SerialException: device reports readiness to read but returned no data (device disconnected or multiple access on port?)
2020-07-06 13:17:53,514 - octoprint.util.comm - ERROR - Please see https://faq.octoprint.org/serialerror for possible reasons of this.
2020-07-06 13:17:53,521 - 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:2823)"
2020-07-06 13:17:54,484 - tornado.access - WARNING - 409 GET /api/printer?history=false&limit=0&exclude=sd (127.0.0.1) 9.30ms
2020-07-06 13:17:55,280 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 13:18:00,627 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 13:18:00,639 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 13:18:00,641 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 13:18:00,729 - octoprint.server.api.system - INFO - Performing command for core:reboot: sudo shutdown -r now
2020-07-06 13:18:01,017 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:192.168.178.92
2020-07-06 13:18:01,183 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 13:18:01,304 - octoprint.server - INFO - Shutting down...
2020-07-06 13:18:01,853 - octoprint.events - INFO - Processing shutdown event, this will be our last event
2020-07-06 13:18:01,856 - octoprint.events - INFO - Event loop shut down
2020-07-06 13:18:01,871 - octoprint.server - INFO - Goodbye!
2020-07-06 13:18:17,505 - octoprint.startup - INFO - ******************************************************************************
2020-07-06 13:18:17,508 - octoprint.startup - INFO - Starting OctoPrint 1.4.0
2020-07-06 13:18:17,508 - octoprint.startup - INFO - ******************************************************************************
2020-07-06 13:18:18,515 - octoprint.startup - INFO - We don't appear to be online, not fetching plugin blacklist
2020-07-06 13:18:18,642 - 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...
2020-07-06 13:18:21,425 - octoprint.plugin.core - INFO - Plugin Continuous Print (1.0.3) is disabled.
2020-07-06 13:18:21,454 - octoprint.plugin.core - INFO - Found 22 plugin(s) providing 21 mixin implementations, 33 hook handlers
2020-07-06 13:18:21,701 - octoprint.server.heartbeat - INFO - Starting server heartbeat, 900.0s interval
2020-07-06 13:18:21,760 - octoprint.server - INFO - Intermediary server started
2020-07-06 13:18:21,763 - 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...
2020-07-06 13:18:21,879 - octoprint.plugin.core - INFO - Found 22 plugin(s) providing 21 mixin implementations, 33 hook handlers
2020-07-06 13:18:21,912 - octoprint.filemanager.storage - INFO - Initializing the file metadata for /home/pi/.octoprint/uploads...
2020-07-06 13:18:21,917 - octoprint.filemanager.storage - INFO - ... file metadata for /home/pi/.octoprint/uploads initialized successfully.
2020-07-06 13:18:21,921 - octoprint.server - INFO - Added new permission from plugin action_command_prompt: PLUGIN_ACTION_COMMAND_PROMPT_INTERACT (needs: u"Need(method='role', value=u'plugin_action_command_prompt_interact')")
2020-07-06 13:18:21,923 - octoprint.server - INFO - Added new permission from plugin announcements: PLUGIN_ANNOUNCEMENTS_READ (needs: u"Need(method='role', value=u'plugin_announcements_read')")
2020-07-06 13:18:21,925 - octoprint.server - INFO - Added new permission from plugin announcements: PLUGIN_ANNOUNCEMENTS_MANAGE (needs: u"Need(method='role', value=u'plugin_announcements_manage'), Need(method='role', value=u'plugin_announcements_read')")
2020-07-06 13:18:21,927 - octoprint.server - INFO - Added new permission from plugin appkeys: PLUGIN_APPKEYS_ADMIN (needs: u"Need(method='role', value=u'plugin_appkeys_admin')")
2020-07-06 13:18:21,928 - octoprint.server - INFO - Added new permission from plugin backup: PLUGIN_BACKUP_ACCESS (needs: u"Need(method='role', value=u'plugin_backup_access')")
2020-07-06 13:18:21,930 - octoprint.server - INFO - Added new permission from plugin logging: PLUGIN_LOGGING_MANAGE (needs: u"Need(method='role', value=u'plugin_logging_manage')")
