On Fri, 7 Oct 2016, Dou Liyang wrote: > Is it possible that the "-1/oxffffffff" could appear in the MADT which is one > of the ACPI tables? According to the SDM the x2apic id is a 32bit ID, so 0xffffffff is a legitimate value. Thanks, tglx -- 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