2019-03-21 00:34:32,158 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 00:34:32,165 - octoprint.server - INFO - --- Log roll over detected ---------------------------------------------------
2019-03-21 00:34:32,166 - octoprint.server - INFO - OctoPrint 1.3.10
2019-03-21 00:34:32,171 - octoprint.plugin.core - INFO - 22 plugin(s) registered with the system:
|  Action Command Prompt Support (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/action_command_prompt
|  Announcement Plugin (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/announcements
|  Anonymous Usage Tracking (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/tracking
|  Application Keys Plugin (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/appkeys
|  Autoscroll (0.0.2) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_autoscroll
|  Backup & Restore (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/backup
|  BLTouch Plugin (0.3.0) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_BLTouch
|  Core Wizard (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/corewizard
|  CuraEngine (<= 15.04) (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/cura
|  Discovery (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/discovery
|  EEPROM Marlin Editor Plugin (1.2.1) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_eeprom_marlin
|  Emergency Stop Button (0.1.2) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_estop
|  Filament Sensor (1.0.1) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_filament
|  Force Login (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/forcelogin
|  Logging (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/logging
|  M73-Progress-Plugin (0.1.0) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_m73progress
|  Pi Support Plugin (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/pi_support
|  Plugin Manager (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/pluginmanager
|  Preheat Button (0.3.1) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_preheat
|  Printer Safety Check (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/printer_safety_check
|  Software Update (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/softwareupdate
|  Virtual Printer (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/virtual_printer
2019-03-21 00:34:32,202 - octoprint.environment - INFO - Detected environment is Python 2.7.13 under Linux (linux2). Details:
|  hardware:
|    cores: 4
|    freq: 1400.0
|    ram: 918188032
|  os:
|    id: linux
|    platform: linux2
|  plugins:
|    pi_support:
|      model: Raspberry Pi 3 Model B Plus Rev 1.3
|      octopi_version: 0.16.0
|  python:
|    pip: 19.0.1
|    version: 2.7.13
|    virtualenv: /home/pi/oprint
2019-03-21 00:34:32,203 - octoprint.server - INFO - ------------------------------------------------------------------------------
2019-03-21 00:34:43,947 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-03-21 00:49:32,160 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 00:49:44,155 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-03-21 01:04:32,162 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 01:04:43,916 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-03-21 01:19:32,165 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 01:19:43,964 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-03-21 01:24:56,953 - tornado.access - WARNING - 404 GET /apple-touch-icon-120x120-precomposed.png (::ffff:174.211.12.254) 13.96ms
2019-03-21 01:24:57,034 - tornado.access - WARNING - 404 GET /apple-touch-icon-120x120.png (::ffff:174.211.12.254) 13.33ms
2019-03-21 01:24:57,052 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:174.211.12.254
2019-03-21 01:24:57,151 - tornado.access - WARNING - 404 GET /favicon.ico (::ffff:174.211.12.254) 8.91ms
2019-03-21 01:24:57,162 - tornado.access - WARNING - 404 GET /apple-touch-icon-precomposed.png (::ffff:174.211.12.254) 6.40ms
2019-03-21 01:24:57,252 - tornado.access - WARNING - 404 GET /apple-touch-icon.png (::ffff:174.211.12.254) 6.16ms
2019-03-21 01:25:07,621 - octoprint.server.api - INFO - Actively logging in user octo-benjamin from ::ffff:174.211.12.254
2019-03-21 01:25:07,887 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:174.211.12.254
2019-03-21 01:25:08,428 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:174.211.12.254
2019-03-21 01:25:11,021 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:174.211.12.254
2019-03-21 01:25:11,299 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:174.211.12.254
2019-03-21 01:25:18,469 - octoprint.server.api - INFO - Actively logging in user octo-benjamin from ::ffff:174.211.12.254
2019-03-21 01:25:18,618 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:174.211.12.254
2019-03-21 01:25:18,758 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:174.211.12.254
2019-03-21 01:25:26,678 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:174.211.12.254
2019-03-21 01:25:26,856 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:174.211.12.254
2019-03-21 01:25:28,924 - octoprint.server.util.sockjs - INFO - User octo-benjamin logged in on the socket from client ::ffff:174.211.12.254
2019-03-21 01:25:30,246 - octoprint.plugins.announcements - INFO - Loaded channel _important from https://octoprint.org/feeds/important.xml in 0.92s
2019-03-21 01:25:31,439 - octoprint.plugins.announcements - INFO - Loaded channel _releases from https://octoprint.org/feeds/releases.xml in 0.83s
2019-03-21 01:25:32,541 - octoprint.plugins.announcements - INFO - Loaded channel _blog from https://octoprint.org/feeds/octoblog.xml in 0.98s
