http://www.dds6qkxpwdeubwucdiaord2xgbbeyds25rbsgr73tbfpqpt4a6vjwsyd.onion/w/index.php?title=KVM&curid=685&oldid=83680
In other words, should the graphical desktop environment crash or be terminated, the user may be "trapped" inside a black VM window. It is possible to exit this. The emulated tablet device handles this by not allowing the mouse to be captured by the guest, however this is still possible: Press Ctrl_L & Alt_L Setting up gdb to work with qemu-kvm via libvirt In order to debug a Linux kernel that is running as a KVM guest, the -s parameter must be specified for the command line of qemu-kvm.