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[6.9.0 beta 22] Windows 10 VM in BSOD Loop - Possible Fix

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Currently running Ryzen 3600 Zen 2 CPU. Upgraded to latest 6.9.0 beta version. When attempting to open a Windows 10 VM, I get an immediate BSOD with KERNEL_SECURITY_CHECK_FAILURE error. Windows tries to fix the error and continuously loops into the same BSOD. After doing some research, it seems that QEMU 5 / kernel above 5.4 does not work well with Zen 2 CPU. 

 

In order to bypass this, I had to edit the XML. I changed the cpu mode from host-passthrough to host-model. I also had to change cache mode from passthrough to disable. After I saved my changes, unRaid ended up making some changes to the XML, where the cpu mode then changed to custom. Everything seems to be working now, but I don't know if the changes I made will cause issues down the road. I just wanted to throw out a fix that seems to allow me to keep running Windows 10.

 

If anyone is familiar with LibVirt and cpu/cache modes, could you tell me if doing this will cause any issues?

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