ACPI parser in XP considers PNP0A06 devices of CPU and memory hotplug as duplicates. Adding unique _UID to CPU hotplug device fixes BSOD.
Signed-off-by: Igor Mammedov <imamm...@redhat.com> --- hw/i386/acpi-dsdt-cpu-hotplug.dsl | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/i386/acpi-dsdt-cpu-hotplug.dsl b/hw/i386/acpi-dsdt-cpu-hotplug.dsl index 34aab5a..268d870 100644 --- a/hw/i386/acpi-dsdt-cpu-hotplug.dsl +++ b/hw/i386/acpi-dsdt-cpu-hotplug.dsl @@ -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) -- 1.8.3.1