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  • [6.12.2] Can no longer set memory limits

    TheEyeTGuy

    By TheEyeTGuy

      • Urgent

    Hello,

    It seems with the changes made when moving to cgroups-v2, docker is no longer able to set memory limits for containers, or control swap.

     

    Whenever I edit, update, or add a container with memory limits applied, the following warnings appear:

      

    WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
WARNING: Your kernel does not support memory swappiness capabilities or the cgroup is not mounted. Memory swappiness discarded.

     

    I understand swap has never been 'officially' supported, but it appears that its now completely broken for docker in 6.12.x (working prior in 6.11.5) as well as the memory control.

    Go to reports Stable Releases

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    thatonething

    Also seeing this issue in 6.12.2

    There is this post which is related.

    I'm also seeing issues with networking,

    Started Error response from daemon: failed to create shim task: OCI runtime create failed: runc create failed: unable to create new parent process: namespace path: lstat /proc/14548/ns/net: no such file or directory: unknown

    Edited by thatonething
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