2020-07-06 13:18:21,931 - octoprint.server - INFO - Added new permission from plugin pi_support: PLUGIN_PI_SUPPORT_STATUS (needs: u"Need(method='role', value=u'plugin_pi_support_check')")
2020-07-06 13:18:21,933 - octoprint.server - INFO - Added new permission from plugin pluginmanager: PLUGIN_PLUGINMANAGER_MANAGE (needs: u"Need(method='role', value=u'plugin_pluginmanager_manage')")
2020-07-06 13:18:21,934 - octoprint.server - INFO - Added new permission from plugin pluginmanager: PLUGIN_PLUGINMANAGER_INSTALL (needs: u"Need(method='role', value=u'plugin_pluginmanager_install'), Need(method='role', value=u'plugin_pluginmanager_manage')")
2020-07-06 13:18:21,936 - octoprint.server - INFO - Added new permission from plugin printer_safety_check: PLUGIN_PRINTER_SAFETY_CHECK_DISPLAY (needs: u"Need(method='role', value=u'plugin_printer_safety_check_display')")
2020-07-06 13:18:21,938 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_CHECK (needs: u"Need(method='role', value=u'plugin_softwareupdate_check')")
2020-07-06 13:18:21,939 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_UPDATE (needs: u"Need(method='role', value=u'plugin_softwareupdate_update')")
2020-07-06 13:18:22,080 - octoprint.plugins.softwareupdate - INFO - Loaded version cache from disk
2020-07-06 13:18:23,477 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python2 -m pip" as command to invoke pip
2020-07-06 13:18:24,522 - octoprint.util.pip - INFO - Version of pip is 19.3.1
2020-07-06 13:18:24,524 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python2.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2020-07-06 13:18:24,525 - octoprint.util.pip - INFO - ==> pip ok -> yes
2020-07-06 13:18:24,530 - octoprint.plugin.core - INFO - Initialized 21 plugin implementation(s)
2020-07-06 13:18:24,543 - 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
|  Backup & Restore (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/backup
| !Continuous Print (1.0.3) = /home/pi/oprint/local/lib/python2.7/site-packages/continuousprint
|  Core Wizard (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/corewizard
|  Discovery (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/discovery
|  Dragon Order (0.1.4) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_dragon_order
|  Error Tracking (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/errortracking
|  Floating Navbar (0.3.4) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_floatingnavbar
|  Fullscreen Plugin (0.0.5) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_fullscreen
|  Logging (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/logging
|  Login UI (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/loginui
|  Octoprint-Display-ETA (1.1.1) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_display_eta
|  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
|  Print Track (1.0.2) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_printtrack
|  Printer Safety Check (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/printer_safety_check
|  Simple Emergency Stop (1.0.1) = /home/pi/oprint/local/lib/python2.7/site-packages/octoprint_simpleemergencystop
|  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
Prefix legend: ! = disabled, # = blacklisted, * = incompatible
2020-07-06 13:18:24,574 - octoprint.environment - INFO - Detected environment is Python 2.7.16 under Linux (linux2). Details:
|  hardware:
|      cores: 4
|      freq: 1400.0
|      ram: 385228800
|  os:
|      id: linux
|      platform: linux2
|  plugins:
|      pi_support:
|          model: Raspberry Pi 3 Model A Plus Rev 1.0
|          octopi_version: 0.17.0
|  python:
|      pip: 19.3.1
|      version: 2.7.16
|      virtualenv: /home/pi/oprint
2020-07-06 13:18:24,596 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/webassets...
2020-07-06 13:18:24,700 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/.webassets-cache...
2020-07-06 13:18:26,314 - octoprint.server - INFO - Shutting down intermediary server...
