• [6.9.2] - CPU usage stuck at 100% (2 core/thread)


    tjb_altf4
    • Minor

    Issue as reported in 6.9.0-rc1 + rc2 persists

     

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    Strangely after a couple of reboots, I've seen an improvement, after initially not seeing a change.

    Now only 1 cpu locked on 100%

     

    image.png.e1e2957049cb0409477e3abab32bf1c5.png

     

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    Something I noticed, when I temporarily lost some driver plugins.

    When I have iSCSI/Nvidia/Mellanox/DVB plugins (and associated drivers) installed, I only have 1 CPU @ 100%... as soon as they are uninstalled I have 2 CPUs @ 100%

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    i'm experiencing this as well, since i'm running a ryzen i made sure to add the lines to the go file, and i did try a couple things suggested about finding the interrupt that has high usage, but none showed up. Also tried setting the "CPU Scaling Governor" to On demand, haven't tried performance yet, but so far nothing seems to help. it's making reboots/shutdowns difficult as it seems to hang on properly shutting down the array.

     

    i've attached my diag file in case it has something that might help

    titan-fs-diagnostics-20210505-1516.zip

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    8 minutes ago, SyberWraith said:

    i'm experiencing this as well, since i'm running a ryzen i made sure to add the lines to the go file, and i did try a couple things suggested about finding the interrupt that has high usage, but none showed up. Also tried setting the "CPU Scaling Governor" to On demand, haven't tried performance yet, but so far nothing seems to help. it's making reboots/shutdowns difficult as it seems to hang on properly shutting down the array.

     

    i've attached my diag file in case it has something that might help

    titan-fs-diagnostics-20210505-1516.zip 137.71 kB · 0 downloads

    Do you still see the 100% usage when the array is stopped?

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    Yes, i can't remember why i had the array on stop (was doing something) and had to reboot, made sure i set the array to not start automatically, and when that happened i noticed i had 2 cores at 100%, currently it's  at 1 core, and if i do reboot, it chooses a different core on reboot.

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