diff --git a/.gitignore b/.gitignore
index 2f8a3d89e..43537b136 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,6 +36,7 @@ symbols.*
 Makefile.target
 doc/html
 patches-*
+tools/tunslip
 tools/tunslip6
 build
 tools/coffee-manager/build/
diff --git a/.travis.yml b/.travis.yml
index 7994153e8..edd360a42 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,9 +17,8 @@ before_script:
          | tar xjf - -C /tmp/ && sudo cp -f -r /tmp/arm-2008q3/* /usr/ && rm -rf /tmp/arm-2008q3 && arm-none-eabi-gcc --version || true"
 
   ## Install RL78 GCC chain (following the instructions in platform/eval-adf7xxxmb4z/README.md)
-  - "sudo apt-get install git make gcc libc-dev multiarch-support libncurses5:i386 zlib1g:i386"
-  - "wget https://dl.dropboxusercontent.com/u/60522916/gnurl78-v13.02-elf_1-2_i386.deb"
-  - "sudo dpkg -i gnurl78*.deb"
+  - "sudo apt-get install libncurses5:i386 zlib1g:i386 || true"
+  - "wget http://adamdunkels.github.io/contiki-fork/gnurl78-v13.02-elf_1-2_i386.deb && sudo dpkg -i gnurl78*.deb || true"
 
   ## Install SDCC from a purpose-built bundle
   - "[ ${BUILD_ARCH:-0} = 8051 ] && curl -s \
diff --git a/Makefile.include b/Makefile.include
index 014dbed41..4b1443a13 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -183,7 +183,7 @@ clean:
 	-rm -rf $(OBJECTDIR)
 
 distclean: clean
-	-rm -rf $(CONTIKI_PROJECT).$(TARGET)
+	-rm -f ${addsuffix .$(TARGET),$(CONTIKI_PROJECT)}
 
 -include $(CONTIKI)/platform/$(TARGET)/Makefile.customrules-$(TARGET)
 
diff --git a/core/cfs/cfs-coffee.c b/core/cfs/cfs-coffee.c
index d760199a7..f4e7a26c1 100644
--- a/core/cfs/cfs-coffee.c
+++ b/core/cfs/cfs-coffee.c
@@ -651,7 +651,7 @@ reserve(const char *name, coffee_page_t pages,
   }
 
   memset(&hdr, 0, sizeof(hdr));
-  memcpy(hdr.name, name, sizeof(hdr.name) - 1);
+  strncpy(hdr.name, name, sizeof(hdr.name) - 1);
   hdr.max_pages = pages;
   hdr.flags = HDR_FLAG_ALLOCATED | flags;
   write_header(&hdr, page);
diff --git a/core/dev/leds.c b/core/dev/leds.c
index 1f8dcfa34..c815e100d 100644
--- a/core/dev/leds.c
+++ b/core/dev/leds.c
@@ -34,54 +34,58 @@
 #include "sys/clock.h"
 #include "sys/energest.h"
 
-static unsigned char leds, invert;
+static unsigned char leds;
 /*---------------------------------------------------------------------------*/
 static void
-show_leds(unsigned char changed)
+show_leds(unsigned char new_leds)
 {
+  unsigned char changed;
+  changed = leds ^ new_leds;
+  leds = new_leds;
+
   if(changed & LEDS_GREEN) {
     /* Green did change */
-    if((invert ^ leds) & LEDS_GREEN) {
+    if(leds & LEDS_GREEN) {
       ENERGEST_ON(ENERGEST_TYPE_LED_GREEN);
     } else {
       ENERGEST_OFF(ENERGEST_TYPE_LED_GREEN);
     }
   }
   if(changed & LEDS_YELLOW) {
-    if((invert ^ leds) & LEDS_YELLOW) {
+    if(leds & LEDS_YELLOW) {
       ENERGEST_ON(ENERGEST_TYPE_LED_YELLOW);
     } else {
       ENERGEST_OFF(ENERGEST_TYPE_LED_YELLOW);
     }
   }
   if(changed & LEDS_RED) {
-    if((invert ^ leds) & LEDS_RED) {
+    if(leds & LEDS_RED) {
       ENERGEST_ON(ENERGEST_TYPE_LED_RED);
     } else {
       ENERGEST_OFF(ENERGEST_TYPE_LED_RED);
     }
   }
-  leds_arch_set(leds ^ invert);
+  leds_arch_set(leds);
 }
 /*---------------------------------------------------------------------------*/
 void
 leds_init(void)
 {
   leds_arch_init();
-  leds = invert = 0;
+  leds = 0;
 }
 /*---------------------------------------------------------------------------*/
 void
 leds_blink(void)
 {
-  /* Blink all leds. */
-  unsigned char inv;
-  inv = ~(leds ^ invert);
-  leds_invert(inv);
+  /* Blink all leds that were initially off. */
+  unsigned char blink;
+  blink = ~leds;
+  leds_toggle(blink);
 