2019-03-21 01:25:33,519 - octoprint.plugins.announcements - INFO - Loaded channel _plugins from https://plugins.octoprint.org/feed.xml in 0.86s
2019-03-21 01:25:34,487 - octoprint.plugins.announcements - INFO - Loaded channel _octopi from https://octoprint.org/feeds/octopi.xml in 0.78s
2019-03-21 01:25:36,278 - octoprint.plugins.softwareupdate - INFO - Saved version cache to disk
2019-03-21 01:26:30,637 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:174.211.12.254
2019-03-21 01:27:18,199 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:174.211.12.254
2019-03-21 01:27:18,435 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:174.211.12.254
2019-03-21 01:27:18,545 - octoprint.server.util.sockjs - INFO - User octo-benjamin logged in on the socket from client ::ffff:174.211.12.254
2019-03-21 01:27:49,584 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:174.211.12.254
2019-03-21 01:28:08,718 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:174.211.12.254
2019-03-21 01:28:08,937 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:174.211.12.254
2019-03-21 01:28:09,033 - octoprint.server.util.sockjs - INFO - User octo-benjamin logged in on the socket from client ::ffff:174.211.12.254
2019-03-21 01:28:22,113 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:174.211.12.254
2019-03-21 01:34:32,168 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 01:34:43,986 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-03-21 01:39:58,235 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:192.168.1.1
2019-03-21 01:40:00,951 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.1
2019-03-21 01:40:01,064 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:192.168.1.1
2019-03-21 01:40:03,121 - octoprint.server.util.sockjs - INFO - User octo-benjamin logged in on the socket from client ::ffff:192.168.1.1
2019-03-21 01:40:06,937 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:192.168.1.200
2019-03-21 01:40:10,037 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.200
2019-03-21 01:40:10,170 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:192.168.1.200
2019-03-21 01:40:13,384 - octoprint.server.util.sockjs - INFO - User octo-benjamin logged in on the socket from client ::ffff:192.168.1.200
2019-03-21 01:49:32,171 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 01:49:43,958 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-03-21 01:59:06,937 - octoprint.filemanager.analysis - INFO - Starting analysis of local:CCR10S4_EXPERIMENT_case_bottom_rev_H.gcode
2019-03-21 01:59:06,941 - octoprint.filemanager.analysis - INFO - Invoking analysis command: /home/pi/oprint/bin/python2 -m octoprint analysis gcode --speed-x=300 --speed-y=300 --max-t=10 --throttle=0.0 --throttle-lines=100 /home/pi/.octoprint/uploads/CCR10S4_EXPERIMENT_case_bottom_rev_H.gcode
2019-03-21 01:59:21,342 - octoprint.filemanager.analysis - INFO - Analysis of entry local:CCR10S4_EXPERIMENT_case_bottom_rev_H.gcode finished, needed 14.41s
2019-03-21 01:59:24,923 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Printing"
2019-03-21 01:59:24,943 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 01:59:24,948 - octoprint.plugins.filament - INFO - Printing started. Filament sensor enabled.
2019-03-21 01:59:24,988 - octoprint.util.comm - INFO - Communication timeout while printing, trying to trigger response from printer.
2019-03-21 01:59:25,850 - octoprint.plugins.tracking - INFO - Sent tracking event print_started, payload: {'origin': 'local', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc'}
2019-03-21 02:02:38,739 - tornado.access - WARNING - 404 GET /favicon.ico (::ffff:64.233.172.178) 13.22ms
2019-03-21 02:04:32,174 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 02:04:43,956 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-03-21 02:06:03,600 - octoprint.util.comm - INFO - Changing monitoring state from "Printing" to "Cancelling"
2019-03-21 02:06:03,633 - octoprint.plugins.filament - INFO - Printing stopped. Filament sensor disabled.
2019-03-21 02:06:03,744 - octoprint.plugins.filament - INFO - Printing stopped. Filament sensor disabled.
2019-03-21 02:06:04,477 - octoprint.plugins.tracking - INFO - Sent tracking event print_cancelled, payload: {'origin': 'local', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc'}
2019-03-21 02:06:05,306 - octoprint.plugins.tracking - INFO - Sent tracking event print_failed, payload: {'origin': 'local', 'reason': 'cancelled', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc', 'elapsed': 398}
2019-03-21 02:06:05,528 - octoprint.util.comm - INFO - Changing monitoring state from "Cancelling" to "Operational"
2019-03-21 02:06:56,232 - octoprint.util.comm - INFO - Force-sending M112 to the printer
2019-03-21 02:06:56,250 - octoprint.util.comm - WARNING - Received an error from the printer's firmware: Printer halted. kill() called!
| Last lines in terminal:
| Recv: echo:busy: processing
| Recv: echo:busy: processing
| Recv:  T:172.33 /0.00 B:64.97 /65.00 @:0 B@:115
| Recv: echo:busy: processing
| Recv: echo:busy: processing
| Recv:  T:170.99 /0.00 B:64.99 /65.00 @:0 B@:107
| Recv: echo:busy: processing
| Recv: echo:busy: processing
| Recv:  T:169.80 /0.00 B:65.00 /65.00 @:0 B@:103
| Recv: echo:busy: processing
| Recv: echo:busy: processing
| Recv:  T:168.56 /0.00 B:64.98 /65.00 @:0 B@:114
| Recv: echo:busy: processing
| Recv: echo:busy: processing
| Recv:  T:167.58 /0.00 B:65.00 /65.00 @:0 B@:104
| Recv: echo:busy: processing
| Send: M112
| Send: N80 M112*25
| Send: N81 M104 T0 S0*24
| Recv: Error:Printer halted. kill() called!
