{"action":"created","issue":{"url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/10740","repository_url":"https://api.github.com/repos/MarlinFirmware/Marlin","labels_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/10740/labels{/name}","comments_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/10740/comments","events_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/10740/events","html_url":"https://github.com/MarlinFirmware/Marlin/issues/10740","id":322716885,"node_id":"MDU6SXNzdWUzMjI3MTY4ODU=","number":10740,"title":"Issue with print slow down/freezing","user":{"login":"AxMod3DPrint","id":17107870,"node_id":"MDQ6VXNlcjE3MTA3ODcw","avatar_url":"https://avatars0.githubusercontent.com/u/17107870?v=4","gravatar_id":"","url":"https://api.github.com/users/AxMod3DPrint","html_url":"https://github.com/AxMod3DPrint","followers_url":"https://api.github.com/users/AxMod3DPrint/followers","following_url":"https://api.github.com/users/AxMod3DPrint/following{/other_user}","gists_url":"https://api.github.com/users/AxMod3DPrint/gists{/gist_id}","starred_url":"https://api.github.com/users/AxMod3DPrint/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AxMod3DPrint/subscriptions","organizations_url":"https://api.github.com/users/AxMod3DPrint/orgs","repos_url":"https://api.github.com/users/AxMod3DPrint/repos","events_url":"https://api.github.com/users/AxMod3DPrint/events{/privacy}","received_events_url":"https://api.github.com/users/AxMod3DPrint/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":11,"created_at":"2018-05-14T08:25:14Z","updated_at":"2018-06-01T07:01:36Z","closed_at":"2018-05-16T08:59:15Z","author_association":"NONE","body":"### Description\r\n\r\nWhen printing the printer will slow down or come to a almost standstill and show processing.. in the console, this generally happens after the extruder is Zeroed out with G92E0 in the GCode.  Marlin 1.1.8. Freshly downloaded and configured firmware. (Configs linked via pastebin below). It also seems to not happen after a ZHop. The severity varies from a small judder after a travel move to a complete stop. The firmware seems to be calculating something, I'm just not sure what and it's taking up all the processor time.\r\n\r\nPrinter is Running a RAMPS 1.4/Arduino stack.\r\n\r\n### Diagnostic steps taken\r\n\r\n* Changed out Arduino to known good - no change\r\n* Upped buffer values in Configuration_adv to check if buffer on Arduino is having issues  (changes reverted) - no change \r\n* Printed from both USB and SD Card to check if it is only happening on USB - no change\r\n* Reflashed firmware from multiple machines using different USB Cables - no change\r\n* Downloaded fresh firmware and reconfigured - no change\r\n\r\n### Steps to Reproduce\r\n\r\nNot quite sure how to reproduce, as it's been like this since first re-configuration. \r\n\r\n**Expected behavior:** Smooth printing with no stops or slow downs\r\n\r\n**Actual behavior:** Printer slows down/judders/stops completely after a G92E0, and shows processing in the console. This does not happen when a Z Hop is involved. \r\n\r\n#### Additional Information\r\n\r\n[Configuration.h](https://pastebin.com/evSL7bR1)\r\n[Configuration_adv.h](https://pastebin.com/9wCcphEW)\r\n\r\n* Include a ZIP file containing your `Configuration.h` and `Configuration_adv.h` files.\r\n* Provide pictures or links to videos that clearly demonstrate the issue.\r\n* See [How Can I Contribute](https://github.com/MarlinFirmware/Marlin/blob/1.1.x/.github/contributing.md#how-can-i-contribute) for additional guidelines.\r\n"},"comment":{"url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/comments/393782956","html_url":"https://github.com/MarlinFirmware/Marlin/issues/10740#issuecomment-393782956","issue_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/10740","id":393782956,"node_id":"MDEyOklzc3VlQ29tbWVudDM5Mzc4Mjk1Ng==","user":{"login":"thinkyhead","id":698003,"node_id":"MDQ6VXNlcjY5ODAwMw==","avatar_url":"https://avatars2.githubusercontent.com/u/698003?v=4","gravatar_id":"","url":"https://api.github.com/users/thinkyhead","html_url":"https://github.com/thinkyhead","followers_url":"https://api.github.com/users/thinkyhead/followers","following_url":"https://api.github.com/users/thinkyhead/following{/other_user}","gists_url":"https://api.github.com/users/thinkyhead/gists{/gist_id}","starred_url":"https://api.github.com/users/thinkyhead/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/thinkyhead/subscriptions","organizations_url":"https://api.github.com/users/thinkyhead/orgs","repos_url":"https://api.github.com/users/thinkyhead/repos","events_url":"https://api.github.com/users/thinkyhead/events{/privacy}","received_events_url":"https://api.github.com/users/thinkyhead/received_events","type":"User","site_admin":false},"created_at":"2018-06-01T07:01:36Z","updated_at":"2018-06-01T07:01:36Z","author_association":"MEMBER","body":"We're continuing to refine the planner. Give the bugfix branches another test in a day or two and see if they've improved any, even with S3D.\r\n\r\nAnd if you do find any options in S3D that provide a workaround, we'll definitely want to know more. Sometimes it's the slicer trying to be \"too clever\" by overriding the jerk and acceleration in the firmware, or otherwise conflicting with the firmware configuration, but sometimes it points to an edge case that we can fix."}}
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