endstop = 0 position_max = 235 homing_speed = 50 [tmc2209 stepper_x] uart_pin = PC11 tx_pin = PC10 uart_address = 0 run_current = 0.580 stealthchop_threshold = 999999 [stepper_y] step_pin = PB10 dir_pin = !PB2 enable_pin = !PB11 microsteps = 16 rotation_distance = 40 endstop_pin = ^PC1 position_endstop = 0 position_max = 235 homing_speed = 50 [tmc2209 stepper_y] uart_pin = PC11 tx_pin = PC10 uart_address = 2 run_current = 0.580 stealthchop_threshold = 999999 [stepper_z] step_pin = PB0 dir_pin = PC5 enable_pin = !PB1 microsteps = 16 rotation_distance = 8 endstop_pin = ^PC2 position_endstop = 0.0 position_max = 250 [tmc2209 stepper_z] uart_pin = PC11 tx_pin = PC10 uart_address = 1 run_current = 0.580 stealthchop_threshold = 999999 [extruder] step_pin = PB3 dir_pin = !PB4 enable_pin = !PD2 microsteps = 16 rotation_distance = 33.500 nozzle_diameter = 0.400 filament_diameter = 1.750 heater_pin = PC8 sensor_type = EPCOS 100K B57560G104F sensor_pin = PA0 control = pid pid_kp = 21.527 pid_ki = 1.063 pid_kd = 108.982 min_temp = 0 max_temp = 250 [tmc2209 extruder] uart_pin = PC11 tx_pin = PC10 uart_address = 3 run_current = 0.650 stealthchop_threshold = 999999 [heater_bed] heater_pin = PC9 sensor_type = ATC Semitec 104GT-2 sensor_pin = PC3 control = pid pid_kp = 54.027 pid_ki = 0.770 pid_kd = 948.182 min_temp = 0 max_temp = 130 [heater_fan nozzle_cooling_fan] pin = PC7 [fan] pin = PC6 [mcu] serial = /dev/serial/by-id/usb-Klipper_stm32f103xe_32FFD9054158323012782557-if00 [printer] kinematics = cartesian max_velocity = 300 max_accel = 3000 max_z_velocity = 5 max_z_accel = 100 [static_digital_output usb_pullup_enable] pins = !PA14 [board_pins] aliases = EXP1_1=PB5, EXP1_3=PA9, EXP1_5=PA10, EXP1_7=PB8, EXP1_9=, EXP1_2=PA15, EXP1_4=, EXP1_6=PB9, EXP1_8=PB15, EXP1_10=<5V> ======================= Extruder max_extrude_ratio=0.266081 mcu 'mcu': Starting serial connect Loaded MCU 'mcu' 84 commands (v0.9.0-0-g2bcf06a2-20201024_131927-OctoKlipper / gcc: (15:7-2018-q2-6) 7.3.1 20180622 (release) [ARM/embedded-7-branch revision 261907] binutils: (2.31.1-12+11) 2.31.1) MCU 'mcu' config: BUS_PINS_i2c1=PB6,PB7 BUS_PINS_i2c2=PB10,PB11 STEP_DELAY=2 INITIAL_PINS=!PC13 ADC_MAX=4095 BUS_PINS_spi3=PB4,PB5,PB3 CLOCK_FREQ=72000000 BUS_PINS_spi1=PA6,PA7,PA5 RESERVE_PINS_USB=PA11,PA12 MCU=stm32f103xe STATS_SUMSQ_BASE=256 BUS_PINS_spi2=PB14,PB15,PB13 Protocol error Traceback (most recent call last): File "/home/pi/klipper/klippy/klippy.py", line 162, in _connect cb() File "/home/pi/klipper/klippy/mcu.py", line 723, in _connect config_params = self._send_get_config() File "/home/pi/klipper/klippy/mcu.py", line 701, in _send_get_config "config is_config=%c crc=%u is_shutdown=%c move_count=%hu") File "/home/pi/klipper/klippy/mcu.py", line 849, in lookup_query_command cq, is_async, self._printer.command_error) File "/home/pi/klipper/klippy/mcu.py", line 497, in __init__ serial.get_msgparser().lookup_command(respformat) File "/home/pi/klipper/klippy/msgproto.py", line 319, in lookup_command msgformat, mp.msgformat) File "/home/pi/klipper/klippy/msgproto.py", line 244, in _error raise error(self.warn_prefix + (msg % params)) error: mcu 'mcu': Command format mismatch: config is_config=%c crc=%u is_shutdown=%c move_count=%hu vs config is_config=%c crc=%u move_count=%hu is_shutdown=%c Build file /home/pi/klipper/klippy/../.config(2626): Sat Apr 16 16:07:40 2022 ========= Last MCU build config ========= CONFIG_LOW_LEVEL_OPTIONS=y # CONFIG_MACH_AVR is not set # CONFIG_MACH_ATSAM is not set # CONFIG_MACH_ATSAMD is not set # CONFIG_MACH_LPC176X