2019-03-21 02:06:56,254 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Error: Printer halted. kill() called!"
2019-03-21 02:06:56,273 - octoprint.util.comm - INFO - Changing monitoring state from "Error: Closing serial port due to emergency stop M112." to "Offline (Error: Closing serial port due to emergency stop M112.)"
2019-03-21 02:07:11,765 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2019-03-21 02:07:11,888 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Opening serial port"
2019-03-21 02:07:11,893 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Detecting baudrate"
2019-03-21 02:07:12,913 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:07:12,926 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting baudrate" to "Operational"
2019-03-21 02:07:12,944 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:07:17,026 - octoprint.util.comm - INFO - Got a resend request from the printer: requested line = 1, current line = 3
| Last lines in terminal:
| Changing monitoring state from "Opening serial port" to "Detecting baudrate"
| Trying baudrate: 115200
| Recv: start
| Send: N0 M110 N0*125
| Changing monitoring state from "Detecting baudrate" to "Operational"
| Send: N0 M110 N0*125
| Recv: echo: External Reset
| Recv: Marlin 1.1.9
| Recv: 
| Recv: echo: Last Updated: 2018-08-01 | Author: (Ben, CR-10S S4 Mod V3)
| Recv: echo:Compiled: Mar 19 2019
| Recv: echo: Free Memory: 779  PlannerBufferBytes: 1232
| Recv: echo:V55 stored settings retrieved (683 bytes; crc 28881)
| Recv: echo:SD card ok
| Recv: ok
| Send: N1 M115*39
| Recv: ok
| Send: N2 M21*18
| Recv: Error:Line Number is not Last Line Number+1, Last Line: 0
| Recv: Resend: 1
2019-03-21 02:07:17,033 - octoprint.util.comm - INFO - Printer reports firmware name "Marlin 1.1.9 (Github)"
2019-03-21 02:07:17,063 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:07:17,094 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:07:17,173 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:07:17,216 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:07:17,859 - octoprint.plugins.tracking - INFO - Sent tracking event printer_connected, payload: {u'printer_baudrate': 0, u'printer_port': u'AUTO', 'firmware_name': 'Marlin 1.1.9 (Github)'}
2019-03-21 02:07:21,045 - octoprint.util.comm - INFO - Printer seems to support the busy protocol, will adjust timeouts and set busy interval accordingly
2019-03-21 02:07:58,764 - octoprint.util.comm - INFO - Telling the printer to set the busy interval to our "communicationBusy" timeout - 1s = 1s
2019-03-21 02:08:40,906 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Printing"
2019-03-21 02:08:40,925 - octoprint.plugins.filament - INFO - Printing started. Filament sensor enabled.
2019-03-21 02:08:40,973 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:08:41,753 - octoprint.plugins.tracking - INFO - Sent tracking event print_started, payload: {'origin': 'local', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc'}
2019-03-21 02:18:11,211 - octoprint.util.comm - INFO - Changing monitoring state from "Printing" to "Pausing"
2019-03-21 02:18:13,642 - octoprint.util.comm - INFO - Changing monitoring state from "Pausing" to "Paused"
2019-03-21 02:19:32,176 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 02:19:43,993 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-03-21 02:20:06,894 - octoprint.util.comm - INFO - Changing monitoring state from "Paused" to "Cancelling"
2019-03-21 02:20:06,939 - octoprint.plugins.filament - INFO - Printing stopped. Filament sensor disabled.
2019-03-21 02:20:07,094 - octoprint.plugins.filament - INFO - Printing stopped. Filament sensor disabled.
2019-03-21 02:20:07,168 - octoprint.util.comm - INFO - Changing monitoring state from "Cancelling" to "Operational"
2019-03-21 02:20:07,783 - octoprint.plugins.tracking - INFO - Sent tracking event print_cancelled, payload: {'origin': 'local', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc'}
2019-03-21 02:20:08,559 - octoprint.plugins.tracking - INFO - Sent tracking event print_failed, payload: {'origin': 'local', 'reason': 'cancelled', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc', 'elapsed': 686}
2019-03-21 02:21:19,146 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Printing"
2019-03-21 02:21:19,184 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:21:19,191 - octoprint.plugins.filament - INFO - Printing started. Filament sensor enabled.
