The SMM bugs relating to CPU0 pre-date the existence of VT-D It is the same old story... Linux is on thin-ice exercising FW that has been validated only under (some version of) Windows. -- Len Brown, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html