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authorIgor Mammedov <imammedo@redhat.com>2014-12-19 11:46:57 +0000
committerMichael S. Tsirkin <mst@redhat.com>2015-01-26 20:25:52 +0200
commit6d4e4cb9985e24557abcf3932a0e7f8f6ab3c1d2 (patch)
treea9808951ca5f4fee41d78d623c6c4945709ef057 /hw/i386
parent27fb9688f9162515901ebf29e3879788fd326ea7 (diff)
downloadqemu-6d4e4cb9985e24557abcf3932a0e7f8f6ab3c1d2.tar.gz
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: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386')
-rw-r--r--hw/i386/acpi-dsdt-cpu-hotplug.dsl1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/i386/acpi-dsdt-cpu-hotplug.dsl b/hw/i386/acpi-dsdt-cpu-hotplug.dsl
index 34aab5af43..268d870990 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)