2019-03-21 02:21:19,996 - octoprint.plugins.tracking - INFO - Sent tracking event print_started, payload: {'origin': 'local', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc'}
2019-03-21 02:23:39,739 - octoprint.util.comm - ERROR - Unexpected error while reading from serial port
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/util/comm.py", line 2605, in _readline
    ret = self._serial.readline()
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/util/comm.py", line 4681, in readline
    c = self.read(1)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/serial/serialposix.py", line 501, in read
    'device reports readiness to read but returned no data '
SerialException: device reports readiness to read but returned no data (device disconnected or multiple access on port?)
2019-03-21 02:23:39,743 - octoprint.util.comm - ERROR - Please see https://faq.octoprint.org/serialerror for possible reasons of this.
2019-03-21 02:23:39,768 - octoprint.util.comm - INFO - Changing monitoring state from "Printing" to "Offline (Error: SerialException: 'device reports readiness to read but returned no data (device disconnected or multiple access on port?)' @ comm.py:_readline:2605)"
2019-03-21 02:23:39,875 - octoprint.plugins.filament - INFO - Printing stopped. Filament sensor disabled.
2019-03-21 02:23:40,693 - octoprint.plugins.tracking - INFO - Sent tracking event print_failed, payload: {'origin': 'local', 'reason': 'error', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc', 'elapsed': 140}
2019-03-21 02:23:48,756 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2019-03-21 02:23:48,880 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Opening serial port"
2019-03-21 02:23:48,885 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Detecting baudrate"
2019-03-21 02:23:49,906 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:23:49,948 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting baudrate" to "Operational"
2019-03-21 02:23:49,967 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:23:54,062 - octoprint.util.comm - INFO - Printer reports firmware name "Marlin 1.1.9 (Github)"
2019-03-21 02:23:54,092 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:23:54,178 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:23:54,256 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:23:54,888 - octoprint.plugins.tracking - INFO - Sent tracking event printer_connected, payload: {u'printer_baudrate': 0, u'printer_port': u'AUTO', 'firmware_name': 'Marlin 1.1.9 (Github)'}
2019-03-21 02:24:08,062 - octoprint.util.comm - INFO - Printer seems to support the busy protocol, will adjust timeouts and set busy interval accordingly
2019-03-21 02:24:08,072 - octoprint.util.comm - INFO - Telling the printer to set the busy interval to our "communicationBusy" timeout - 1s = 1s
2019-03-21 02:25:28,277 - octoprint.util.comm - ERROR - Unexpected error while reading from serial port
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/util/comm.py", line 2605, in _readline
    ret = self._serial.readline()
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/util/comm.py", line 4681, in readline
    c = self.read(1)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/serial/serialposix.py", line 501, in read
    'device reports readiness to read but returned no data '
SerialException: device reports readiness to read but returned no data (device disconnected or multiple access on port?)
2019-03-21 02:25:28,282 - octoprint.util.comm - ERROR - Please see https://faq.octoprint.org/serialerror for possible reasons of this.
2019-03-21 02:25:28,295 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Offline (Error: SerialException: 'device reports readiness to read but returned no data (device disconnected or multiple access on port?)' @ comm.py:_readline:2605)"
2019-03-21 02:25:28,509 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.1) 71.46ms
2019-03-21 02:25:28,525 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.1) 80.15ms
2019-03-21 02:25:28,540 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.200) 67.02ms
2019-03-21 02:25:28,556 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.200) 78.03ms
2019-03-21 02:26:30,949 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2019-03-21 02:26:30,992 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Opening serial port"
2019-03-21 02:26:30,996 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Detecting baudrate"
2019-03-21 02:26:32,018 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:26:32,089 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting baudrate" to "Operational"
2019-03-21 02:26:32,104 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:26:38,248 - octoprint.util.comm - INFO - Printer reports firmware name "Marlin 1.1.9 (Github)"
2019-03-21 02:26:38,262 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:26:39,094 - octoprint.plugins.tracking - INFO - Sent tracking event printer_connected, payload: {u'printer_baudrate': 0, u'printer_port': u'AUTO', 'firmware_name': 'Marlin 1.1.9 (Github)'}
2019-03-21 02:26:40,474 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:26:40,551 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:27:37,471 - octoprint.plugin.core - INFO - Loading plugins from /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins, /home/pi/.octoprint/plugins and installed plugin packages...
2019-03-21 02:27:38,151 - octoprint.plugin.core - INFO - Found 21 plugin(s) providing 22 mixin implementations, 23 hook handlers
2019-03-21 02:27:39,112 - octoprint.plugins.tracking - INFO - Sent tracking event uninstall_plugin, payload: {'plugin_version': '0.3.1', 'plugin': 'preheat'}
2019-03-21 02:27:49,267 - octoprint.server.api.system - INFO - Performing command for core:restart: sudo service octoprint restart
2019-03-21 02:27:49,587 - octoprint.server - INFO - Shutting down...
2019-03-21 02:27:50,375 - octoprint.events - INFO - Processing shutdown event, this will be our last event
2019-03-21 02:27:50,387 - octoprint.events - INFO - Event loop shut down
2019-03-21 02:27:50,403 - octoprint.server - INFO - Goodbye!