2020-07-06 13:18:26,339 - octoprint.server - INFO - Intermediary server shut down
2020-07-06 13:18:26,342 - octoprint.events - INFO - Processing startup event, this is our first event
2020-07-06 13:18:26,344 - octoprint.events - INFO - Adding 0 events to queue that were held back before startup event
2020-07-06 13:18:26,346 - octoprint.filemanager - INFO - Adding backlog items from all storage types to analysis queue...
2020-07-06 13:18:26,350 - octoprint.server.util.watchdog - INFO - Running initial scan on watched folder...
2020-07-06 13:18:26,354 - octoprint.server.util.watchdog - INFO - ... initial scan done.
2020-07-06 13:18:26,355 - octoprint.filemanager - INFO - Added 0 items from storage type "local" to analysis queue
2020-07-06 13:18:26,370 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance "iFactory"' for _http._tcp
2020-07-06 13:18:26,383 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance "iFactory"' for _octoprint._tcp
2020-07-06 13:18:26,396 - octoprint.plugins.discovery - INFO - Registered OctoPrint instance "iFactory" for SSDP
2020-07-06 13:18:26,411 - octoprint.server - INFO - Listening on http://127.0.0.1:5000
2020-07-06 13:18:26,544 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from disk, was still valid
2020-07-06 13:18:27,744 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python2 -m pip" as command to invoke pip
2020-07-06 13:18:27,746 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python2.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2020-07-06 13:18:27,747 - octoprint.util.pip - INFO - ==> pip ok -> yes
2020-07-06 13:18:27,859 - octoprint.util.connectivity_checker - INFO - Connectivity changed from offline to online
2020-07-06 13:18:28,331 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from disk, was still valid
2020-07-06 13:18:28,810 - octoprint.plugins.pluginmanager - INFO - Loaded notice data from disk, was still valid
2020-07-06 13:18:30,104 - octoprint.plugins.pluginmanager - INFO - Loaded notice data from disk, was still valid
2020-07-06 13:18:30,276 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'query_string': 'l10n=en', 'path': '/', 'base_url': 'http://192.168.178.120/'}
2020-07-06 13:18:30,615 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 9}
2020-07-06 13:18:31,030 - octoprint.plugins.tracking - INFO - Sent tracking event startup, payload: {'python': '2.7.16', 'ram': 385228800, u'octopi_version': u'0.17.0', 'version': u'1.4.0', 'pip': '19.3.1', 'cores': 4, 'freq': 1400.0, u'pi_model': u'Raspberry Pi 3 Model A Plus Rev 1.0', 'os': 'linux'}
2020-07-06 13:18:31,504 - octoprint.plugins.tracking - INFO - Sent tracking event pong, payload: {'plugins': u'fullscreen:0.0.5,simpleemergencystop:1.0.1,floatingnavbar:0.3.4,display_eta:1.1.1,dragon_order:0.1.4,printtrack:1.0.2'}
2020-07-06 13:18:32,727 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 57.69ms
2020-07-06 13:18:32,749 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 15.32ms
2020-07-06 13:18:33,012 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 13:18:35,241 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.178.92
2020-07-06 13:18:35,422 - octoprint.server.util.flask - INFO - Passively logging in user octo from ::ffff:192.168.178.92
2020-07-06 13:18:35,425 - octoprint.access.users - INFO - Logged in user: octo
2020-07-06 13:18:35,513 - octoprint.server.util.sockjs - INFO - User octo logged in on the socket from client ::ffff:192.168.178.92
2020-07-06 13:18:38,431 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 13:18:38,438 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 13:18:38,439 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 13:18:38,728 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 13:18:39,251 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 13:18:41,222 - octoprint.server.preemptive_cache - INFO - ... done in 10.95s
