On Wed, Apr 26, 2017 at 09:48:22AM +0200, Paolo Bonzini wrote: > The OSXSAVE CPUID bit is not set by QEMU, it is set by the OS itself > (indirectly) when it sets CR4.OSXSAVE. QEMU says it's not available > (probably) because the Opteron_G3 CPU model does not have the 0xD CPUID > leaf. Nope: 0x00000000 0x00: eax=0x00000005 ebx=0x68747541 ecx=0x444d4163 edx=0x69746e65 ^^^^^^^^^^ highest is 0x5. I'll let Satoru comment on the rest. Thanks Paolo! -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.