2019-03-21 02:27:52,900 - octoprint.startup - INFO - ******************************************************************************
2019-03-21 02:27:52,902 - octoprint.startup - INFO - Starting OctoPrint 1.3.10
2019-03-21 02:27:52,903 - octoprint.startup - INFO - ******************************************************************************
2019-03-21 02:27:54,041 - octoprint.util.connectivity_checker - INFO - Connectivity changed from offline to online
2019-03-21 02:27:55,117 - octoprint.startup - INFO - Blacklist processing done, adding 1 blacklisted plugin versions: roomtemp (any)
2019-03-21 02:27:55,183 - octoprint.plugin.core - INFO - Loading plugins from /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins, /home/pi/.octoprint/plugins and installed plugin packages...
2019-03-21 02:27:57,278 - octoprint.plugin.core - INFO - Found 21 plugin(s) providing 21 mixin implementations, 22 hook handlers
2019-03-21 02:27:57,390 - octoprint.server.heartbeat - INFO - Starting server heartbeat, 900.0s interval
2019-03-21 02:27:57,419 - octoprint.server - INFO - Intermediary server started
2019-03-21 02:27:57,420 - octoprint.plugin.core - INFO - Loading plugins from /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins, /home/pi/.octoprint/plugins and installed plugin packages...
2019-03-21 02:27:58,075 - octoprint.plugin.core - INFO - Found 21 plugin(s) providing 21 mixin implementations, 22 hook handlers
2019-03-21 02:27:58,118 - octoprint.filemanager.storage - INFO - Initializing the file metadata for /home/pi/.octoprint/uploads...
2019-03-21 02:27:58,861 - octoprint.filemanager.storage - INFO - ... file metadata for /home/pi/.octoprint/uploads initialized successfully.
2019-03-21 02:27:58,879 - octoprint.plugins.tracking - INFO - Initialized anonymous tracking
2019-03-21 02:27:59,016 - octoprint.plugins.softwareupdate - INFO - Loaded version cache from disk
2019-03-21 02:28:00,669 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python2 -m pip" as command to invoke pip
2019-03-21 02:28:02,330 - octoprint.util.pip - INFO - Version of pip is 19.0.1
2019-03-21 02:28:02,333 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python2.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2019-03-21 02:28:02,333 - octoprint.util.pip - INFO - ==> pip ok -> yes
2019-03-21 02:28:02,339 - octoprint.plugins.filament - INFO - Running RPi.GPIO version '0.6.5'...
2019-03-21 02:28:02,340 - octoprint.plugins.filament - INFO - Filament Sensor Plugin [filament] initialized...
2019-03-21 02:28:02,343 - octoprint.plugin.core - INFO - Initialized 21 plugin implementation(s)
2019-03-21 02:28:02,356 - octoprint.plugin.core - INFO - 21 plugin(s) registered with the system:
|  Action Command Prompt Support (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/action_command_prompt
|  Announcement Plugin (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/announcements
|  Anonymous Usage Tracking (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/tracking
|  Application Keys Plugin (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/appkeys
|  Autoscroll (0.0.2) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_autoscroll
|  Backup & Restore (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/backup
|  BLTouch Plugin (0.3.0) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_BLTouch
|  Core Wizard (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/corewizard
|  CuraEngine (<= 15.04) (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/cura
|  Discovery (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/discovery
|  EEPROM Marlin Editor Plugin (1.2.1) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_eeprom_marlin
|  Emergency Stop Button (0.1.2) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_estop
|  Filament Sensor (1.0.1) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_filament
|  Force Login (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/forcelogin
|  Logging (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/logging
|  M73-Progress-Plugin (0.1.0) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_m73progress
|  Pi Support Plugin (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/pi_support
|  Plugin Manager (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/pluginmanager
|  Printer Safety Check (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/printer_safety_check
|  Software Update (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/softwareupdate
|  Virtual Printer (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/virtual_printer
2019-03-21 02:28:02,377 - octoprint.environment - INFO - Detected environment is Python 2.7.13 under Linux (linux2). Details:
|  hardware:
|    cores: 4
|    freq: 1400.0
|    ram: 918188032
|  os:
|    id: linux
|    platform: linux2
|  plugins:
|    pi_support:
|      model: Raspberry Pi 3 Model B Plus Rev 1.3
|      octopi_version: 0.16.0
|  python:
|    pip: 19.0.1
|    version: 2.7.13
|    virtualenv: /home/pi/oprint
2019-03-21 02:28:02,389 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/webassets...
2019-03-21 02:28:02,408 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/.webassets-cache...
2019-03-21 02:28:02,682 - octoprint.server - INFO - Shutting down intermediary server...
2019-03-21 02:28:02,838 - octoprint.server - INFO - Intermediary server shut down
2019-03-21 02:28:02,841 - octoprint.events - INFO - Processing startup event, this is our first event
2019-03-21 02:28:02,841 - octoprint.events - INFO - Adding 1 events to queue that were held back before startup event
2019-03-21 02:28:02,844 - octoprint.filemanager - INFO - Adding backlog items from all storage types to analysis queue...
