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xaposi

← DisplayLink Support

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  1. Ubuntu drivers eating a lot of CPU. Not always but at least 50% of the times

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    90 comments  ·  DisplayLink Feature Suggestions  ·  Admin →
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    xaposi commented  · 

    ```
    top - 16:00:06 up 13 days, 2:56, 1 user, load average: 1,76, 2,83, 2,83
    Tasks: 549 total, 1 running, 548 sleeping, 0 stopped, 0 zombie
    %Cpu(s): 4,2 us, 4,0 sy, 0,0 ni, 91,4 id, 0,1 wa, 0,0 hi, 0,2 si, 0,0 st
    MiB Mem : 63983,1 total, 23552,9 free, 8844,0 used, 31586,1 buff/cache
    MiB Swap: 2048,0 total, 2048,0 free, 0,0 used. 50714,1 avail Mem

    PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    1237944 root 20 0 3965952 209700 12008 S 258,8 0,3 86:09.16 DisplayLinkMana
    1305808 systemd+ 20 0 84520 8516 7624 S 14,0 0,0 0:01.81 http
    ```
    ```
    ➜ ~ dpkg --status displaylink-driver
    Package: displaylink-driver
    Status: install ok installed
    Priority: optional
    Section: video
    Maintainer: Synaptics Technical Support <technical-enquiries@synaptics.com>
    Architecture: amd64
    Source: displaylink-driver
    Version: 5.7.0-129
    ```

    Genuinely ridiculous, luckily my employer provided me with a very beefy machine (62gb RAM, 20 cores, NVIDIA RTX A2000 etc.) but I can see why this would destroy machines with fewer resources

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