{"action":"created","issue":{"url":"https://api.github.com/repos/foosel/OctoPrint/issues/940","repository_url":"https://api.github.com/repos/foosel/OctoPrint","labels_url":"https://api.github.com/repos/foosel/OctoPrint/issues/940/labels{/name}","comments_url":"https://api.github.com/repos/foosel/OctoPrint/issues/940/comments","events_url":"https://api.github.com/repos/foosel/OctoPrint/issues/940/events","html_url":"https://github.com/foosel/OctoPrint/issues/940","id":89312159,"number":940,"title":"Cannot Connect To Printer","user":{"login":"Chiliyago","id":4322241,"avatar_url":"https://avatars.githubusercontent.com/u/4322241?v=3","gravatar_id":"","url":"https://api.github.com/users/Chiliyago","html_url":"https://github.com/Chiliyago","followers_url":"https://api.github.com/users/Chiliyago/followers","following_url":"https://api.github.com/users/Chiliyago/following{/other_user}","gists_url":"https://api.github.com/users/Chiliyago/gists{/gist_id}","starred_url":"https://api.github.com/users/Chiliyago/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Chiliyago/subscriptions","organizations_url":"https://api.github.com/users/Chiliyago/orgs","repos_url":"https://api.github.com/users/Chiliyago/repos","events_url":"https://api.github.com/users/Chiliyago/events{/privacy}","received_events_url":"https://api.github.com/users/Chiliyago/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/foosel/OctoPrint/labels/status:awaiting%20information","name":"status:awaiting information","color":"fef2c0"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":9,"created_at":"2015-06-18T14:43:24Z","updated_at":"2016-02-14T04:58:18Z","closed_at":"2015-06-24T13:53:44Z","body":"1. What were you doing?\r\nOpening Octoprint for the first time.\r\n\r\n2. What did you expect to happen?\r\nConnect to Printer automaticaly\r\n\r\n3. What happened instead?\r\nI received this message on the home page:\r\nMachine State: Error: Failed to open serial port, permissions correct?\r\n\r\nThis is found in the Terminal \r\nChanging monitoring state from 'Offline' to 'Opening serial port'\r\nConnecting to: None\r\nUnexpected error while connecting to serial port: None OSError: '[Errno 2] No such file or directory: 'None'' @ comm.py:_openSerial:943\r\nChanging monitoring state from 'Opening serial port' to 'Error: Failed to open serial port, permissions correct?'\r\nChanging monitoring state from 'Offline' to 'Opening serial port'\r\nConnecting to: None\r\nUnexpected error while connecting to serial port: None OSError: '[Errno 2] No such file or directory: 'None'' @ comm.py:_openSerial:943\r\nChanging monitoring state from 'Opening serial port' to 'Error: Failed to open serial port, permissions correct?'\r\n\r\n4. Branch & Commit or Version of OctoPrint:\r\nVersion: 1.1.1-30-g4fede5a (master branch)\r\n\r\n5. Printer model & used firmware incl. version\r\n   (if applicable - always include if unsure):\r\nPrusa i3.  I am not sure I just of firmware at this time\r\n\r\n\r\n6. Browser and Version of Browser, Operating \r\n   System running Browser (if applicable - always \r\n   include if unsure):\r\n\r\nOctoPrint is running on latest verison of OctoPi dated 13-Fed-2015\r\nI run all major & current browsers.  All report the same error.\r\n\r\n7. Link to octoprint.log on gist.github.com or pastebin.com\r\n   (ALWAYS INCLUDE AND DO NOT TRUNCATE):\r\nhttps://gist.github.com/Chiliyago/5a3601c098756329ed09\r\n\r\n\r\n\r\n8. Link to contents of terminal tab or serial.log on \r\n   gist.github.com or pastebin.com (if applicable - always \r\n   include if unsure or reporting communication issues AND\r\n   DO NOT TRUNCATE):\r\n\r\nThe serial.log is empty\r\n\r\nThis is in the terminal windows.