Diego Viola <diego.viola@xxxxxxxxx> writes: > Hello, > > I am trying to do nested KVM on a Ryzen 5 2400G, my use case is the following: > > - Arch Linux as the host OS. > - Ubuntu 18.04.1 as the guest OS. > > I am using qemu 3.1.0-1 (from the extra repository) on Arch Linux. > > This is the command I am using to start the VM: > > qemu-system-x86_64 -enable-kvm -hda ubuntu.qcow2 -m 4G -smp 4 -vga > virtio -cpu host Could you please try if the following patch helps? https://www.spinics.net/lists/kvm/msg179946.html (actually, this looks more like https://www.spinics.net/lists/kvm/msg179297.html but your 4.20.3 should have it already) -- Vitaly