Hi, It seems like your kvm module isn't loaded. Lsmod | grep kvm What is the output? If there is no output, enable it in your BIOS. Best regards, Tobias Am 25.02.13 18:21 schrieb "johannes.thome at electrica.cujae.edu.cu" unter <johannes.thome at electrica.cujae.edu.cu>: >error: unknown OS type hvm