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IOMMU Group Disappeared

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I see the below in logs 

kernel: pci 0000:00:02.0: Removing from iommu group 2

 

Group 2 is not showing under system devices and I am not sure why this is happening.  I am not sure where to look next or what to do. After a system reboot if I immediately go to system devices its there but shortly after it disappears.  

 

Something to note is this all happened after I installed Intel GVT-g app. Now removing it etc. makes no difference. 

same error ,

when i shutdown my windows10 vm (passthrough nvidia) , show me this error :''unraid kernel: pci 0000:00:02.0: Removing from iommu group 2''

and unraid can not find intel gpu anymore!

  • Author

I deleted the VM that had this iGPU passed through to it originally.  Rebooted the server and now everything look good

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