device: 0.717 performance: 0.668 debug: 0.664 semantic: 0.492 mistranslation: 0.481 graphic: 0.460 register: 0.211 vnc: 0.174 architecture: 0.171 user-level: 0.161 risc-v: 0.149 network: 0.145 boot: 0.144 ppc: 0.124 assembly: 0.123 VMM: 0.100 virtual: 0.073 arm: 0.068 TCG: 0.063 PID: 0.056 i386: 0.053 files: 0.049 hypervisor: 0.043 peripherals: 0.033 kernel: 0.024 permissions: 0.022 socket: 0.013 KVM: 0.012 x86: 0.010 qemu-system crashes when use sheepdog driver Already solved.