2020-07-06 13:18:44,221 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 13:18:44,227 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 13:18:44,230 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 13:18:44,703 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 13:18:45,594 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 13:19:03,464 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 13:19:03,476 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 13:19:03,479 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 13:19:03,984 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 13:19:04,135 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 13:19:09,474 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 13:19:09,486 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 13:19:09,489 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 13:19:09,999 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 13:19:15,781 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 13.97ms
2020-07-06 13:19:15,798 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 11.98ms
2020-07-06 13:19:15,963 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 13:19:21,311 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 13:19:21,320 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 13:19:21,321 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 13:19:21,880 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 13:19:21,926 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 13:19:27,268 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 13:19:27,282 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 13:19:27,284 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 13:19:27,719 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 13:19:27,915 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 13:19:33,256 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 13:19:33,268 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 13:19:33,270 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 13:19:33,726 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 13:19:33,917 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 13:19:39,256 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 13:19:39,269 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 13:19:39,271 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 13:19:39,723 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 13:19:45,550 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 12.82ms
2020-07-06 13:19:45,567 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 11.52ms
2020-07-06 13:19:45,731 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 13:19:48,922 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Opening serial port"
2020-07-06 13:19:48,931 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Connecting"
2020-07-06 13:19:48,940 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2020-07-06 13:19:53,961 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 13:19:53,967 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 13:19:53,970 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 13:19:54,269 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 13:20:15,288 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 13.02ms
2020-07-06 13:20:15,306 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 11.77ms
2020-07-06 13:20:18,967 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2020-07-06 13:20:18,972 - octoprint.util.comm - INFO - Changing monitoring state from "Connecting" to "Operational"
2020-07-06 13:20:19,003 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2020-07-06 13:20:44,309 - octoprint.printer.standard.job - INFO - Print job selected - origin: sdcard, path: 45_04_pla_45gradbedadapter_oben.gcode, owner: octo, user: octo
2020-07-06 13:20:45,448 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Starting print from SD"
2020-07-06 13:20:45,454 - octoprint.printer.standard.job - INFO - Print job started - origin: sdcard, path: 45_04_pla_45gradbedadapter_oben.gcode, owner: octo, user: octo
2020-07-06 13:20:45,568 - octoprint.util.comm - INFO - Changing monitoring state from "Starting print from SD" to "Printing from SD"
2020-07-06 13:20:45,934 - octoprint.plugins.tracking - INFO - Sent tracking event print_started, payload: {'origin': u'sdcard', 'file': '038153e908ee4c1c575d34705d6db4b27191e068'}
2020-07-06 13:24:15,099 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 12.14ms
2020-07-06 13:24:15,119 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 14.61ms
2020-07-06 13:25:03,580 - octoprint.util.comm - INFO - Changing monitoring state from "Printing from SD" to "Cancelling"
2020-07-06 13:25:03,586 - octoprint.util.comm - INFO - Force-sending M108 to the printer
