diff --git a/[refs] b/[refs]
index cdf5152ca1dd..d8d1c15ceead 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8eb7b2477c4e4fec4788605e4edb5f7acafb59ff
+refs/heads/master: 33a1d461d294722dd15ffe17651bdd48b5763883
diff --git a/trunk/drivers/acpi/acpica/utcopy.c b/trunk/drivers/acpi/acpica/utcopy.c
index 919624f123d5..0f0c64bf8ac9 100644
--- a/trunk/drivers/acpi/acpica/utcopy.c
+++ b/trunk/drivers/acpi/acpica/utcopy.c
@@ -676,6 +676,7 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
 {
 	u16 reference_count;
 	union acpi_operand_object *next_object;
+	acpi_status status;
 
 	/* Save fields from destination that we don't want to overwrite */
 
@@ -768,6 +769,28 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
 		}
 		break;
 
+		/*
+		 * For Mutex and Event objects, we cannot simply copy the underlying
+		 * OS object. We must create a new one.
+		 */
+	case ACPI_TYPE_MUTEX:
+
+		status = acpi_os_create_mutex(&dest_desc->mutex.os_mutex);
+		if (ACPI_FAILURE(status)) {
+			return status;
+		}
+		break;
+
+	case ACPI_TYPE_EVENT:
+
+		status = acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0,
+						  &dest_desc->event.
+						  os_semaphore);
+		if (ACPI_FAILURE(status)) {
+			return status;
+		}
+		break;
+
 	default:
 		/* Nothing to do for other simple objects */
 		break;