2019-03-21 02:28:02,863 - octoprint.filemanager - INFO - Added 0 items from storage type "local" to analysis queue
2019-03-21 02:28:02,913 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi' for _http._tcp
2019-03-21 02:28:02,927 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi' for _octoprint._tcp
2019-03-21 02:28:02,962 - octoprint.plugins.discovery - INFO - Registered OctoPrint instance on octopi for SSDP
2019-03-21 02:28:03,123 - octoprint.server - INFO - Listening on http://127.0.0.1:5000
2019-03-21 02:28:04,187 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.1
2019-03-21 02:28:04,286 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:192.168.1.1
2019-03-21 02:28:04,301 - octoprint.server.util.sockjs - INFO - User octo-benjamin logged in on the socket from client ::ffff:192.168.1.1
2019-03-21 02:28:04,323 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from https://plugins.octoprint.org/plugins.json
2019-03-21 02:28:04,685 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from https://plugins.octoprint.org/plugins.json
2019-03-21 02:28:05,357 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python2 -m pip" as command to invoke pip
2019-03-21 02:28:05,363 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python2.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2019-03-21 02:28:05,364 - octoprint.util.pip - INFO - ==> pip ok -> yes
2019-03-21 02:28:05,857 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.200
2019-03-21 02:28:05,961 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:192.168.1.200
2019-03-21 02:28:05,976 - octoprint.server.util.sockjs - INFO - User octo-benjamin logged in on the socket from client ::ffff:192.168.1.200
2019-03-21 02:28:06,460 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python2 -m pip" as command to invoke pip
2019-03-21 02:28:06,618 - octoprint.plugins.pluginmanager - INFO - Loaded plugin notices data from https://plugins.octoprint.org/notices.json
2019-03-21 02:28:06,770 - octoprint.plugins.pluginmanager - INFO - Loaded plugin notices data from https://plugins.octoprint.org/notices.json
2019-03-21 02:28:12,755 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python2.7/site-packages/ (writable -> yes), --user flag needed -> no, virtual env -> yes
2019-03-21 02:28:12,756 - octoprint.util.pip - INFO - ==> pip ok -> yes
2019-03-21 02:28:12,851 - octoprint.plugins.softwareupdate - INFO - Saved version cache to disk
2019-03-21 02:28:12,896 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'query_string': 'l10n=en', 'path': '/', 'base_url': 'http://192.168.1.55/'}
2019-03-21 02:28:13,696 - octoprint.plugins.tracking - INFO - Sent tracking event startup, payload: {'python': '2.7.13', 'ram': 918188032, 'octopi_version': '0.16.0', 'version': u'1.3.10', 'pip': '19.0.1', 'cores': 4, 'freq': 1400.0, 'pi_model': 'Raspberry Pi 3 Model B Plus Rev 1.3', 'os': 'linux'}
2019-03-21 02:28:26,998 - octoprint.server.preemptive_cache - INFO - ... done in 14.10s
2019-03-21 02:28:26,999 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'query_string': 'l10n=en', 'path': '/', 'base_url': 'http://benjaminb.homeip.net:55555/'}
2019-03-21 02:28:32,705 - octoprint.server.preemptive_cache - INFO - ... done in 5.71s
2019-03-21 02:28:48,838 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:192.168.1.1
2019-03-21 02:28:48,979 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:192.168.1.1
2019-03-21 02:28:49,565 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.1
2019-03-21 02:28:49,710 - octoprint.server.util.flask - INFO - Passively logging in user octo-benjamin from ::ffff:192.168.1.1
2019-03-21 02:28:51,508 - octoprint.server.util.sockjs - INFO - User octo-benjamin logged in on the socket from client ::ffff:192.168.1.1
2019-03-21 02:28:54,379 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2019-03-21 02:28:54,429 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Opening serial port"
2019-03-21 02:28:54,433 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Detecting baudrate"
2019-03-21 02:28:55,452 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:28:55,503 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting baudrate" to "Operational"
2019-03-21 02:28:55,526 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:29:01,683 - octoprint.util.comm - INFO - Printer reports firmware name "Marlin 1.1.9 (Github)"
2019-03-21 02:29:01,711 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:29:02,503 - octoprint.plugins.tracking - INFO - Sent tracking event printer_connected, payload: {u'printer_baudrate': 0, u'printer_port': u'AUTO', 'firmware_name': 'Marlin 1.1.9 (Github)'}
2019-03-21 02:29:03,911 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:29:03,983 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:37:10,284 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Printing"
2019-03-21 02:37:10,310 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:37:10,315 - octoprint.plugins.filament - INFO - Printing started. Filament sensor enabled.