2020-07-06 13:25:03,589 - octoprint.printer.standard.job - INFO - Print job cancelled - origin: sdcard, path: 45_04_pla_45gradbedadapter_oben.gcode, owner: octo, user: octo
2020-07-06 13:25:03,744 - octoprint.util.comm - INFO - Changing monitoring state from "Cancelling" to "Operational"
2020-07-06 13:25:04,156 - octoprint.plugins.tracking - INFO - Sent tracking event print_cancelled, payload: {'origin': u'sdcard', 'file': '038153e908ee4c1c575d34705d6db4b27191e068', u'elapsed': 258}
2020-07-06 13:25:04,688 - octoprint.plugins.tracking - INFO - Sent tracking event print_failed, payload: {'origin': u'sdcard', u'reason': u'cancelled', 'file': '038153e908ee4c1c575d34705d6db4b27191e068', u'elapsed': 258}
2020-07-06 13:26:22,257 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Starting print from SD"
2020-07-06 13:26:22,270 - octoprint.printer.standard.job - INFO - Print job started - origin: sdcard, path: 45_04_pla_45gradbedadapter_oben.gcode, owner: octo, user: octo
2020-07-06 13:26:22,414 - octoprint.util.comm - INFO - Changing monitoring state from "Starting print from SD" to "Printing from SD"
2020-07-06 13:26:22,791 - octoprint.plugins.tracking - INFO - Sent tracking event print_started, payload: {'origin': u'sdcard', 'file': '038153e908ee4c1c575d34705d6db4b27191e068'}
2020-07-06 13:27:56,020 - octoprint.util.comm - INFO - Changing monitoring state from "Printing from SD" to "Cancelling"
2020-07-06 13:27:56,032 - octoprint.util.comm - INFO - Force-sending M108 to the printer
2020-07-06 13:27:56,049 - octoprint.printer.standard.job - INFO - Print job cancelled - origin: sdcard, path: 45_04_pla_45gradbedadapter_oben.gcode, owner: octo, user: octo
2020-07-06 13:27:56,191 - octoprint.util.comm - INFO - Changing monitoring state from "Cancelling" to "Operational"
2020-07-06 13:27:56,644 - octoprint.plugins.tracking - INFO - Sent tracking event print_cancelled, payload: {'origin': u'sdcard', 'file': '038153e908ee4c1c575d34705d6db4b27191e068', u'elapsed': 93}
2020-07-06 13:27:57,013 - octoprint.plugins.tracking - INFO - Sent tracking event print_failed, payload: {'origin': u'sdcard', u'reason': u'cancelled', 'file': '038153e908ee4c1c575d34705d6db4b27191e068', u'elapsed': 93}
2020-07-06 13:33:21,704 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2020-07-06 13:33:30,567 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 895}
2020-07-06 13:48:21,706 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2020-07-06 13:48:30,603 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 1795}
2020-07-06 13:53:22,898 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Starting print from SD"
2020-07-06 13:53:22,904 - octoprint.printer.standard.job - INFO - Print job started - origin: sdcard, path: 45_04_pla_45gradbedadapter_oben.gcode, owner: octo, user: octo
2020-07-06 13:53:23,021 - octoprint.util.comm - INFO - Changing monitoring state from "Starting print from SD" to "Printing from SD"
2020-07-06 13:53:23,566 - octoprint.plugins.tracking - INFO - Sent tracking event print_started, payload: {'origin': u'sdcard', 'file': '038153e908ee4c1c575d34705d6db4b27191e068'}
2020-07-06 13:55:29,290 - octoprint.util.comm - INFO - Force-sending M112 to the printer
2020-07-06 13:55:29,300 - octoprint.util.comm - INFO - Changing monitoring state from "Printing from SD" to "Offline (Error: Closing serial port due to emergency stop M112.)"
2020-07-06 13:55:29,759 - octoprint.plugins.tracking - INFO - Sent tracking event print_failed, payload: {'origin': u'sdcard', u'reason': u'error', u'commerror_text': u'Closing serial port due to emergency stop M112.', 'file': '038153e908ee4c1c575d34705d6db4b27191e068', u'elapsed': 126}
2020-07-06 13:55:31,265 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 13:55:31,333 - tornado.access - WARNING - 409 GET /api/printer?history=false&limit=0&exclude=sd (127.0.0.1) 10.27ms
2020-07-06 13:55:33,849 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Opening serial port"
2020-07-06 13:55:33,853 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Connecting"
2020-07-06 13:55:33,866 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2020-07-06 13:55:33,900 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: device reports readiness to read but returned no data (device disconnected or multiple access on port?)