is not set CONFIG_MACH_STM32=y # CONFIG_MACH_RP2040 is not set # CONFIG_MACH_PRU is not set # CONFIG_MACH_LINUX is not set # CONFIG_MACH_SIMU is not set CONFIG_BOARD_DIRECTORY="stm32" CONFIG_MCU="stm32f103xe" CONFIG_CLOCK_FREQ=72000000 CONFIG_USBSERIAL=y CONFIG_FLASH_START=0x8007000 CONFIG_FLASH_SIZE=0x10000 CONFIG_RAM_START=0x20000000 CONFIG_RAM_SIZE=0x5000 CONFIG_STACK_SIZE=512 CONFIG_STM32_SELECT=y CONFIG_MACH_STM32F103=y # CONFIG_MACH_STM32F207 is not set # CONFIG_MACH_STM32F401 is not set # CONFIG_MACH_STM32F405 is not set # CONFIG_MACH_STM32F407 is not set # CONFIG_MACH_STM32F429 is not set # CONFIG_MACH_STM32F446 is not set # CONFIG_MACH_STM32F031 is not set # CONFIG_MACH_STM32F042 is not set # CONFIG_MACH_STM32F070 is not set # CONFIG_MACH_STM32F072 is not set # CONFIG_MACH_STM32G0B1 is not set # CONFIG_MACH_STM32H743 is not set # CONFIG_MACH_STM32H750 is not set CONFIG_MACH_STM32F1=y CONFIG_HAVE_STM32_USBFS=y CONFIG_HAVE_STM32_CANBUS=y # CONFIG_STM32F103GD_DISABLE_SWD is not set # CONFIG_STM32_FLASH_START_2000 is not set # CONFIG_STM32_FLASH_START_5000 is not set CONFIG_STM32_FLASH_START_7000=y # CONFIG_STM32_FLASH_START_8000 is not set # CONFIG_STM32_FLASH_START_8800 is not set # CONFIG_STM32_FLASH_START_10000 is not set # CONFIG_STM32_FLASH_START_800 is not set # CONFIG_STM32_FLASH_START_4000 is not set # CONFIG_STM32_FLASH_START_0000 is not set CONFIG_STM32_CLOCK_REF_8M=y # CONFIG_STM32_CLOCK_REF_12M is not set # CONFIG_STM32_CLOCK_REF_16M is not set # CONFIG_STM32_CLOCK_REF_25M is not set # CONFIG_STM32_CLOCK_REF_INTERNAL is not set CONFIG_CLOCK_REF_FREQ=8000000 CONFIG_STM32F0_TRIM=16 CONFIG_STM32_USB_PA11_PA12=y # CONFIG_STM32_SERIAL_USART1 is not set # CONFIG_STM32_SERIAL_USART1_ALT_PB7_PB6 is not set # CONFIG_STM32_SERIAL_USART2 is not set # CONFIG_STM32_SERIAL_USART2_ALT_PD6_PD5 is not set # CONFIG_STM32_SERIAL_USART3 is not set # CONFIG_STM32_SERIAL_USART3_ALT_PD9_PD8 is not set # CONFIG_STM32_CANBUS_PA11_PA12 is not set # CONFIG_STM32_CANBUS_PB8_PB9 is not set CONFIG_CANBUS_FREQUENCY=500000 CONFIG_USB_VENDOR_ID=0x1d50 CONFIG_USB_DEVICE_ID=0x614e CONFIG_USB_SERIAL_NUMBER_CHIPID=y CONFIG_USB_SERIAL_NUMBER="12345" # # USB ids # # end of USB ids CONFIG_INITIAL_PINS="!PA13" 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_HAVE_CHIPID=y CONFIG_HAVE_STEPPER_BOTH_EDGE=y CONFIG_INLINE_STEPPER_HACK=y ======================= Build file /home/pi/klipper/klippy/../out/klipper.dict(6803): Sat Apr 16 16:14:01 2022 Last MCU build version: 4c8d24a Last MCU build tools: 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 Last MCU build config: BUS_PINS_i2c1=PB6,PB7 BUS_PINS_i2c2=PB10,PB11 RESERVE_PINS_USB=PA11,PA12 BUS_PINS_i2c1a=PB8,PB9 INITIAL_PINS=!PA13 STEPPER_BOTH_EDGE=1 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 STATS_SUMSQ_BASE=256 BUS_PINS_spi1a=PB4,PB5,PB3 CLOCK_FREQ=72000000 Build file /home/pi/klipper/klippy/../out/klipper.elf(269564): Sat Apr 16 16:14:09 2022 mcu 'mcu': Command format mismatch: config is_config=%c crc=%u is_shutdown=%c move_count=%hu vs config is_config=%c crc=%u move_count=%hu is_shutdown=%c This type of error is frequently caused by running an older version of the firmware on the micro-controller (fix by recompiling and flashing the firmware). Known versions: host=4c8d24a, mcu=v0.9.0-0-g2bcf06a2-20201024_131927-OctoKlipper Once the underlying issue is corrected, use the "RESTART" command to reload the config and restart the host software. Protocol error connecting to printer Klipper state: Not ready Got EOF when reading from device