No, I did only mean to check if the stock kernel is configured for AMD V

Markus

Hmmm excuse :redface:

I saw nothing on AMD-V, in itself, in my kernel, the only thing I found, related to virtualization, kvm is about ...

many thanks

EDIT:I noted that the host OS only reboot when I pressed the "enter" key( see attchament below). When I not pressed the "enter" key to start the guest OS, no problem.

Unlike Windows, Linux distributions usually, to start the OS have, at first, to press the "enter"(or let it start automatically). Of course we can configure the "Lilo" or the "Grub" to avoid having to do this, but it was not my case, when configuring the guests ......

The problem was complex, because there were times when I pressed the "enter" key, and the host OS does not reboot, and everything worked fine ...

Edited : Today July 15, after a time without using VB, the problem continues, even without hit enter ....