device: 0.658
virtual: 0.458
user-level: 0.369
semantic: 0.340
mistranslation: 0.309
permissions: 0.152
performance: 0.128
debug: 0.121
risc-v: 0.071
i386: 0.063
peripherals: 0.057
VMM: 0.054
files: 0.050
PID: 0.045
graphic: 0.043
ppc: 0.036
register: 0.036
x86: 0.032
arm: 0.028
KVM: 0.022
TCG: 0.020
vnc: 0.017
architecture: 0.016
network: 0.015
boot: 0.014
assembly: 0.012
hypervisor: 0.010
kernel: 0.005
socket: 0.002

jack audio dev produces no sound