diff --git a/core/net/mac/csma.c b/core/net/mac/csma.c
index e2776e35d..b8fa3c9a2 100644
--- a/core/net/mac/csma.c
+++ b/core/net/mac/csma.c
@@ -244,9 +244,7 @@ packet_sent(void *ptr, int status, int num_transmissions)
 
       /* This is needed to correctly attribute energy that we spent
          transmitting this packet. */
-      q = list_head(queued_packet_list);
-      queuebuf_free(q->buf);
-      q->buf = queuebuf_new_from_packetbuf();
+      queuebuf_update_attr_from_packetbuf(q->buf);
 
     } else {
       PRINTF("csma: drop with status %d after %d transmissions, %d collisions\n",
diff --git a/core/net/mac/nullrdc.c b/core/net/mac/nullrdc.c
index 6b8cbe2e3..b57dcb729 100644
--- a/core/net/mac/nullrdc.c
+++ b/core/net/mac/nullrdc.c
@@ -52,6 +52,12 @@
 #define PRINTF(...)
 #endif
 
+#ifdef NULLRDC_CONF_ADDRESS_FILTER
+#define NULLRDC_ADDRESS_FILTER NULLRDC_CONF_ADDRESS_FILTER
+#else
+#define NULLRDC_ADDRESS_FILTER 1
+#endif /* NULLRDC_CONF_ADDRESS_FILTER */
+
 #ifndef NULLRDC_802154_AUTOACK
 #ifdef NULLRDC_CONF_802154_AUTOACK
 #define NULLRDC_802154_AUTOACK NULLRDC_CONF_802154_AUTOACK
@@ -206,6 +212,13 @@ packet_input(void)
 #endif /* NULLRDC_802154_AUTOACK */
   if(NETSTACK_FRAMER.parse() == 0) {
     PRINTF("nullrdc: failed to parse %u\n", packetbuf_datalen());
+#if NULLRDC_ADDRESS_FILTER
+  } else if(!rimeaddr_cmp(packetbuf_addr(PACKETBUF_ADDR_RECEIVER),
+                                         &rimeaddr_node_addr) &&
+            !rimeaddr_cmp(packetbuf_addr(PACKETBUF_ADDR_RECEIVER),
+                          &rimeaddr_null)) {
+    PRINTF("nullrdc: not for us\n");
+#endif /* NULLRDC_ADDRESS_FILTER */
   } else {
 #if NULLRDC_802154_AUTOACK || NULLRDC_802154_AUTOACK_HW
     /* Check for duplicate packet by comparing the sequence number
diff --git a/core/net/queuebuf.c b/core/net/queuebuf.c
index ca5988f7d..3a6bdbf10 100644
--- a/core/net/queuebuf.c
+++ b/core/net/queuebuf.c
@@ -163,6 +163,12 @@ queuebuf_new_from_packetbuf(void)
 }
 /*---------------------------------------------------------------------------*/
 void
+queuebuf_update_attr_from_packetbuf(struct queuebuf *buf)
+{
+  packetbuf_attr_copyto(buf->attrs, buf->addrs);
+}
+/*---------------------------------------------------------------------------*/
+void
 queuebuf_free(struct queuebuf *buf)
 {
   if(memb_inmemb(&bufmem, buf)) {
diff --git a/core/net/queuebuf.h b/core/net/queuebuf.h
index 92c4b9148..f9d434100 100644
--- a/core/net/queuebuf.h
+++ b/core/net/queuebuf.h
@@ -78,6 +78,7 @@ struct queuebuf *queuebuf_new_from_packetbuf_debug(const char *file, int line);
 #else /* QUEUEBUF_DEBUG */
 struct queuebuf *queuebuf_new_from_packetbuf(void);
 #endif /* QUEUEBUF_DEBUG */
+void queuebuf_update_attr_from_packetbuf(struct queuebuf *b);
 
 void queuebuf_to_packetbuf(struct queuebuf *b);
 void queuebuf_free(struct queuebuf *b);
diff --git a/cpu/avr/radio/rf230bb/halbb.c b/cpu/avr/radio/rf230bb/halbb.c
index 178e338ef..c377db10e 100644
--- a/cpu/avr/radio/rf230bb/halbb.c
+++ b/cpu/avr/radio/rf230bb/halbb.c
@@ -735,26 +735,29 @@ hal_frame_write(uint8_t *write_buffer, uint8_t length)
  * \param length Length of the read burst
  * \param data Pointer to buffer where data is stored.
  */
-//void
-//hal_sram_read(uint8_t address, uint8_t length, uint8_t *data)
-//{
-//    HAL_SPI_TRANSFER_OPEN();
+#if 0  //Uses 80 bytes (on Raven) omit unless needed
+void
+hal_sram_read(uint8_t address, uint8_t length, uint8_t *data)
+{
+    HAL_SPI_TRANSFER_OPEN();
 
-    /*Send SRAM read command.*/
-//    HAL_SPI_TRANSFER(0x00);
+    /*Send SRAM read command and address to start*/
+    HAL_SPI_TRANSFER(0x00);
+    HAL_SPI_TRANSFER(address);
 
-    /*Send address where to start reading.*/
-//    HAL_SPI_TRANSFER(address);
+    HAL_SPI_TRANSFER_WRITE(0);
+    HAL_SPI_TRANSFER_WAIT();
 
     /*Upload the chosen memory area.*/
-//    do{
-//        *data++ = HAL_SPI_TRANSFER(0);
-//    } while (--length > 0);
-
-//    HAL_SPI_TRANSFER_CLOSE();
-
-//}
+    do{
+        *data++ = HAL_SPI_TRANSFER_READ();
+        HAL_SPI_TRANSFER_WRITE(0);
+        HAL_SPI_TRANSFER_WAIT();
+    } while (--length > 0);
 
+    HAL_SPI_TRANSFER_CLOSE();
+}
+#endif
 /*----------------------------------------------------------------------------*/
 /** \brief Write SRAM
  *
diff --git a/tools/collect-view/src/se/sics/contiki/collect/UDPConnection.java b/tools/collect-view/src/se/sics/contiki/collect/UDPConnection.java
index 61b1fe2c5..7dd602bef 100644
--- a/tools/collect-view/src/se/sics/contiki/collect/UDPConnection.java
+++ b/tools/collect-view/src/se/sics/contiki/collect/UDPConnection.java
@@ -94,11 +94,11 @@ private DatagramSocket serverSocket;
 	      byte[] address = addr.getAddress();
 	      /* Ignore latency for now */
 	      out.printf(" %d %d %d %d",
-				(address[14] + (address[15] << 8))&0xffff,
-				seqno, hops, 0);
+			 ((address[14] & 0xff) +
+			  ((address[15] & 0xff) << 8))&0xffff, seqno, hops, 0);
 	      int d = 0;
 	      for(int i = 0; i < payloadLen ; i += 2) {
-		  d = payload[i + 2] + (payload[i + 3] << 8);
+		  d = (payload[i + 2] & 0xff) + ((payload[i + 3] & 0xff) << 8);
 		  out.printf(" %d", d & 0xffff);
 	      }