\r\nChanging monitoring state from 'Offline' to 'Opening serial port'\r\nConnecting to: None\r\nUnexpected error while connecting to serial port: None OSError: '[Errno 2] No such file or directory: 'None'' @ comm.py:_openSerial:943\r\nChanging monitoring state from 'Opening serial port' to 'Error: Failed to open serial port, permissions correct?'\r\n\r\n\r\n9. Link to contents of Javascript console in the browser \r\n   on gist.github.com or pastebin.com or alternatively a\r\n   screenshot (if applicable - always include if unsure\r\n   or reporting UI issues):\r\n\r\nI am not sure what this means.\r\n\r\n10. Screenshot(s) showing the problem (if applicable - always\r\n    include if unsure or reporting UI issues):\r\n\r\nScreenshot Here: http://1drv.ms/1N60QlY\r\n\r\nI have read the FAQ."},"comment":{"url":"https://api.github.com/repos/foosel/OctoPrint/issues/comments/183821596","html_url":"https://github.com/foosel/OctoPrint/issues/940#issuecomment-183821596","issue_url":"https://api.github.com/repos/foosel/OctoPrint/issues/940","id":183821596,"user":{"login":"kentmartin99","id":3871513,"avatar_url":"https://avatars.githubusercontent.com/u/3871513?v=3","gravatar_id":"","url":"https://api.github.com/users/kentmartin99","html_url":"https://github.com/kentmartin99","followers_url":"https://api.github.com/users/kentmartin99/followers","following_url":"https://api.github.com/users/kentmartin99/following{/other_user}","gists_url":"https://api.github.com/users/kentmartin99/gists{/gist_id}","starred_url":"https://api.github.com/users/kentmartin99/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kentmartin99/subscriptions","organizations_url":"https://api.github.com/users/kentmartin99/orgs","repos_url":"https://api.github.com/users/kentmartin99/repos","events_url":"https://api.github.com/users/kentmartin99/events{/privacy}","received_events_url":"https://api.github.com/users/kentmartin99/received_events","type":"User","site_admin":false},"created_at":"2016-02-14T04:58:18Z","updated_at":"2016-02-14T04:58:18Z","body":"Hi,\r\nI am having similar issues with octoprint (v1.2.2). I am running on a raspberry pi with a Printrboard as the 3D printer controller. \r\nI get error \"Error: Failed to autodetect serial port, please set it manually.\" \r\nI tried auto and manually setting baud rates, but nothing worked.\r\n\r\nThe octoprint terminal shows \r\n\"Changing monitoring state from 'Offline' to 'Detecting serial port'\r\nSerial port list: ['/dev/ttyACM0']\r\nConnecting to: /dev/ttyACM0\r\nError while connecting to /dev/ttyACM0: 'Timeout'\r\nChanging monitoring state from 'Detecting serial port' to 'Error: Failed to autodetect serial port, please set it manually.'\r\nFailed to autodetect serial port, please set it manually.\"\r\n\r\nWhen plugging printer into usb port i get this from dmesg:\r\n\"[  135.416076] cdc_acm 1-1.3:1.0: ttyACM0: USB ACM device\r\n[  941.313221] usb 1-1.3: USB disconnect, device number 6\r\n[  946.153793] usb 1-1.3: new full-speed USB device number 7 using dwc_otg\r\n[  946.267227] usb 1-1.3: New USB device found, idVendor=16c0, idProduct=0483\r\n[  946.267268] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3\r\n[  946.267288] usb 1-1.3: Product: USB Serial\r\n[  946.267309] usb 1-1.3: Manufacturer: Teensyduino\r\n[  946.267326] usb 1-1.3: SerialNumber: 12345\r\n[  946.275985] cdc_acm 1-1.3:1.0: This device cannot do calls on its own. It is not a modem.\r\n[  946.276129] cdc_acm 1-1.3:1.0: ttyACM0: USB ACM device\"\r\n\r\nI didn't upgrade to v1.2.9 because it killled it when I tried last time.\r\n\r\nWhat should I do next?\r\nThanks."}}