   clock_delay(400);
 
-  leds_invert(inv);
+  leds_toggle(blink);
 }
 /*---------------------------------------------------------------------------*/
 unsigned char
@@ -90,33 +94,26 @@ leds_get(void) {
 }
 /*---------------------------------------------------------------------------*/
 void
+leds_set(unsigned char ledv)
+{
+  show_leds(ledv);
+}
+/*---------------------------------------------------------------------------*/
+void
 leds_on(unsigned char ledv)
 {
-  unsigned char changed;
-  changed = (~leds) & ledv;
-  leds |= ledv;
-  show_leds(changed);
+  show_leds(leds | ledv);
 }
 /*---------------------------------------------------------------------------*/
 void
 leds_off(unsigned char ledv)
 {
-  unsigned char changed;
-  changed = leds & ledv;
-  leds &= ~ledv;
-  show_leds(changed);
+  show_leds(leds & ~ledv);
 }
 /*---------------------------------------------------------------------------*/
 void
 leds_toggle(unsigned char ledv)
 {
-  leds_invert(ledv);
-}
-/*---------------------------------------------------------------------------*/
-/*   invert the invert register using the leds parameter */
-void
-leds_invert(unsigned char ledv) {
-  invert = invert ^ ledv;
-  show_leds(ledv);
+  show_leds(leds ^ ledv);
 }
 /*---------------------------------------------------------------------------*/
diff --git a/core/dev/leds.h b/core/dev/leds.h
index b3f2adf70..839852c41 100644
--- a/core/dev/leds.h
+++ b/core/dev/leds.h
@@ -77,13 +77,13 @@ void leds_blink(void);
 #endif /* LEDS_CONF_ALL */
 
 /**
- * Returns the current status of all leds (respects invert)
+ * Returns the current status of all leds
  */
 unsigned char leds_get(void);
+void leds_set(unsigned char leds);
 void leds_on(unsigned char leds);
 void leds_off(unsigned char leds);
 void leds_toggle(unsigned char leds);
-void leds_invert(unsigned char leds);
 
 /**
  * Leds implementation
diff --git a/core/lib/assert.h b/core/lib/assert.h
index da9fd8f9b..3689a8b1d 100644
--- a/core/lib/assert.h
+++ b/core/lib/assert.h
@@ -28,9 +28,10 @@
  *
  */
 
-#ifndef ASSERT_H
-#define ASSERT_H
+#ifndef ASSERT_H_
+#define ASSERT_H_
 
+#undef assert
 #ifdef NDEBUG
 #define assert(e) ((void)0)
 #else
@@ -44,4 +45,4 @@ void _xassert(const char *, int);
 #define __CTASSERT(x, y)        typedef char __assert ## y[(x) ? 1 : -1]
 #endif
 
