Naiqus

I've only managed to pass one usb controller to a VM. My workaround is to buy a PCIe x1 USB controller and pass it to the other VM. HDMI audio works fine by the way.

Yeah, concerning what I've got I am totally lucky. Now I found a workaround which is to use "host_model" instead of "host_passthrough" in CPU config. Now the Linux VM is working fine and nothing weird happened yet. Hopefully the passthrough will work in the following unraid version with new kernels.

No. Only one audio controller found which is not able to be passed through.

Hi, I've got a ryzen build recently with two graphic cards. It works fine with Windows VMs. But when I migrate my Linux system to the build, it started to crash the whole system. When the Linux vm come back to idle from fully load state, it hang after a few seconds. At the same time the web interface was also down. The Linux VM could not be killed by virsh command. Following that, other VMs crashed too. The VM hosted is Linux Mint 18.1. I've tried with kernel 4.4.0, 4.8.0, and 4.10.1, all crashed in the same way with “rcu_preempt detected stalls on CPUs/task” error message. I though it may be the problem of CPU scaling in the guest OS, but it seems that with CPU host-passthrough mode, the CPU scaling function is disable already in guest OS. Further information: I used a single nvme SSD in the array without parity drive. With all VMs running, I left 4GB ram for Unraid. Memory test over night passed. No OC. CPU C6 mode disabled in BIOS. I am new to Unraid and qemu-kvm, any help will be appreciated. syslog_crash.txt tower-diagnostics-20170312-1125.zip

I've managed it, with a Gigabyte X370 Gaming 5 mainboard. IOMMU groupping issue is resolved by AC override. Everything works fine up to now.