{"action":"closed","issue":{"url":"https://api.github.com/repos/PX4/Firmware/issues/7910","repository_url":"https://api.github.com/repos/PX4/Firmware","labels_url":"https://api.github.com/repos/PX4/Firmware/issues/7910/labels{/name}","comments_url":"https://api.github.com/repos/PX4/Firmware/issues/7910/comments","events_url":"https://api.github.com/repos/PX4/Firmware/issues/7910/events","html_url":"https://github.com/PX4/Firmware/issues/7910","id":255030844,"number":7910,"title":"data link loss failsafe do not work in take off state","user":{"login":"jianyang1","id":30023254,"avatar_url":"https://avatars3.githubusercontent.com/u/30023254?v=4","gravatar_id":"","url":"https://api.github.com/users/jianyang1","html_url":"https://github.com/jianyang1","followers_url":"https://api.github.com/users/jianyang1/followers","following_url":"https://api.github.com/users/jianyang1/following{/other_user}","gists_url":"https://api.github.com/users/jianyang1/gists{/gist_id}","starred_url":"https://api.github.com/users/jianyang1/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jianyang1/subscriptions","organizations_url":"https://api.github.com/users/jianyang1/orgs","repos_url":"https://api.github.com/users/jianyang1/repos","events_url":"https://api.github.com/users/jianyang1/events{/privacy}","received_events_url":"https://api.github.com/users/jianyang1/received_events","type":"User","site_admin":false},"labels":[{"id":10884838,"url":"https://api.github.com/repos/PX4/Firmware/labels/bug","name":"bug","color":"fc2929","default":true},{"id":807897275,"url":"https://api.github.com/repos/PX4/Firmware/labels/status/STALE","name":"status/STALE","color":"ededed","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2017-09-04T12:41:37Z","updated_at":"2018-02-21T13:02:43Z","closed_at":"2018-02-21T13:02:43Z","author_association":"NONE","body":"\r\nData link failsafe action is set to RTL but its not executed in takeoff state.\r\nthat might potentially cause a dangerous situation of completely uncontrolled drone when using no RC at all.\r\n\r\ncan be produce in Gazebo using master. QGC 3.2.4 ,without joystic.\r\n\r\n1. command Take Off\r\n2. Drone climb to MIS_TAKEOFF_ALT\r\n3. shut down QGC\r\n4. after COM_DL_LOSS_T  \"all data links lost\"  message  is sent\r\n5. bug here-  the drone keep loitering infinitely without any control\r\n\r\nhttps://logs.px4.io/plot_app?log=80935714-f8a4-45b9-8881-bfef1a3225f6\r\n\r\n\r\nregardless, i think drones flight mode should be changed automatically to Hold after it's reached takeoff alt, as well as when finishing mission for example"}}
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