May 8, 20206 yr 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.
May 8, 20206 yr Any particular reason you're running 6.8.0-rc1? Update to latest stable and see if it makes a difference, if not post new diags.
May 8, 20206 yr Author I updated to 6.8.3 and still have the same issue. Here are the new diags. tower-diagnostics-20200508-1259.zip
May 11, 20206 yr I'm no good at reading the diagnostics, but does the issue go away if you allocate specific CPUs to specific VMs? I've run into similar issues VM crashing issues if I run multiple VMs where the sum of the allocated memory is too close to actual system memory.
May 13, 20206 yr Author 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.
May 13, 20206 yr @pmeth, intuerrupts is a good thought - are you passing through any hardware (even USB ports) that might be getting grabbed by the first machine then appear unavaiable to the second?
May 15, 20206 yr Author @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.
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