pmeth Posted May 8, 2020 Posted May 8, 2020 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. Quote
JorgeB Posted May 8, 2020 Posted May 8, 2020 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. Quote
pmeth Posted May 8, 2020 Author Posted May 8, 2020 I updated to 6.8.3 and still have the same issue. Here are the new diags. tower-diagnostics-20200508-1259.zip Quote
JonMikelV Posted May 11, 2020 Posted May 11, 2020 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. Quote
pmeth Posted May 13, 2020 Author Posted May 13, 2020 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. Quote
JonMikelV Posted May 13, 2020 Posted May 13, 2020 @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? Quote
pmeth Posted May 15, 2020 Author Posted May 15, 2020 @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. Quote
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