On 20/05/19 23:05, Eduardo Habkost wrote: > What if enable_cpu_pm is false but we're running TCG, or if > enable_cpu_pm is true but we're not using -cpu host? > > Shouldn't this be conditional on > (env->features[FEAT_1_ECX] & CPUID_EXT_MONITOR) > instead? Yes, it should. I fixed it locally. Paolo