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it started off from super sluggish behaviour on my Ubuntu 18.04 VB on Windows 10 Host. I updated and upgraded all of the packages. Updated Windows. Grepped for errors in syslog. And then I noticed that gnome-shell is spiking to 100% or more (not sure how that's possible) CPU usage on all CPUs from time to time. I stumbled upon this post. Which offers to do sudo ubuntu-drivers autoinstall, which when I do, I get the following:

enter image description here

Tried a fresh new install. Same problem (also conflicts for guest additions. Puring does not help. That error is still there). I have also noticed something interesting, which I believe is a by-product of this conflict. Upon running inxi -b:

enter image description here

Thanks

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  • How many CPU cores did you give to the VM? How many CPU cores are on your computer? How much RAM did you give the VM?
    – Thomas Ward
    Oct 11, 2018 at 16:59
  • I gave it 4. it's i7-7700HQ, so 4 cores. 10GB, laptop has 16 GB RAM
    – Naz
    Oct 11, 2018 at 17:05
  • 3d Acceleration is disabled
    – Naz
    Oct 11, 2018 at 17:05
  • I have same sluggish behaviour when I use cinnamon desktop on my ubuntu, or I simply make a fresh install of Ubuntu (still sluggish + still conflict of guest additions). Same problem if I install elementaryOS. It sounds like a problem with a host. But I can see that my graphics driver is working allright.
    – Naz
    Oct 11, 2018 at 17:10

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