Really poor performance in games in Ubuntu-Mate VM


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Hey everyone,

I have been using unraid for a month or so now and I absolutely love it, however I do have one nagging issue. 

I am getting REALLY poor performance in games on a Linux guest system with Ubuntu-Mate 18.04.1.

I have no idea why, my Windows VM on the same machine performs flawlessly.

 

Specs are as follows:

Dell Precision T5500 with dual Xeon X5680 CPUs

36 GB DDR3 ECC Memory

EVGA Nvidia GeForce GTX 970

 

The video card works and is properly set up with correct drivers, ect.

I have tried damn near everything I can think of to get better performance, including switching between Q35 and i440FX, enabling/disabling hyperthreading, changing the number of CPU cores for the VM, and I have tried various versions of the Nvidia driver as well.

 

As far as I can tell, performance in games is about half of what it should be.  I am getting 30 FPS in games like GRID: Autosport.  A game which I know for a fact ran at 60 FPS (or more) when I was running it on bare metal.

 

If anyone has any idea what I can do, please let me know.

 

Thank you

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