Hi,
same issue as you but my system was able to update, I was printing OK yesterday night after update but when I switched off the printer then Octoprint service doesn't start up.
If I send " sudo service octoprint restart
" octoprint doesn't start but no error or info about it at octoprint.log
2019-05-14 21:25:18,740 - octoprint.plugins.softwareupdate - INFO - Starting update of octoprint to 1.3.11...
2019-05-14 21:25:49,211 - octoprint.plugins.softwareupdate - INFO - Update of octoprint to 1.3.11 successful!
2019-05-14 21:25:49,299 - octoprint.plugins.softwareupdate - INFO - Saved version cache to disk
2019-05-14 21:25:49,302 - octoprint.plugins.softwareupdate - INFO - Restarting...
2019-05-14 21:25:49,443 - octoprint.server - INFO - Shutting down...
2019-05-14 21:25:49,971 - octoprint.events - INFO - Processing shutdown event, this will be our last event
2019-05-14 21:25:49,976 - octoprint.events - INFO - Event loop shut down
2019-05-14 21:25:49,992 - octoprint.server - INFO - Goodbye!
2019-05-14 21:25:52,499 - octoprint.startup - INFO - ******************************************************************************
2019-05-14 21:25:52,501 - octoprint.startup - INFO - Starting OctoPrint 1.3.11
2019-05-14 21:25:52,502 - octoprint.startup - INFO - ******************************************************************************
2019-05-14 21:25:52,563 - octoprint.util.connectivity_checker - INFO - Connectivity changed from offline to online
2019-05-14 21:25:52,870 - octoprint.startup - INFO - Blacklist processing done, adding 1 blacklisted plugin versions: roomtemp (any)
2019-05-14 21:25:52,907 - 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...
2019-05-14 21:25:54,919 - octoprint.plugin.core - INFO - Found 15 plugin(s) providing 15 mixin implementations, 23 hook handlers
2019-05-14 21:25:55,373 - octoprint.server.heartbeat - INFO - Starting server heartbeat, 900.0s interval
2019-05-14 21:25:55,399 - octoprint.server - INFO - Intermediary server started
2019-05-14 21:25:55,400 - 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...
2019-05-14 21:25:55,621 - octoprint.plugin.core - INFO - Found 15 plugin(s) providing 15 mixin implementations, 23 hook handlers
2019-05-14 21:25:55,672 - octoprint.filemanager.storage - INFO - Initializing the file metadata for /home/pi/.octoprint/uploads...
2019-05-14 21:25:56,192 - octoprint.filemanager.storage - INFO - ... file metadata for /home/pi/.octoprint/uploads initialized successfully.
2019-05-14 21:25:56,364 - octoprint.plugins.softwareupdate - INFO - Version cache was created for another version of OctoPrint, not using it
2019-05-14 21:25:57,781 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python -m pip" as command to invoke pip
2019-05-14 21:25:59,187 - octoprint.util.pip - INFO - Version of pip is 8.1.1
2019-05-14 21:25:59,188 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python2.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2019-05-14 21:25:59,189 - octoprint.util.pip - INFO - ==> pip ok -> yes
2019-05-14 21:25:59,194 - octoprint.plugin.core - INFO - Initialized 15 plugin implementation(s)
2019-05-14 21:25:59,204 - octoprint.plugin.core - INFO - 15 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
| 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
| Error Tracking (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/errortracking
| 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
| 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
2019-05-14 21:25:59,218 - octoprint.environment - INFO - Detected environment is Python 2.7.9 under Linux (linux2). Details:
| hardware:
| cores: 4
| freq: 1200.0
| ram: 901685248
| os:
| id: linux
| platform: linux2
| plugins:
| pi_support:
| model: Raspberry Pi 3 Model B Rev 1.2
| octopi_version: 0.13.0
| python:
| pip: 8.1.1
| version: 2.7.9
| virtualenv: /home/pi/oprint
2019-05-14 21:25:59,228 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/webassets...
2019-05-14 21:25:59,244 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/.webassets-cache...
2019-05-14 21:25:59,700 - octoprint.server - INFO - Shutting down intermediary server...
