February 3, 20224 yr I have a Windows 10 guest up and running just fine. I want to add a Debian guest. It works OK with VNC graphics but as soon as I attach a GPU, Sound or USB devices it pins at 100% usage and does not boot. I feel like I am overlooking something simple here, or I have broken something in order to make the Windows 10 VM work that then in turn does not work with other VM's. Can someone help direct me to where I should be looking to resolve this? Thank you. tower.lan-diagnostics-20220202-2132.zip
February 5, 20224 yr Author Small update, but not fixed. It's the sound chipset I believe as I was able to get the gpu passed through. [8086:a170] 00:1f.3 Audio device: Intel Corporation 100 Series/C230 Series Chipset Family HD Audio Controller (rev 31) is in an iommu group with a few other devices, including a smbus and this appears to be the root cause.
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