Index: linux-2.6.13rc/drivers/pnp/pnpacpi/core.c
===================================================================
--- linux-2.6.13rc.orig/drivers/pnp/pnpacpi/core.c	2005-08-28 19:24:40.000000000 +0200
+++ linux-2.6.13rc/drivers/pnp/pnpacpi/core.c	2005-08-28 19:26:35.000000000 +0200
@@ -131,7 +131,8 @@
 	struct pnp_id *dev_id;
 	struct pnp_dev *dev;
 
-	if (!ispnpidacpi(acpi_device_hid(device)) ||
+	status = acpi_get_handle(device->handle, "_CRS", &temp);
+	if (ACPI_FAILURE(status) || !ispnpidacpi(acpi_device_hid(device)) ||
 		is_exclusive_device(device))
 		return 0;