Forcing reset using 1200bps open/close on port /dev/ttyACM0 PORTS {/dev/ttyACM0, /dev/ttyS0, } / {/dev/ttyS0, } => {} PORTS {/dev/ttyS0, } / {/dev/ttyS0, } => {} PORTS {/dev/ttyS0, } / {/dev/ttyS0, } => {} PORTS {/dev/ttyS0, } / {/dev/ttyACM0, /dev/ttyS0, } => {/dev/ttyACM0, } Found upload port: /dev/ttyACM0 /home/roschews/arduino-1.8.9/hardware/tools/avr/bin/avrdude -C/home/roschews/arduino-1.8.9/hardware/tools/avr/etc/avrdude.conf -v -patmega32u4 -cavr109 -P/dev/ttyACM0 -b57600 -D -Uflash:w:/tmp/arduino_build_574492/Blink.ino.hex:i avrdude: Version 6.3-20171130 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch System wide configuration file is "/home/roschews/arduino-1.8.9/hardware/tools/avr/etc/avrdude.conf" User configuration file is "/home/roschews/.avrduderc" User configuration file does not exist or is not a regular file, skipping Using Port : /dev/ttyACM0 Using Programmer : avr109 Overriding Baud Rate : 57600 AVR Part : ATmega32U4 Chip Erase delay : 9000 us PAGEL : PD7 BS2 : PA0 RESET disposition : dedicated RETRY pulse : SCK serial program mode : yes parallel program mode : yes Timeout : 200 StabDelay : 100 CmdexeDelay : 25 SyncLoops : 32 ByteDelay : 0 PollIndex : 3 PollValue : 0x53 Memory Detail : Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- eeprom 65 20 4 0 no 1024 4 0 9000 9000 0x00 0x00 flash 65 6 128 0 yes 32768 128 256 4500 4500 0x00 0x00 lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00 signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00 Programmer Type : butterfly Description : Atmel AppNote AVR109 Boot Loader Connecting to programmer: . Found programmer: Id = "CATERIN"; type = S Software Version = 1.0; No Hardware Version given. Programmer supports auto addr increment. Programmer supports buffered memory access with buffersize=128 bytes. Programmer supports the following devices: Device code: 0x44 avrdude: devcode selected: 0x44 avrdude: AVR device initialized and ready to accept instructions Reading | ################################################## | 100% 0.00s avrdude: Device signature = 0x1e9587 (probably m32u4) avrdude: reading input file "/tmp/arduino_build_574492/Blink.ino.hex" avrdude: writing flash (4130 bytes): Writing | ################avrdude: error: programmer did not respond to command: set addr ##############avrdude: error: programmer did not respond to command: set addr #################### | 100% 0.59s avrdude: 4130 bytes of flash written avrdude: verifying flash memory against /tmp/arduino_build_574492/Blink.ino.hex: avrdude: load data flash data from input file /tmp/arduino_build_574492/Blink.ino.hex: avrdude: input file /tmp/arduino_build_574492/Blink.ino.hex contains 4130 bytes avrdude: reading on-chip flash data: Reading | #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr #avrdude: error: programmer did not respond to command: set addr ##avrdude: error: programmer did not respond to command: set addr ## | 100% 0.13s avrdude: verifying ... avrdude: verification error, first mismatch at byte 0x0000 0x0d != 0x0c avrdude: verification error; content mismatch avrdude: error: programmer did not respond to command: leave prog mode avrdude: error: programmer did not respond to command: exit bootloader avrdude done. Thank you. the selected serial port does not exist or your board is not connected