2019-05-14 21:25:59,908 - octoprint.server - INFO - Intermediary server shut down
2019-05-14 21:25:59,910 - octoprint.events - INFO - Processing startup event, this is our first event
2019-05-14 21:25:59,911 - octoprint.events - INFO - Adding 1 events to queue that were held back before startup event
2019-05-14 21:25:59,915 - octoprint.filemanager - INFO - Adding backlog items from all storage types to analysis queue...
2019-05-14 21:25:59,922 - octoprint.filemanager - INFO - Added 0 items from storage type "local" to analysis queue
2019-05-14 21:26:00,023 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from disk, was still valid
2019-05-14 21:26:00,176 - octoprint.plugins.pluginmanager - INFO - Loaded notice data from disk, was still valid
2019-05-14 21:26:00,462 - octoprint.server.util.watchdog - INFO - Running initial scan on watched folder...
2019-05-14 21:26:00,466 - octoprint.server.util.watchdog - INFO - ... initial scan done.
2019-05-14 21:26:00,484 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Opening serial port"
2019-05-14 21:26:00,491 - octoprint.util.comm - INFO - Changing monitoring state from "Opening serial port" to "Connecting"
2019-05-14 21:26:00,489 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi' for _http._tcp
2019-05-14 21:26:00,504 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-05-14 21:26:00,506 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi' for _octoprint._tcp
2019-05-14 21:26:00,518 - octoprint.plugins.discovery - INFO - Registered OctoPrint instance on octopi for SSDP
2019-05-14 21:26:00,599 - octoprint.plugins.pi_support - WARNING - This Raspberry Pi is reporting problems that might lead to bad performance or errors caused by overheating or insufficient power.
!!! UNDERVOLTAGE REPORTED !!! Make sure that the power supply and power cable are capable of supplying enough voltage and current to your Pi.
2019-05-14 21:26:00,606 - octoprint.server - INFO - Listening on http://127.0.0.1:5000
2019-05-14 21:26:00,840 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from disk, was still valid
2019-05-14 21:26:01,080 - octoprint.plugins.pluginmanager - INFO - Loaded notice data from disk, was still valid
2019-05-14 21:26:01,565 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-05-14 21:26:02,353 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python -m pip" as command to invoke pip
2019-05-14 21:26:02,355 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python2.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2019-05-14 21:26:02,355 - octoprint.util.pip - INFO - ==> pip ok -> yes
2019-05-14 21:26:02,465 - octoprint.server.util.sockjs - INFO - New connection from client: 192.168.1.39
2019-05-14 21:26:02,573 - octoprint.server.util.flask - INFO - Passively logging in user admin from 192.168.1.39
2019-05-14 21:26:02,628 - tornado.access - WARNING - 404 GET /api/plugin/octopi_support (192.168.1.39) 14.67ms
2019-05-14 21:26:02,973 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python -m pip" as command to invoke pip
2019-05-14 21:26:04,767 - octoprint.util.comm - INFO - Changing monitoring state from "Connecting" to "Operational"
2019-05-14 21:26:04,772 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-05-14 21:26:04,848 - octoprint.util.comm - INFO - Printer reports firmware name "Marlin 1.1.9 (Github)"
2019-05-14 21:26:04,852 - octoprint.util.comm - INFO - Firmware states that it supports temperature autoreporting
2019-05-14 21:26:08,353 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python2.7/site-packages/ (writable -> yes), --user flag needed -> no, virtual env -> yes
2019-05-14 21:26:08,353 - octoprint.util.pip - INFO - ==> pip ok -> yes
2019-05-14 21:26:08,369 - octoprint.plugins.softwareupdate - INFO - Saved version cache to disk
2019-05-14 21:26:08,532 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'query_string': 'l10n=en', 'path': '/', 'base_url': 'http://octopi.local/'}
2019-05-14 21:26:18,335 - octoprint.server.preemptive_cache - INFO - ... done in 9.80s
2019-05-14 21:26:46,177 - octoprint.server.util.sockjs - INFO - Client connection closed: 192.168.1.39
2019-05-14 21:26:46,498 - octoprint.server.util.flask - INFO - Passively logging in user admin from 192.168.1.39
