{"action":"created","issue":{"url":"https://api.github.com/repos/gnubee-git/GnuBee_Docs/issues/54","repository_url":"https://api.github.com/repos/gnubee-git/GnuBee_Docs","labels_url":"https://api.github.com/repos/gnubee-git/GnuBee_Docs/issues/54/labels{/name}","comments_url":"https://api.github.com/repos/gnubee-git/GnuBee_Docs/issues/54/comments","events_url":"https://api.github.com/repos/gnubee-git/GnuBee_Docs/issues/54/events","html_url":"https://github.com/gnubee-git/GnuBee_Docs/issues/54","id":285944669,"node_id":"MDU6SXNzdWUyODU5NDQ2Njk=","number":54,"title":"Network failure","user":{"login":"Adirelle","id":24633,"node_id":"MDQ6VXNlcjI0NjMz","avatar_url":"https://avatars2.githubusercontent.com/u/24633?v=4","gravatar_id":"","url":"https://api.github.com/users/Adirelle","html_url":"https://github.com/Adirelle","followers_url":"https://api.github.com/users/Adirelle/followers","following_url":"https://api.github.com/users/Adirelle/following{/other_user}","gists_url":"https://api.github.com/users/Adirelle/gists{/gist_id}","starred_url":"https://api.github.com/users/Adirelle/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Adirelle/subscriptions","organizations_url":"https://api.github.com/users/Adirelle/orgs","repos_url":"https://api.github.com/users/Adirelle/repos","events_url":"https://api.github.com/users/Adirelle/events{/privacy}","received_events_url":"https://api.github.com/users/Adirelle/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":20,"created_at":"2018-01-04T10:44:15Z","updated_at":"2019-03-04T07:06:00Z","closed_at":null,"author_association":"NONE","body":"I have a strange behavior, that I cannot easily reproduce: basically, all the network sockets suddenly stops to work.\r\n\r\nI can still connect to the GnuBEE using the serial console and ping from or to it, but I cannot use any network services (SSH, NFS, mysql, transmission, ...) and it cannot access external services (DNS, ...). nmap still find open ports, but connecting to them times out. And sometimes I cannot even login anymore as root using the serial console. The logs does not give any clue about what is happening.\r\n\r\nI already tried the following things to no avail:\r\n* uninstall Samba (see #45),\r\n* restarting the network subsystem (using systemctl restart networking),\r\n* restarting the services,\r\n* unplugging and plugging the network cable.\r\n\r\nThe only solution is to reboot it.\r\n\r\nI am using Debian Stretch 9 and the following kernel (https://github.com/gnubee-git/gnubee-git.github.io/blob/master/debian/librecmc-ramips-mt7621-gb-pc1-squashfs-sysupgrade_2017-11-28.bin IIRC) : \r\n\r\n```\r\n$ cat /proc/version\r\nLinux version 4.4.87-gnu (dgazineu@gnubee.net) (gcc version 5.4.0 (LEDE GCC 5.4.0 r64-b029924) ) #0 SMP Wed Nov 22 13:06:13 2017\r\n```\r\n\r\nAny idea ?"},"comment":{"url":"https://api.github.com/repos/gnubee-git/GnuBee_Docs/issues/comments/469141554","html_url":"https://github.com/gnubee-git/GnuBee_Docs/issues/54#issuecomment-469141554","issue_url":"https://api.github.com/repos/gnubee-git/GnuBee_Docs/issues/54","id":469141554,"node_id":"MDEyOklzc3VlQ29tbWVudDQ2OTE0MTU1NA==","user":{"login":"Adirelle","id":24633,"node_id":"MDQ6VXNlcjI0NjMz","avatar_url":"https://avatars2.githubusercontent.com/u/24633?v=4","gravatar_id":"","url":"https://api.github.com/users/Adirelle","html_url":"https://github.com/Adirelle","followers_url":"https://api.github.com/users/Adirelle/followers","following_url":"https://api.github.com/users/Adirelle/following{/other_user}","gists_url":"https://api.github.com/users/Adirelle/gists{/gist_id}","starred_url":"https://api.github.com/users/Adirelle/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Adirelle/subscriptions","organizations_url":"https://api.github.com/users/Adirelle/orgs","repos_url":"https://api.github.com/users/Adirelle/repos","events_url":"https://api.github.com/users/Adirelle/events{/privacy}","received_events_url":"https://api.github.com/users/Adirelle/received_events","type":"User","site_admin":false},"created_at":"2019-03-04T07:06:00Z","updated_at":"2019-03-04T07:06:00Z","author_association":"NONE","body":"It still happens on 4.15.18+ yet less frequently.  Here are the dumps made just before rebooting:\r\n[dumps.zip](https://github.com/gnubee-git/GnuBee_Docs/files/2924643/dumps.zip)\r\n\r\nThey are generated by the following commands:\r\n\r\n```shell\r\ndate\r\nuptime\r\nvmstat 1 1\r\nnetstat -ieW\r\nnetstat -aopenW\r\nlsmod\r\nps -ef\r\ndmesg -c\r\necho t > /proc/sysrq-trigger\r\ndmesg\r\n```\r\n\r\nThey do no seem to contain anything interesting. No warning nor error messages."}}
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