2020-07-06 13:55:33,905 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 13:55:33,909 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 13:55:34,435 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 13:55:48,896 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2020-07-06 13:55:48,909 - octoprint.util.comm - INFO - Changing monitoring state from "Connecting" to "Operational"
2020-07-06 13:55:48,940 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2020-07-06 13:56:00,808 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 12.56ms
2020-07-06 13:56:00,828 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 14.29ms
2020-07-06 14:00:20,456 - octoprint.printer.standard.job - INFO - Print job selected - origin: sdcard, path: 45_04_pla_45gradbedadapter_oben.gcode, owner: octo, user: octo
2020-07-06 14:00:22,436 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Starting print from SD"
2020-07-06 14:00:22,442 - octoprint.printer.standard.job - INFO - Print job started - origin: sdcard, path: 45_04_pla_45gradbedadapter_oben.gcode, owner: octo, user: octo
2020-07-06 14:00:22,544 - octoprint.util.comm - INFO - Changing monitoring state from "Starting print from SD" to "Printing from SD"
2020-07-06 14:00:23,061 - octoprint.plugins.tracking - INFO - Sent tracking event print_started, payload: {'origin': u'sdcard', 'file': '038153e908ee4c1c575d34705d6db4b27191e068'}
2020-07-06 14:01:41,227 - octoprint.util.comm - WARNING - Received an error from the printer's firmware: It's not printing now!
| Last lines in terminal:
| Send: N197 M27*25
| Recv: SD printing byte 0/1791532
| Recv: ok N:197
| Send: N198 M27*22
| Recv: SD printing byte 0/1791532
| Recv: ok N:198
| Send: N199 M27*23
| Recv: SD printing byte 0/1791532
| Recv: ok N:199
| Send: N200 M105*37
| Recv: ok T:207 /205 B:56 /55 @:0 B@:0
| Send: N201 M27*21
| Recv: SD printing byte 0/1791532
| Recv: ok N:201
| Send: N202 M27*22
| Recv: SD printing byte 0/1791532
| Recv: ok N:202
| Recv: //restore file position:4167 - 4167 = 0
| Send: N203 M27*23
| Recv: Error:It's not printing now!
2020-07-06 14:01:41,228 - octoprint.util.comm - INFO - Changing monitoring state from "Printing from SD" to "Error: It's not printing now!"
2020-07-06 14:01:41,238 - octoprint.util.comm - INFO - Force-sending M112 to the printer
2020-07-06 14:01:41,264 - octoprint.util.comm - INFO - Changing monitoring state from "Error: It's not printing now!" to "Offline (Error: It's not printing now!)"
2020-07-06 14:01:41,669 - octoprint.plugins.tracking - INFO - Sent tracking event print_failed, payload: {'origin': u'sdcard', u'reason': u'error', u'commerror_text': u"It's not printing now!", 'file': '038153e908ee4c1c575d34705d6db4b27191e068', u'elapsed': 78}
2020-07-06 14:01:42,095 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_firmware, payload: {'commerror_text': u"It's not printing now!"}
2020-07-06 14:01:42,989 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 14:01:46,791 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Opening serial port"
2020-07-06 14:01:46,799 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Connecting"
2020-07-06 14:01:46,807 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2020-07-06 14:01:46,811 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2020-07-06 14:01:46,815 - 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 2823, in _readline
    ret = self._serial.readline()
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/util/comm.py", line 4952, in readline
    data += bytearray(self.read(self.in_waiting))
  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?)
2020-07-06 14:01:46,922 - octoprint.util.comm - ERROR - Please see https://faq.octoprint.org/serialerror for possible reasons of this.
