performance: 0.879 device: 0.874 debug: 0.522 graphic: 0.483 network: 0.454 other: 0.361 PID: 0.323 socket: 0.312 permissions: 0.238 vnc: 0.234 semantic: 0.209 boot: 0.186 files: 0.132 KVM: 0.011 Gdb hangs when trying to single-step after an invalid instruction