diff --git a/configure b/configure
index ad12688551..066622865f 100755
--- a/configure
+++ b/configure
@@ -272,8 +272,6 @@ for opt do
   ;;
   --cxx=*) CXX="$optarg"
   ;;
-  --iasl=*) iasl="$optarg"
-  ;;
   --source-path=*) source_path="$optarg"
   ;;
   --cpu=*) cpu="$optarg"
@@ -652,6 +650,8 @@ for opt do
   ;;
   --cxx=*)
   ;;
+  --iasl=*) iasl="$optarg"
+  ;;
   --objcc=*) objcc="$optarg"
   ;;
   --make=*) make="$optarg"
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index ae6359117d..8387443ee3 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -1106,7 +1106,7 @@ mac_writereg(E1000State *s, int index, uint32_t val)
 
     s->mac_reg[index] = val;
 
-    if (index == RA || index == RA + 1) {
+    if (index == RA + 1) {
         macaddr[0] = cpu_to_le32(s->mac_reg[RA]);
         macaddr[1] = cpu_to_le32(s->mac_reg[RA + 1]);
         qemu_format_nic_info_str(qemu_get_queue(s->nic), (uint8_t *)macaddr);
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 7f2b4db449..5329f44a9d 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -2741,7 +2741,10 @@ static void rtl8139_io_writeb(void *opaque, uint8_t addr, uint32_t val)
 
     switch (addr)
     {
-        case MAC0 ... MAC0+5:
+        case MAC0 ... MAC0+4:
+            s->phys[addr - MAC0] = val;
+            break;
+        case MAC0+5:
             s->phys[addr - MAC0] = val;
             qemu_format_nic_info_str(qemu_get_queue(s->nic), s->phys);
             break;
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index ed32059bf8..49eca955aa 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -47,6 +47,7 @@ static void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent);
 static char *pcibus_get_dev_path(DeviceState *dev);
 static char *pcibus_get_fw_dev_path(DeviceState *dev);
 static int pcibus_reset(BusState *qbus);
+static void pci_bus_finalize(Object *obj);
 
 static Property pci_props[] = {
     DEFINE_PROP_PCI_DEVFN("addr", PCIDevice, devfn, -1),
@@ -73,6 +74,7 @@ static const TypeInfo pci_bus_info = {
     .name = TYPE_PCI_BUS,
     .parent = TYPE_BUS,
     .instance_size = sizeof(PCIBus),
+    .instance_finalize = pci_bus_finalize,
     .class_init = pci_bus_class_init,
 };
 
@@ -375,6 +377,12 @@ int pci_bus_num(PCIBus *s)
     return s->parent_dev->config[PCI_SECONDARY_BUS];
 }
 
+static void pci_bus_finalize(Object *obj)
+{
+    PCIBus *bus = PCI_BUS(obj);
+    vmstate_unregister(NULL, &vmstate_pcibus, bus);
+}
+
 static int get_pci_config_device(QEMUFile *f, void *pv, size_t size)
 {
     PCIDevice *s = container_of(pv, PCIDevice, config);