I was playing around with kubevirt.io (v1.2.0) on a Radxa ROCK 5 Model B. When I tried to boot a VM, I just had the qemu-kvm
process eating 100% CPU with no output to the console.
I built an alternative setup based on ubuntu 22.04 and qemu worked with KVM without any problems. After some investigation I had the idea that it might be related to the (U)EFI bios used. I transferred the /usr/share/AAVMF/AAVMF_CODE.fd
files from the 22.04 setup into the kubevirt compute container, started an additional qemu-kvm with -bios AAVMF/AAVMF_CODE.fd
and voila - KVM booted correctly.
My findings so far: