pmeth

@JonMikelV yes. The machine has 2 graphics cards and 2 usb cards. each VM passes through a graphics card and a USB card, but they are not using the same ones. I have unsafe interrupts enabled in the syslinux configuration.

Thanks @JonMikelV. It doesn't seem to matter which CPUs I use. I don't think it is a memory issue because if the startup order is reversed, everything works fine. It seems like what is going on is an unsafe interrupt that is getting blocked, but really I have no idea.

I updated to 6.8.3 and still have the same issue. Here are the new diags. tower-diagnostics-20200508-1259.zip

tower-diagnostics-20200508-1307.zip

I have unraid version 6.8.0-rc1. I have 2 vm's running Windows 10. Let's call them A and B. Each vm has a dedicated video card and usb card. If I start A first then I start B, everything works fine. However if I start B first then start A, then A will not start. It locks the cpu at 100%. Can someone help me figure out what might be going wrong? I am fairly new to unraid.