{"action":"created","issue":{"url":"https://api.github.com/repos/LinuxCNC/linuxcnc/issues/412","repository_url":"https://api.github.com/repos/LinuxCNC/linuxcnc","labels_url":"https://api.github.com/repos/LinuxCNC/linuxcnc/issues/412/labels{/name}","comments_url":"https://api.github.com/repos/LinuxCNC/linuxcnc/issues/412/comments","events_url":"https://api.github.com/repos/LinuxCNC/linuxcnc/issues/412/events","html_url":"https://github.com/LinuxCNC/linuxcnc/issues/412","id":301218000,"number":412,"title":"sserial race bug","user":{"login":"pcw-mesa","id":21147009,"avatar_url":"https://avatars1.githubusercontent.com/u/21147009?v=4","gravatar_id":"","url":"https://api.github.com/users/pcw-mesa","html_url":"https://github.com/pcw-mesa","followers_url":"https://api.github.com/users/pcw-mesa/followers","following_url":"https://api.github.com/users/pcw-mesa/following{/other_user}","gists_url":"https://api.github.com/users/pcw-mesa/gists{/gist_id}","starred_url":"https://api.github.com/users/pcw-mesa/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pcw-mesa/subscriptions","organizations_url":"https://api.github.com/users/pcw-mesa/orgs","repos_url":"https://api.github.com/users/pcw-mesa/repos","events_url":"https://api.github.com/users/pcw-mesa/events{/privacy}","received_events_url":"https://api.github.com/users/pcw-mesa/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"andypugh","id":1010653,"avatar_url":"https://avatars1.githubusercontent.com/u/1010653?v=4","gravatar_id":"","url":"https://api.github.com/users/andypugh","html_url":"https://github.com/andypugh","followers_url":"https://api.github.com/users/andypugh/followers","following_url":"https://api.github.com/users/andypugh/following{/other_user}","gists_url":"https://api.github.com/users/andypugh/gists{/gist_id}","starred_url":"https://api.github.com/users/andypugh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andypugh/subscriptions","organizations_url":"https://api.github.com/users/andypugh/orgs","repos_url":"https://api.github.com/users/andypugh/repos","events_url":"https://api.github.com/users/andypugh/events{/privacy}","received_events_url":"https://api.github.com/users/andypugh/received_events","type":"User","site_admin":false},"assignees":[{"login":"andypugh","id":1010653,"avatar_url":"https://avatars1.githubusercontent.com/u/1010653?v=4","gravatar_id":"","url":"https://api.github.com/users/andypugh","html_url":"https://github.com/andypugh","followers_url":"https://api.github.com/users/andypugh/followers","following_url":"https://api.github.com/users/andypugh/following{/other_user}","gists_url":"https://api.github.com/users/andypugh/gists{/gist_id}","starred_url":"https://api.github.com/users/andypugh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andypugh/subscriptions","organizations_url":"https://api.github.com/users/andypugh/orgs","repos_url":"https://api.github.com/users/andypugh/repos","events_url":"https://api.github.com/users/andypugh/events{/privacy}","received_events_url":"https://api.github.com/users/andypugh/received_events","type":"User","site_admin":false}],"milestone":null,"comments":13,"created_at":"2018-02-28T23:04:18Z","updated_at":"2018-03-29T19:14:23Z","closed_at":null,"author_association":"NONE","body":"\r\n## Here are the steps I follow to reproduce the issue:\r\n\r\n 1. Run LinuxCNC on a Ethernet  FPGA card with a sserial remote\r\n 2. Dump packets\r\n 3. Packets show that on the write function the sserial DoIt command is written \r\n     before all data registers have been written.\r\n\r\n## This is what I expected to happen:\r\nDoIt issued after all sserial user data is written\r\n## This is what happened instead:\r\nDoIt issued before all data registers are written \r\n## It worked properly before this:\r\nNot sure, problem exists in 2.7 and 2.8, and may exist in PCI /EPP drivers as well\r\n\r\n "},"comment":{"url":"https://api.github.com/repos/LinuxCNC/linuxcnc/issues/comments/377342362","html_url":"https://github.com/LinuxCNC/linuxcnc/issues/412#issuecomment-377342362","issue_url":"https://api.github.com/repos/LinuxCNC/linuxcnc/issues/412","id":377342362,"user":{"login":"andypugh","id":1010653,"avatar_url":"https://avatars1.githubusercontent.com/u/1010653?v=4","gravatar_id":"","url":"https://api.github.com/users/andypugh","html_url":"https://github.com/andypugh","followers_url":"https://api.github.com/users/andypugh/followers","following_url":"https://api.github.com/users/andypugh/following{/other_user}","gists_url":"https://api.github.com/users/andypugh/gists{/gist_id}","starred_url":"https://api.github.com/users/andypugh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andypugh/subscriptions","organizations_url":"https://api.github.com/users/andypugh/orgs","repos_url":"https://api.github.com/users/andypugh/repos","events_url":"https://api.github.com/users/andypugh/events{/privacy}","received_events_url":"https://api.github.com/users/andypugh/received_events","type":"User","site_admin":false},"created_at":"2018-03-29T19:14:22Z","updated_at":"2018-03-29T19:14:22Z","author_association":"COLLABORATOR","body":"The debug log isn't adding much info. \r\nIt seems that the DoIt fault isn't causing the system to stop, what is causing the problem is a comms error. \r\nIt might be interesting to mask that fault (set the dec > inc in the sserial params. See fault-inc, fault-dec and fault-lim here: http://linuxcnc.org/docs/2.7/html/man/man9/sserial.9.html\r\nI am not suggesting this as a solution, just wondering how bad the problem is."}}
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