2021-04-04 21:17:28,209 - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-04-04 21:17:28,247 - Performing autodetection with 7 port/baudrate candidates: /dev/ttyS0@115200, /dev/ttyS0@250000, /dev/ttyS0@230400, /dev/ttyS0@57600, /dev/ttyS0@38400, /dev/ttyS0@19200, /dev/ttyS0@9600 2021-04-04 21:17:28,248 - Trying port /dev/ttyS0, baudrate 115200 2021-04-04 21:17:28,249 - Connecting to port /dev/ttyS0, baudrate 115200 2021-04-04 21:17:28,280 - Unexpected error while connecting to serial port /dev/ttyS0, baudrate 115200 from hook default: SerialException: '[Errno 13] could not open port /dev/ttyS0: [Errno 13] Permission denied: '/dev/ttyS0'' @ comm.py:_open_serial:3670 2021-04-04 21:17:28,280 - Could not open port /dev/ttyS0, baudrate 115200, skipping 2021-04-04 21:17:28,281 - Trying port /dev/ttyS0, baudrate 250000 2021-04-04 21:17:28,282 - Connecting to port /dev/ttyS0, baudrate 250000 2021-04-04 21:17:28,285 - Unexpected error while connecting to serial port /dev/ttyS0, baudrate 250000 from hook default: SerialException: '[Errno 13] could not open port /dev/ttyS0: [Errno 13] Permission denied: '/dev/ttyS0'' @ comm.py:_open_serial:3670 2021-04-04 21:17:28,288 - Could not open port /dev/ttyS0, baudrate 250000, skipping 2021-04-04 21:17:28,290 - Trying port /dev/ttyS0, baudrate 230400 2021-04-04 21:17:28,297 - Connecting to port /dev/ttyS0, baudrate 230400 2021-04-04 21:17:28,299 - Unexpected error while connecting to serial port /dev/ttyS0, baudrate 230400 from hook default: SerialException: '[Errno 13] could not open port /dev/ttyS0: [Errno 13] Permission denied: '/dev/ttyS0'' @ comm.py:_open_serial:3670 2021-04-04 21:17:28,300 - Could not open port /dev/ttyS0, baudrate 230400, skipping 2021-04-04 21:17:28,300 - Trying port /dev/ttyS0, baudrate 57600 2021-04-04 21:17:28,301 - Connecting to port /dev/ttyS0, baudrate 57600 2021-04-04 21:17:28,304 - Unexpected error while connecting to serial port /dev/ttyS0, baudrate 57600 from hook default: SerialException: '[Errno 13] could not open port /dev/ttyS0: [Errno 13] Permission denied: '/dev/ttyS0'' @ comm.py:_open_serial:3670 2021-04-04 21:17:28,308 - Could not open port /dev/ttyS0, baudrate 57600, skipping 2021-04-04 21:17:28,310 - Trying port /dev/ttyS0, baudrate 38400 2021-04-04 21:17:28,314 - Connecting to port /dev/ttyS0, baudrate 38400 2021-04-04 21:17:28,318 - Unexpected error while connecting to serial port /dev/ttyS0, baudrate 38400 from hook default: SerialException: '[Errno 13] could not open port /dev/ttyS0: [Errno 13] Permission denied: '/dev/ttyS0'' @ comm.py:_open_serial:3670 2021-04-04 21:17:28,318 - Could not open port /dev/ttyS0, baudrate 38400, skipping 2021-04-04 21:17:28,318 - Trying port /dev/ttyS0, baudrate 19200 2021-04-04 21:17:28,320 - Connecting to port /dev/ttyS0, baudrate 19200 2021-04-04 21:17:28,322 - Unexpected error while connecting to serial port /dev/ttyS0, baudrate 19200 from hook default: SerialException: '[Errno 13] could not open port /dev/ttyS0: [Errno 13] Permission denied: '/dev/ttyS0'' @ comm.py:_open_serial:3670 2021-04-04 21:17:28,323 - Could not open port /dev/ttyS0, baudrate 19200, skipping 2021-04-04 21:17:28,323 - Trying port /dev/ttyS0, baudrate 9600 2021-04-04 21:17:28,326 - Connecting to port /dev/ttyS0, baudrate 9600 2021-04-04 21:17:28,332 - Unexpected error while connecting to serial port /dev/ttyS0, baudrate 9600 from hook default: SerialException: '[Errno 13] could not open port /dev/ttyS0: [Errno 13] Permission denied: '/dev/ttyS0'' @ comm.py:_open_serial:3670 2021-04-04 21:17:28,338 - Could not open port /dev/ttyS0, baudrate 9600, skipping 2021-04-04 21:17:28,341 - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected." 2021-04-04 21:17:28,345 - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)" 2021-04-04 21:17:33,329 - Changing monitoring state from "Offline" to "Detecting serial connection" 2021-04-04 21:17:33,979 - Performing autodetection with 4 port/baudrate candidates: /dev/ttyACM0@115200, /dev/ttyACM0@250000, /dev/ttyS0@115200, /dev/ttyS0@250000 2021-04-04 21:17:33,981 - Trying port /dev/ttyACM0, baudrate 115200 2021-04-04 21:17:33,983 - Connecting to port /dev/ttyACM0, baudrate 115200 2021-04-04 21:17:34,022 - Handshake attempt #1 with timeout 2.0s 2021-04-04 21:17:34,043 - Connected to: Serial(port='/dev/ttyACM0', baudrate=115200, bytesize=8, parity='N', stopbits=1, timeout=2.0, xonxoff=False, rtscts=False, dsrdtr=False), starting monitor 2021-04-04 21:17:34,045 - Send: N0 M110 N0*125 2021-04-04 21:17:35,139 - Recv: ánP|$nHjFñJpO.6«HaˆHèH%ˆ% >|Y}“=ˆYä^«h!¨Hèxñ 2021-04-04 21:17:35,140 - WARNThe received line contains at least one null byte character at position 30, this hints at some data corruption going on 2021-04-04 21:17:35,145 - Recv: C^èz³M³7·è%iþ^ƒJO>«p|‚³H3H6f±J¤JJˆJˆHJŽ 2021-04-04 21:17:35,147 - Recv: ÿJY:&h/^7L* 2021-04-04 21:17:35,161 - Recv: J„ZäaŽJÿaŽJKˆ8[ˆxñ:&é+^^hŠ$P|þ%ÿ%þ%h%ˆxñé+^Jðé >IJO.X©k^>XñJÄjâaHJàaHJP|@_aƒ&F—ˆM/Mvl*IM^kJë6L* ðXo+h>ŒÄ&('³h*Iæ&HNL 2021-04-04 21:17:35,163 - Recv: Ià&8nL 2021-04-04 21:17:35,165 - Recv: x±J„zbŽJjüJˆJˆjÿŽ*' 2021-04-04 21:17:35,167 - Recv: ƒMah$P| 2021-04-04 21:17:35,169 - Recv: žI¨j~=ˆxñ 2021-04-04 22:16:12,456 - Unexpected error while reading serial port, please consult octoprint.log for details: SerialException: 'device reports readiness to read but returned no data (device disconnected or multiple access on port?)' @ comm.py:_readline:3831 2021-04-04 22:16:12,460 - Please see https://faq.octoprint.org/serialerror for possible reasons of this. 2021-04-04 22:16:12,473 - Changing monitoring state from "Detecting serial connection" to "Offline (Error: SerialException: 'device reports readiness to read but returned no data (device disconnected or multiple access on port?)' @ comm.py:_readline:3831)" 2021-04-04 22:16:12,474 - Connection closed, closing down monitor