2019-05-14 21:26:50,745 - octoprint.server.util.sockjs - INFO - New connection from client: 192.168.1.39
2019-05-14 21:26:50,850 - octoprint.server.util.sockjs - INFO - Client connection closed: 192.168.1.39
2019-05-14 21:26:52,767 - octoprint.server.util.sockjs - INFO - New connection from client: 192.168.1.39
2019-05-14 21:26:52,910 - octoprint.server.util.flask - INFO - Passively logging in user admin from 192.168.1.39
2019-05-14 21:26:55,371 - octoprint.server.util.sockjs - INFO - User admin logged in on the socket from client 192.168.1.39
2019-05-14 21:27:11,001 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 75}
2019-05-14 21:27:11,452 - octoprint.plugins.tracking - INFO - Sent tracking event startup, payload: {'python': '2.7.9', 'ram': 901685248, 'octopi_version': '0.13.0', 'version': u'1.3.11', 'pip': '8.1.1', 'cores': 4, 'freq': 1200.0, 'pi_model': 'Raspberry Pi 3 Model B Rev 1.2', 'os': 'linux'}
2019-05-14 21:27:31,432 - octoprint.printer.standard.job - INFO - Print job selected - origin: local, path: Full-Size-129db-Whistle-No-Wings-V2.gcode, owner: admin, user: admin
2019-05-14 21:27:31,581 - octoprint.util.comm - INFO - Changing monitoring state from "Operational" to "Starting"
2019-05-14 21:27:31,587 - octoprint.printer.standard.job - INFO - Print job started - origin: local, path: Full-Size-129db-Whistle-No-Wings-V2.gcode, owner: admin, user: admin
2019-05-14 21:27:31,596 - octoprint.util.comm - INFO - M110 detected, setting current line number to 0
2019-05-14 21:27:31,629 - octoprint.util.comm - INFO - Changing monitoring state from "Starting" to "Printing"
2019-05-14 21:27:32,002 - octoprint.plugins.tracking - INFO - Sent tracking event print_started, payload: {'origin': 'local', 'throttled_now': False, 'throttled_mask': 327680, 'file': '901c6f0b9e0d34969098d98eef679aaa12489576', 'throttled_past': True}
2019-05-14 21:27:33,770 - octoprint.util.comm - INFO - Printer seems to support the busy protocol, will adjust timeouts and set busy interval accordingly
2019-05-14 21:29:32,346 - octoprint.util.comm - INFO - Telling the printer to set the busy interval to our "communicationBusy" timeout - 1s = 2s
2019-05-14 21:40:55,376 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-05-14 21:42:10,832 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 975}
2019-05-14 21:55:55,378 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-05-14 21:57:10,853 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 1875}
2019-05-14 21:57:52,412 - octoprint.server.util.sockjs - INFO - Client connection closed: 192.168.1.39
2019-05-14 22:10:55,380 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-05-14 22:12:11,130 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 2775}
2019-05-14 22:25:55,383 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-05-14 22:27:10,939 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 3675}
2019-05-14 22:33:03,024 - octoprint.util.comm - INFO - Finished in 3931.444 s.
2019-05-14 22:33:03,026 - octoprint.util.comm - INFO - Changing monitoring state from "Printing" to "Finishing"
2019-05-14 22:33:03,039 - octoprint.printer.standard.job - INFO - Print job done - origin: local, path: Full-Size-129db-Whistle-No-Wings-V2.gcode, owner: admin
2019-05-14 22:33:03,106 - octoprint.util.comm - INFO - Changing monitoring state from "Finishing" to "Operational"
2019-05-14 22:33:03,648 - octoprint.plugins.tracking - INFO - Sent tracking event print_done, payload: {'origin': 'local', 'throttled_mask': 327680, 'elapsed': 3931, 'file': '901c6f0b9e0d34969098d98eef679aaa12489576', 'throttled_now': False, 'throttled_past': True}
2019-05-14 22:40:55,385 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-05-14 22:42:11,206 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 4575}
2019-05-14 22:55:55,387 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-05-14 22:57:10,900 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 5475}
2019-05-14 23:10:55,390 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-05-14 23:12:11,179 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 6375}
2019-05-14 23:25:55,392 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-05-14 23:27:10,861 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 7276}
Thanks and regards,
Dani.