diff --git a/sys/x86/include/legacyvar.h b/sys/x86/include/legacyvar.h
--- a/sys/x86/include/legacyvar.h
+++ b/sys/x86/include/legacyvar.h
@@ -62,6 +62,10 @@
     struct resource *r, rman_res_t start, rman_res_t end);
 int	legacy_pcib_release_resource(device_t dev, device_t child, int type,
     int rid, struct resource *r);
+int	legacy_pcib_activate_resource(device_t dev, device_t child, int type,
+    int rid, struct resource *r);
+int	legacy_pcib_deactivate_resource(device_t dev, device_t child, int type,
+    int rid, struct resource *r);
 int	legacy_pcib_alloc_msi(device_t pcib, device_t dev, int count,
     int maxcount, int *irqs);
 int	legacy_pcib_alloc_msix(device_t pcib, device_t dev, int *irq);
diff --git a/sys/x86/pci/pci_bus.c b/sys/x86/pci/pci_bus.c
--- a/sys/x86/pci/pci_bus.c
+++ b/sys/x86/pci/pci_bus.c
@@ -625,6 +625,24 @@
 		return (pci_domain_release_bus(0, child, rid, r));
 	return (bus_generic_release_resource(dev, child, type, rid, r));
 }
+
+int
+legacy_pcib_activate_resource(device_t dev, device_t child, int type, int rid,
+    struct resource *r)
+{
+	if (type == PCI_RES_BUS)
+		return (pci_domain_activate_bus(0, child, rid, r));
+	return (bus_generic_activate_resource(dev, child, type, rid, r));
+}
+
+int
+legacy_pcib_deactivate_resource(device_t dev, device_t child, int type, int rid,
+    struct resource *r)
+{
+	if (type == PCI_RES_BUS)
+		return (pci_domain_deactivate_bus(0, child, rid, r));
+	return (bus_generic_deactivate_resource(dev, child, type, rid, r));
+}
 #endif
 
 static device_method_t legacy_pcib_methods[] = {
@@ -643,12 +661,14 @@
 #if defined(NEW_PCIB) && defined(PCI_RES_BUS)
 	DEVMETHOD(bus_adjust_resource,	legacy_pcib_adjust_resource),
 	DEVMETHOD(bus_release_resource,	legacy_pcib_release_resource),
+	DEVMETHOD(bus_activate_resource, legacy_pcib_activate_resource),
+	DEVMETHOD(bus_deactivate_resource, legacy_pcib_deactivate_resource),
 #else
 	DEVMETHOD(bus_adjust_resource,	bus_generic_adjust_resource),
 	DEVMETHOD(bus_release_resource,	bus_generic_release_resource),
-#endif
 	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
 	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
+#endif
 	DEVMETHOD(bus_setup_intr,	bus_generic_setup_intr),
 	DEVMETHOD(bus_teardown_intr,	bus_generic_teardown_intr),
 
diff --git a/sys/x86/pci/qpi.c b/sys/x86/pci/qpi.c
--- a/sys/x86/pci/qpi.c
+++ b/sys/x86/pci/qpi.c
@@ -284,12 +284,14 @@
 	DEVMETHOD(bus_alloc_resource,	qpi_pcib_alloc_resource),
 	DEVMETHOD(bus_adjust_resource,	legacy_pcib_adjust_resource),
 	DEVMETHOD(bus_release_resource,	legacy_pcib_release_resource),
+	DEVMETHOD(bus_activate_resource, legacy_pcib_activate_resource),
+	DEVMETHOD(bus_deactivate_resource, legacy_pcib_deactivate_resource),
 #else
 	DEVMETHOD(bus_alloc_resource,	bus_generic_alloc_resource),
 	DEVMETHOD(bus_release_resource,	bus_generic_release_resource),
-#endif
 	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
 	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
+#endif
 	DEVMETHOD(bus_setup_intr,	bus_generic_setup_intr),
 	DEVMETHOD(bus_teardown_intr,	bus_generic_teardown_intr),
 
diff --git a/sys/x86/x86/mptable_pci.c b/sys/x86/x86/mptable_pci.c
--- a/sys/x86/x86/mptable_pci.c
+++ b/sys/x86/x86/mptable_pci.c
@@ -174,11 +174,13 @@
 #endif
 #if defined(NEW_PCIB) && defined(PCI_RES_BUS)
 	DEVMETHOD(bus_release_resource,	legacy_pcib_release_resource),
+	DEVMETHOD(bus_activate_resource, legacy_pcib_activate_resource),
+	DEVMETHOD(bus_deactivate_resource, legacy_pcib_deactivate_resource),
 #else
 	DEVMETHOD(bus_release_resource,	bus_generic_release_resource),
-#endif
 	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
 	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
+#endif
 	DEVMETHOD(bus_setup_intr,	bus_generic_setup_intr),
 	DEVMETHOD(bus_teardown_intr,	bus_generic_teardown_intr),