diff mbox

[v4,1/7] pc: acpi: fix WindowsXP BSOD when memory hotplug is enabled

Message ID 1421769152-23285-2-git-send-email-imammedo@redhat.com
State New
Headers show

Commit Message

Igor Mammedov Jan. 20, 2015, 3:52 p.m. UTC 
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 <imammedo@redhat.com>
---
 hw/i386/acpi-dsdt-cpu-hotplug.dsl | 1 +
 1 file changed, 1 insertion(+)
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Patch

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)