{"action":"opened","issue":{"url":"https://api.github.com/repos/raspberrypi/linux/issues/2680","repository_url":"https://api.github.com/repos/raspberrypi/linux","labels_url":"https://api.github.com/repos/raspberrypi/linux/issues/2680/labels{/name}","comments_url":"https://api.github.com/repos/raspberrypi/linux/issues/2680/comments","events_url":"https://api.github.com/repos/raspberrypi/linux/issues/2680/events","html_url":"https://github.com/raspberrypi/linux/issues/2680","id":359609339,"node_id":"MDU6SXNzdWUzNTk2MDkzMzk=","number":2680,"title":"cma_alloc: alloc failed","user":{"login":"cbxbiker61","id":348269,"node_id":"MDQ6VXNlcjM0ODI2OQ==","avatar_url":"https://avatars0.githubusercontent.com/u/348269?v=4","gravatar_id":"","url":"https://api.github.com/users/cbxbiker61","html_url":"https://github.com/cbxbiker61","followers_url":"https://api.github.com/users/cbxbiker61/followers","following_url":"https://api.github.com/users/cbxbiker61/following{/other_user}","gists_url":"https://api.github.com/users/cbxbiker61/gists{/gist_id}","starred_url":"https://api.github.com/users/cbxbiker61/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cbxbiker61/subscriptions","organizations_url":"https://api.github.com/users/cbxbiker61/orgs","repos_url":"https://api.github.com/users/cbxbiker61/repos","events_url":"https://api.github.com/users/cbxbiker61/events{/privacy}","received_events_url":"https://api.github.com/users/cbxbiker61/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-09-12T18:56:20Z","updated_at":"2018-09-12T18:56:20Z","closed_at":null,"author_association":"CONTRIBUTOR","body":" cma: cma_alloc: alloc failed, req-size: 1 pages, ret: -16\r\n\r\nThis problem started occurring in the raspberry pi kernels in approximately the 4.14.62+ time frame.  It consistently occur on current 4.14.6x and 4.18.x pi kernels after varying intervals.  It makes Kodi hang and also makes streaming from my OctoPrint boxes with pi-cams attached fail.\r\n\r\nAfter looking back at the commits that had take place at that timeframe this commit jumped out:\r\n00f0e834c44c492555e43fdaf9c112ed269db01f\r\n  Revert \"mm: alloc_contig: re-allow CMA to compact FS pages\"\r\n\r\nI re-implemented this patch and the problem is gone:\r\n\r\nhttps://github.com/raspberrypi/linux/commit/424f6c4818bbf1b8ccf58aa012ecc19c0bb9b446\r\n  mm: alloc_contig: re-allow CMA to compact FS pages \r\n\r\n"}}
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