Virtualbox enable nested vtx/amd-v greyed out

Question

On my Ubuntu 18.04, I\'ve installed VirtualBox 6.0 in order to have nested virtualization. Virtualization is

Answer 1

So far it only works with AMD CPUs (forget about the confusing option title).

Initially this is for AMD CPUs only.

All Intel CPU posts will be deleted/split.

https://forums.virtualbox.org/viewtopic.php?f=1&t=90831

https://forums.virtualbox.org/viewtopic.php?f=7&t=90874