{"action":"created","issue":{"url":"https://api.github.com/repos/lxc/lxc/issues/1213","repository_url":"https://api.github.com/repos/lxc/lxc","labels_url":"https://api.github.com/repos/lxc/lxc/issues/1213/labels{/name}","comments_url":"https://api.github.com/repos/lxc/lxc/issues/1213/comments","events_url":"https://api.github.com/repos/lxc/lxc/issues/1213/events","html_url":"https://github.com/lxc/lxc/issues/1213","id":179649602,"number":1213,"title":"lxc-checkpoint fails in ubuntu ","user":{"login":"dinuni","id":11479893,"avatar_url":"https://avatars.githubusercontent.com/u/11479893?v=3","gravatar_id":"","url":"https://api.github.com/users/dinuni","html_url":"https://github.com/dinuni","followers_url":"https://api.github.com/users/dinuni/followers","following_url":"https://api.github.com/users/dinuni/following{/other_user}","gists_url":"https://api.github.com/users/dinuni/gists{/gist_id}","starred_url":"https://api.github.com/users/dinuni/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dinuni/subscriptions","organizations_url":"https://api.github.com/users/dinuni/orgs","repos_url":"https://api.github.com/users/dinuni/repos","events_url":"https://api.github.com/users/dinuni/events{/privacy}","received_events_url":"https://api.github.com/users/dinuni/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2016-09-28T00:17:02Z","updated_at":"2016-09-29T22:54:52Z","closed_at":null,"body":"My kernel  is  4.2.0-27-generic - Ubuntu 14.04.4 LTS.\r\n\r\nwhen I try to checkpoint , using the following command `sudo lxc-checkpoint -s -D /tmp/checkpoint -n u1`\r\nIm getting this error \r\n\r\n```\r\nWill skip in-flight TCP connections\r\nlxc-checkpoint: u1: criu.c: do_dump: 998 dump failed with 1\r\nCheckpointing u1 failed.\r\n```\r\n\r\ndump.log gives  the following error output \r\n\r\n`Error (criu/ptrace.c:64): suspending seccomp failed: Invalid argument\r\nError (criu/ptrace.c:54): Unable to detach from 14540: No such process\r\nError (criu/cr-dump.c:1628): Dumping FAILED.`\r\n\r\nWhen use `criu check` command it gives the output as \r\n`Looks good.`\r\n\r\n`ls -al /proc/self/ns`\r\ntotal 0\r\ndr-x--x--x 2 root root 0 Sep 28 15:12 .\r\ndr-xr-xr-x 9 root root 0 Sep 28 15:12 ..\r\nlrwxrwxrwx 1 root root 0 Sep 28 15:12 ipc -> ipc:[4026531839]\r\nlrwxrwxrwx 1 root root 0 Sep 28 15:12 mnt -> mnt:[4026531840]\r\nlrwxrwxrwx 1 root root 0 Sep 28 15:12 net -> net:[4026531957]\r\nlrwxrwxrwx 1 root root 0 Sep 28 15:12 pid -> pid:[4026531836]\r\nlrwxrwxrwx 1 root root 0 Sep 28 15:12 user -> user:[4026531837]\r\nlrwxrwxrwx 1 root root 0 Sep 28 15:12 uts -> uts:[4026531838]\r\n\r\n Do you have any idea how to fix this ?\r\nThanks"},"comment":{"url":"https://api.github.com/repos/lxc/lxc/issues/comments/250615344","html_url":"https://github.com/lxc/lxc/issues/1213#issuecomment-250615344","issue_url":"https://api.github.com/repos/lxc/lxc/issues/1213","id":250615344,"user":{"login":"dinuni","id":11479893,"avatar_url":"https://avatars.githubusercontent.com/u/11479893?v=3","gravatar_id":"","url":"https://api.github.com/users/dinuni","html_url":"https://github.com/dinuni","followers_url":"https://api.github.com/users/dinuni/followers","following_url":"https://api.github.com/users/dinuni/following{/other_user}","gists_url":"https://api.github.com/users/dinuni/gists{/gist_id}","starred_url":"https://api.github.com/users/dinuni/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dinuni/subscriptions","organizations_url":"https://api.github.com/users/dinuni/orgs","repos_url":"https://api.github.com/users/dinuni/repos","events_url":"https://api.github.com/users/dinuni/events{/privacy}","received_events_url":"https://api.github.com/users/dinuni/received_events","type":"User","site_admin":false},"created_at":"2016-09-29T22:54:52Z","updated_at":"2016-09-29T22:54:52Z","body":"My kernel is 4.4.2 - Ubuntu 14.04.4 LTS. \r\n\r\nWhen I re-install criu , `criu check` command returns the following error \r\nError (cr-check.c:833): cgroupns not supported. This is not fatal.\r\n\r\n`sudo lxc-checkpoint -s -D /tmp/checkpoint -n u1 -v `\r\n\r\n```\r\nlxc-checkpoint: criu.c: do_dump: 879 dump failed with 1\r\nCheckpointing u1 failed.\r\n\r\n```\r\nNow the error is same but the error line number is different. \r\nBefore re-installing criu , everything worked well. \r\nDo you have any idea how to fix this ?\r\nThanks"}}
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