2020-07-06 14:01:46,928 - octoprint.util.comm - INFO - Changing monitoring state from "Connecting" to "Offline (Error: SerialException: 'device reports readiness to read but returned no data (device disconnected or multiple access on port?)' @ comm.py:_readline:2823)"
2020-07-06 14:01:47,328 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 14:01:51,847 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 14:01:51,859 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 14:01:51,862 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 14:01:52,334 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 14:01:52,672 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 14:01:52,675 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 14:01:52,675 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 14:01:52,954 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 14:01:53,131 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 14:01:58,293 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 14:01:58,307 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 14:01:58,311 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 14:01:58,753 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 14:01:58,944 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 14:02:00,227 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Opening serial port"
2020-07-06 14:02:00,231 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Connecting"
2020-07-06 14:02:00,239 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2020-07-06 14:02:05,270 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 14:02:05,283 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 14:02:05,285 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 14:02:05,866 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 14:02:12,510 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 13.53ms
2020-07-06 14:02:12,528 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 13.33ms
2020-07-06 14:02:15,254 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2020-07-06 14:02:15,257 - octoprint.util.comm - INFO - Changing monitoring state from "Connecting" to "Operational"
2020-07-06 14:02:15,276 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2020-07-06 14:03:21,707 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2020-07-06 14:03:30,540 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 2695}
2020-07-06 14:18:21,710 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2020-07-06 14:18:30,591 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 3595}
2020-07-06 14:29:09,553 - octoprint.printer.standard.job - INFO - Print job selected - origin: sdcard, path: 45_04_pla_45gradbedadapter_oben.gcode, owner: octo, user: octo
2020-07-06 14:29:12,379 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Starting print from SD"
2020-07-06 14:29:12,391 - octoprint.printer.standard.job - INFO - Print job started - origin: sdcard, path: 45_04_pla_45gradbedadapter_oben.gcode, owner: octo, user: octo
2020-07-06 14:29:12,550 - octoprint.util.comm - INFO - Changing monitoring state from "Starting print from SD" to "Printing from SD"
2020-07-06 14:29:12,957 - octoprint.plugins.tracking - INFO - Sent tracking event print_started, payload: {'origin': u'sdcard', 'file': '038153e908ee4c1c575d34705d6db4b27191e068'}
2020-07-06 14:31:20,241 - octoprint.util.comm - WARNING - Received an error from the printer's firmware: It's not printing now!
| Last lines in terminal:
| Recv: ok N:511
| Send: N512 M27*16
| Recv: SD printing byte 5142/1791532
| Recv: ok N:512
| Send: N513 M105*32
| Recv: ok T:202 /205 B:55 /55 @:86 B@:128
| Send: N514 M27*22
| Recv: SD printing byte 5142/1791532
| Recv: ok N:514
| Send: N515 M27*23
| Recv: SD printing byte 5533/1791532
| Recv: ok N:515
| Send: N516 M27*20
| Recv: SD printing byte 5533/1791532
| Recv: ok N:516
| Send: N517 M27*21
| Recv: SD printing byte 5533/1791532
| Recv: ok N:517
| Send: N518 M27*26
| Recv: Error:It's not printing now!
2020-07-06 14:31:20,245 - octoprint.util.comm - INFO - Changing monitoring state from "Printing from SD" to "Error: It's not printing now!"
2020-07-06 14:31:20,262 - octoprint.util.comm - INFO - Force-sending M112 to the printer
2020-07-06 14:31:20,314 - octoprint.util.comm - INFO - Changing monitoring state from "Error: It's not printing now!" to "Offline (Error: It's not printing now!)"
2020-07-06 14:31:20,763 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 14:31:20,832 - octoprint.plugins.tracking - INFO - Sent tracking event print_failed, payload: {'origin': u'sdcard', u'reason': u'error', u'commerror_text': u"It's not printing now!", 'file': '038153e908ee4c1c575d34705d6db4b27191e068', u'elapsed': 127}
2020-07-06 14:31:21,327 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_firmware, payload: {'commerror_text': u"It's not printing now!"}
2020-07-06 14:31:26,124 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 14:31:26,136 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 14:31:26,141 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 14:31:26,643 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"
2020-07-06 14:31:26,689 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 14:31:31,995 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyUSB0: u'Timeout'
2020-07-06 14:31:32,011 - octoprint.util.comm - INFO - Could not enter programming mode on /dev/ttyS0: u'Failed to open serial port'
2020-07-06 14:31:32,015 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial port" to "Error: Failed to autodetect serial port, please set it manually."
2020-07-06 14:31:32,438 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect_port, payload: {'commerror_text': u'Failed to autodetect serial port, please set it manually.'}
2020-07-06 14:31:32,641 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial port"