macOS update lead to fans always on with low CPU load

Discussion in 'Linux Virtual Machine' started by Mirko H., Feb 5, 2022.

  1. Mirko H.

    Mirko H. Bit poster

    Messages:
    2
    Hi everyone,

    I am running a Ubuntu 18.04.6 LTS in a Parallels 17.1.1 on macOS 11.6.3 on an Intel MacBook Pro 16" 8 Core i9 64 GB RAM.

    Everything worked like a charme, when I was on macOS 11.6.2. After upgrading to macOS 11.6.3 the following very nasty effect occured:

    The fans of the MacBook constantly run 100% (very load, my claim "100%" is measured with iStatmenus) even though my CPU load is very low: macOS shows Ubuntu with 2.9% and overall system is below 20% of CPU load .

    Originally, I was using Parallels 16.x on macOS 11.6.2 and when I updated to 11.6.3 the problem arose. My first step was to update Parallels to 17.1.1, but the problem persisted.

    Any ideas what I can do to bring my fans "back to normal"?
     

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