2019-03-21 02:37:11,109 - octoprint.plugins.tracking - INFO - Sent tracking event print_started, payload: {'origin': 'local', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc'}
2019-03-21 02:37:12,428 - octoprint.util.comm - INFO - Printer seems to support the busy protocol, will adjust timeouts and set busy interval accordingly
2019-03-21 02:37:20,443 - octoprint.util.comm - INFO - Telling the printer to set the busy interval to our "communicationBusy" timeout - 1s = 1s
2019-03-21 02:42:57,392 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 02:43:13,639 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-03-21 02:47:29,091 - octoprint.util.comm - INFO - Changing monitoring state from "Printing" to "Cancelling"
2019-03-21 02:47:29,121 - octoprint.plugins.filament - INFO - Printing stopped. Filament sensor disabled.
2019-03-21 02:47:29,225 - octoprint.plugins.filament - INFO - Printing stopped. Filament sensor disabled.
2019-03-21 02:47:29,971 - octoprint.plugins.tracking - INFO - Sent tracking event print_cancelled, payload: {'origin': 'local', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc'}
2019-03-21 02:47:30,772 - octoprint.plugins.tracking - INFO - Sent tracking event print_failed, payload: {'origin': 'local', 'reason': 'cancelled', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc', 'elapsed': 618}
2019-03-21 02:47:33,255 - octoprint.util.comm - INFO - Changing monitoring state from "Cancelling" to "Operational"
2019-03-21 02:51:05,789 - octoprint.util.comm - INFO - Force-sending M112 to the printer
2019-03-21 02:51:05,818 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Offline (Error: Closing serial port due to emergency stop M112.)"
2019-03-21 02:51:05,993 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.200) 64.04ms
2019-03-21 02:51:06,008 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.200) 74.13ms
2019-03-21 02:51:06,022 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.1) 80.00ms
2019-03-21 02:51:06,037 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.1) 75.00ms
2019-03-21 02:51:08,457 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2019-03-21 02:51:08,570 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Opening serial port"
2019-03-21 02:51:08,574 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Detecting baudrate"
2019-03-21 02:51:09,596 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:51:09,668 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting baudrate" to "Operational"
2019-03-21 02:51:09,685 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:51:15,854 - octoprint.util.comm - INFO - Printer reports firmware name "Marlin 1.1.9 (Github)"
2019-03-21 02:51:15,884 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:51:16,713 - octoprint.plugins.tracking - INFO - Sent tracking event printer_connected, payload: {u'printer_baudrate': 0, u'printer_port': u'AUTO', 'firmware_name': 'Marlin 1.1.9 (Github)'}
2019-03-21 02:51:18,078 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:51:18,155 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:53:14,111 - octoprint.util.comm - INFO - Printer seems to support the busy protocol, will adjust timeouts and set busy interval accordingly
2019-03-21 02:53:18,161 - octoprint.util.comm - INFO - Telling the printer to set the busy interval to our "communicationBusy" timeout - 1s = 1s
2019-03-21 02:57:57,395 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 02:58:13,690 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-03-21 02:59:21,799 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Offline"
2019-03-21 02:59:22,321 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.200) 83.06ms
2019-03-21 02:59:22,335 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.200) 93.06ms
2019-03-21 02:59:22,349 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.1) 87.94ms
2019-03-21 02:59:22,363 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.1) 97.92ms
2019-03-21 02:59:30,496 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2019-03-21 02:59:30,608 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Opening serial port"
2019-03-21 02:59:30,616 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Detecting baudrate"
2019-03-21 02:59:31,645 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:59:31,704 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting baudrate" to "Operational"
2019-03-21 02:59:31,720 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 02:59:37,892 - octoprint.util.comm - INFO - Printer reports firmware name "Marlin 1.1.9 (Github)"
2019-03-21 02:59:37,910 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:59:38,722 - octoprint.plugins.tracking - INFO - Sent tracking event printer_connected, payload: {u'printer_baudrate': 0, u'printer_port': u'AUTO', 'firmware_name': 'Marlin 1.1.9 (Github)'}
2019-03-21 02:59:40,116 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 02:59:40,188 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 03:00:21,286 - octoprint.util.comm - INFO - Printer seems to support the busy protocol, will adjust timeouts and set busy interval accordingly
2019-03-21 03:01:17,156 - octoprint.util.comm - ERROR - Unexpected error while reading from serial port
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/util/comm.py", line 2605, in _readline
    ret = self._serial.readline()
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/util/comm.py", line 4681, in readline
    c = self.read(1)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/serial/serialposix.py", line 501, in read
    'device reports readiness to read but returned no data '
SerialException: device reports readiness to read but returned no data (device disconnected or multiple access on port?)
2019-03-21 03:01:17,185 - octoprint.util.comm - ERROR - Please see https://faq.octoprint.org/serialerror for possible reasons of this.
