Commit 6d4e4cb9 authored by Igor Mammedov's avatar Igor Mammedov Committed by Michael S. Tsirkin
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pc: acpi: fix WindowsXP BSOD when memory hotplug is enabled 



ACPI parser in XP considers PNP0A06 devices of CPU and
memory hotplug as duplicates. Adding unique _UID
to CPU hotplug device fixes BSOD.

Cc: qemu-stable@nongnu.org
Signed-off-by: default avatarIgor Mammedov <imammedo@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 27fb9688

hw/i386/acpi-dsdt-cpu-hotplug.dsl

+1 −0
Original line number Diff line number Diff line
@@ -94,6 +94,7 @@ Scope(\_SB) { 


    Device(CPU_HOTPLUG_RESOURCE_DEVICE) {

        Name(_HID, EisaId("PNP0A06"))

        Name(_UID, "CPU hotplug resources")



        Name(_CRS, ResourceTemplate() {

            IO(Decode16, CPU_STATUS_BASE, CPU_STATUS_BASE, 0, CPU_STATUS_LEN)