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unRAID 6.8.3 - Isolated CPU Core (HT) in use with stopped VM


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Posted (edited)

Hi,

 

Looking at setting up a simple Windows 10 VM and wanting to allocate dedicated cores to the system for better performance. 

I've isolated the cores that I want the VM to use in CPU Pinning under CPU Isolation and done the restart as advised.

 

chrome_1kZBKZS7mo.thumb.png.0e2b59edeff865102facafc0c46e0097.pngimageproxy.php?img=&key=e5eec7c5c933ca16

 

However, unRAID is still using these isolated cores when it shouldn't be touching them at all.

 

chrome_XAyLJqhZk01.thumb.png.3378304432858e585a097cbbb8c9c2bd.png

 

In fact, there's one HT that is being hammered at 100% pretty much most of the time even when the VM is no started. 

 

Looking at this a little closer, I've narrowed the culprit down to Emby. When this is powered on and in use by someone, the core will spike.

If I stop the docker, then I see no usage on these core at all. 

 

I've attached a diagnostic report. I'm not sure what I should be doing to diagnose the issue further. 

 

Any advice would be most welcomed. 

 

Thanks. 

 

unraid-diagnostics-20200531-2130.zip

Edited by AliasGenis

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