2019-03-21 03:01:17,207 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Offline (Error: SerialException: 'device reports readiness to read but returned no data (device disconnected or multiple access on port?)' @ comm.py:_readline:2605)"
2019-03-21 03:01:17,397 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.1) 60.67ms
2019-03-21 03:01:17,411 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.1) 70.00ms
2019-03-21 03:01:17,426 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.200) 62.69ms
2019-03-21 03:01:17,441 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.200) 73.49ms
2019-03-21 03:04:45,537 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2019-03-21 03:04:45,579 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Opening serial port"
2019-03-21 03:04:45,583 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Detecting baudrate"
2019-03-21 03:04:46,604 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 03:04:46,656 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting baudrate" to "Operational"
2019-03-21 03:04:46,679 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 03:04:52,850 - octoprint.util.comm - INFO - Printer reports firmware name "Marlin 1.1.9 (Github)"
2019-03-21 03:04:52,879 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 03:04:53,660 - octoprint.plugins.tracking - INFO - Sent tracking event printer_connected, payload: {u'printer_baudrate': 0, u'printer_port': u'AUTO', 'firmware_name': 'Marlin 1.1.9 (Github)'}
2019-03-21 03:04:55,061 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 03:04:55,139 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 03:09:45,377 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Printing"
2019-03-21 03:09:45,398 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 03:09:45,409 - octoprint.plugins.filament - INFO - Printing started. Filament sensor enabled.
2019-03-21 03:09:46,270 - octoprint.plugins.tracking - INFO - Sent tracking event print_started, payload: {'origin': 'local', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc'}
2019-03-21 03:09:47,572 - octoprint.util.comm - INFO - Printer seems to support the busy protocol, will adjust timeouts and set busy interval accordingly
2019-03-21 03:09:55,599 - octoprint.util.comm - INFO - Telling the printer to set the busy interval to our "communicationBusy" timeout - 1s = 1s
2019-03-21 03:12:57,397 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 03:13:13,674 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-03-21 03:17:12,843 - octoprint.util.comm - INFO - Changing monitoring state from "Printing" to "Cancelling"
2019-03-21 03:17:12,878 - octoprint.plugins.filament - INFO - Printing stopped. Filament sensor disabled.
2019-03-21 03:17:12,972 - octoprint.plugins.filament - INFO - Printing stopped. Filament sensor disabled.
2019-03-21 03:17:13,714 - octoprint.plugins.tracking - INFO - Sent tracking event print_cancelled, payload: {'origin': 'local', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc'}
2019-03-21 03:17:14,496 - octoprint.plugins.tracking - INFO - Sent tracking event print_failed, payload: {'origin': 'local', 'reason': 'cancelled', 'file': 'c1891d0d8cae2b4b395d408e57edb617152977cc', 'elapsed': 447}
2019-03-21 03:17:17,281 - octoprint.util.comm - INFO - Changing monitoring state from "Cancelling" to "Operational"
2019-03-21 03:17:59,389 - octoprint.util.comm - ERROR - Unexpected error while reading from serial port
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/util/comm.py", line 2605, in _readline
    ret = self._serial.readline()
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/util/comm.py", line 4681, in readline
    c = self.read(1)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/serial/serialposix.py", line 501, in read
    'device reports readiness to read but returned no data '
SerialException: device reports readiness to read but returned no data (device disconnected or multiple access on port?)
2019-03-21 03:17:59,393 - octoprint.util.comm - ERROR - Please see https://faq.octoprint.org/serialerror for possible reasons of this.
2019-03-21 03:17:59,421 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Offline (Error: SerialException: 'device reports readiness to read but returned no data (device disconnected or multiple access on port?)' @ comm.py:_readline:2605)"
2019-03-21 03:17:59,582 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.200) 59.83ms
2019-03-21 03:17:59,596 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.200) 69.29ms
2019-03-21 03:17:59,611 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.1) 63.55ms
2019-03-21 03:17:59,625 - tornado.access - WARNING - 409 POST /api/printer/command (::ffff:192.168.1.1) 71.71ms
2019-03-21 03:19:54,489 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Opening serial port"
2019-03-21 03:19:54,495 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Connecting"
2019-03-21 03:19:54,500 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 03:19:55,574 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 03:20:01,706 - octoprint.util.comm - INFO - Changing monitoring state from "Connecting" to "Operational"
2019-03-21 03:20:01,723 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-03-21 03:20:01,858 - octoprint.util.comm - INFO - Printer reports firmware name "Marlin 1.1.9 (Github)"
2019-03-21 03:20:01,931 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 03:20:02,796 - octoprint.plugins.tracking - INFO - Sent tracking event printer_connected, payload: {u'printer_baudrate': 115200, u'printer_port': u'/dev/ttyUSB0', 'firmware_name': 'Marlin 1.1.9 (Github)'}
2019-03-21 03:20:04,154 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 03:20:04,225 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-03-21 03:20:34,948 - octoprint.util.comm - INFO - Printer seems to support the busy protocol, will adjust timeouts and set busy interval accordingly
2019-03-21 03:21:43,373 - octoprint.util.comm - INFO - Telling the printer to set the busy interval to our "communicationBusy" timeout - 1s = 1s
2019-03-21 03:27:57,399 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-03-21 03:28:13,685 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}