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HeNotSatisfied

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    CPU 100% Bug - Dockers and VMs lag

    in General Support

    Posted

    The problem I found was that as soon as the screen is not connected, dimmed or turned off, this behavior occurs. To fix this, I connected an HDMI dummy to the server (LINK). Then the screen power saving settings need to be disabled. This results in a higher power consumption of approx. 0.5~1.5 W for me.
    The only way I have found to disable it, which also preserves all hardware functions, is to customize the "GO" file under: 

    /boot/config/go

    [usb-drive/config/go].


    here the first command under #!/bin/bash must be the command /bin/setterm -blank 0 -powersave off -powerdown 0. The file then looks like this for me:

      

    #!/bin/bash
#fix kworker bug - keep display active
/bin/setterm -blank 0 -powersave off -powerdown 0
# Start the Management Utility
/usr/local/sbin/emhttp &

    the system must then be restarted.


    adjusting the go file alone does not solve the problem, it requires an HDMI dummy or monitor.
    normally the file "/etc/rc.d/rc.setterm" must be adjusted in Linux Slackware. The lines are already preconfigured and only need to be commented in. See Slackware docs [LINK].

    Since unraid creates the /etc/ directory at every start and loads it into RAM, these settings are lost after every restart. 

    you can have the file replaced at every start. but i didn't want to do that and i think it's easier to just write the command in the go-file.

    go

    • Like 1

    CPU 100% Bug - Dockers and VMs lag

    in General Support

    Posted

    hey guys, 
    since I'm getting desperate I decided to write a post in the hope that some of you have a few more ideas. 
    Here's the problem:
    About every 25 seconds a CPU core goes to 100% for about 5 seconds.
    "top" gives me the information that the "kworker" process is very active during this time. I have already tried all the possible fixes I found in the forum and reddit, rebuilt the whole system several times, tried different hard disks, motherboards and SAS HBAs. There are no plugins, VMs or Docker installed. 
    Once again, I really hope you guys can help me.
    The following components are installed. 

     

    CPU: Intel i5 10500
    Motherboard: ASRock H510M-HVS R2.0
    RAM: 32 GB DDR4 (2x 16 GB Corsair CMK32GX4M2A2666C16)
    PSU: Corsair RM550x (2021)
    SAS HBA: Dell PERC H310
     

     

    hsrv01-diagnostics-20240120-1923.zip

    6.12.4 System Hard Locks Often

    in General Support

    Posted · Edited by HeNotSatisfied
    new information

    I have the same issues with my server and an "ASRock H510M-HVS R2.0" (Intel). Hard locks every couple of days.
    I will try the Power Supply Idle Control if this finally solves my issue, you are my hero!

     

    Edit:
    Power Supply Idle Control must be something only for AMD.
    I turned off all C-States (sad german noices) lets see if it helps.

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