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[6.12.0/6.12.1/6.12.2] - DOCKER - Dockers can't start (after 3-4 days running)

  • Solved
  • Urgent

Hi, I would like to report a Bug with the Official 6.12.0 / 6.12.1 version.

 

SInce the 6.12.x beta + rc, it seems that there is some kind of memory leak or similar, that make Docker not working properly until a full Reboot occurs.   The issue can be reproduce easily :

 

1. Boot Unraid 6.12

2. Start all your dockers 

3. Wait (randomly 3-4-5 days, never same amount of time)

4. Update a docker, and it will not be able to start, throwing a "Execution Error" / "Server Error".

 

Once you start getting this error, you won't be able to restart ANY dockers you have running (it will throw the same error).

You can't even disable Docker, then Re-enable Docker, it just fail.   

A full server reboot will fix it for 3-4-5 more days, then it will come back.

 

Another observation, I'm running "homepage" docker, and it sees the "health" of "PlexMediaServer" docker.  When the bug isn't triggered yet (during the first days after a reboot), it reports the health of PlexMediaServer to be "healthy", but once the bug is happening, even without restarting a docker, the homepage docker report "Unhealthy" for Plex.  At that point, I know I need to reboot.  I confirmed by trying restarting any docker, and got the "Execution Error" every single time that the Plex is shown as "unhealthy".

 

Hopefully, this bug report will get some traction.  If you haven't seen it yet, I suppose it's a question of days before it happens.

 

I see that i'm not alone with this bug (see :  https://forums.unraid.net/topic/140301-unraid-612-rc7-docker-stops-after-update/#comment-1274038 )

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