-#endif /* ASSERT_H */
+#endif /* ASSERT_H_ */
diff --git a/core/net/ipv6/sicslowpan.c b/core/net/ipv6/sicslowpan.c
index cd55c7b51..e69bdd88b 100644
--- a/core/net/ipv6/sicslowpan.c
+++ b/core/net/ipv6/sicslowpan.c
@@ -1434,19 +1434,12 @@ output(const uip_lladdr_t *localdest)
    * needs to be fragmented or not. */
 #define USE_FRAMER_HDRLEN 1
 #if USE_FRAMER_HDRLEN
-  packetbuf_clear();
   packetbuf_set_addr(PACKETBUF_ADDR_RECEIVER, &dest);
-  framer_hdrlen = NETSTACK_FRAMER.create();
+  framer_hdrlen = NETSTACK_FRAMER.length();
   if(framer_hdrlen < 0) {
     /* Framing failed, we assume the maximum header length */
     framer_hdrlen = 21;
   }
-  packetbuf_clear();
-
-  /* We must set the max transmissions attribute again after clearing
-     the buffer. */
-  packetbuf_set_attr(PACKETBUF_ATTR_MAX_MAC_TRANSMISSIONS,
-                     SICSLOWPAN_MAX_MAC_TRANSMISSIONS);
 #else /* USE_FRAMER_HDRLEN */
   framer_hdrlen = 21;
 #endif /* USE_FRAMER_HDRLEN */
diff --git a/core/net/mac/framer-802154.c b/core/net/mac/framer-802154.c
index 47e53ec61..a0aea598b 100644
--- a/core/net/mac/framer-802154.c
+++ b/core/net/mac/framer-802154.c
@@ -87,7 +87,7 @@ is_broadcast_addr(uint8_t mode, uint8_t *addr)
 }
 /*---------------------------------------------------------------------------*/
 static int
-create(void)
+create_frame(int type, int do_create)
 {
   frame802154_t params;
   int len;
@@ -115,20 +115,24 @@ create(void)
   params.fcf.frame_version = FRAME802154_IEEE802154_2003;
 
   /* Increment and set the data sequence number. */
-  if(packetbuf_attr(PACKETBUF_ATTR_MAC_SEQNO)) {
+  if(!do_create) {
+    /* Only length calculation - no sequence number is needed and
+       should not be consumed. */
+
+  } else if(packetbuf_attr(PACKETBUF_ATTR_MAC_SEQNO)) {
     params.seq = packetbuf_attr(PACKETBUF_ATTR_MAC_SEQNO);
+
   } else {
     params.seq = mac_dsn++;
     packetbuf_set_attr(PACKETBUF_ATTR_MAC_SEQNO, params.seq);
   }
-/*   params.seq = packetbuf_attr(PACKETBUF_ATTR_PACKET_ID); */
 
   /* Complete the addressing fields. */
   /**
      \todo For phase 1 the addresses are all long. We'll need a mechanism
      in the rime attributes to tell the mac to use long or short for phase 2.
   */
-  if(sizeof(linkaddr_t) == 2) {
+  if(LINKADDR_SIZE == 2) {
     /* Use short address mode if linkaddr size is short. */
     params.fcf.src_addr_mode = FRAME802154_SHORTADDRMODE;
   } else {
@@ -150,7 +154,7 @@ create(void)
     linkaddr_copy((linkaddr_t *)&params.dest_addr,
                   packetbuf_addr(PACKETBUF_ADDR_RECEIVER));
     /* Use short address mode if linkaddr size is small */
-    if(sizeof(linkaddr_t) == 2) {
+    if(LINKADDR_SIZE == 2) {
       params.fcf.dest_addr_mode = FRAME802154_SHORTADDRMODE;
     } else {
       params.fcf.dest_addr_mode = FRAME802154_LONGADDRMODE;
@@ -169,7 +173,11 @@ create(void)
   params.payload = packetbuf_dataptr();
   params.payload_len = packetbuf_datalen();
   len = frame802154_hdrlen(&params);
-  if(packetbuf_hdralloc(len)) {
+  if(!do_create) {
+    /* Only calculate header length */
+    return len;
+
+  } else if(packetbuf_hdralloc(len)) {
     frame802154_create(&params, packetbuf_hdrptr(), len);
 
     PRINTF("15.4-OUT: %2X", params.fcf.frame_type);
@@ -184,6 +192,18 @@ create(void)
 }
 /*---------------------------------------------------------------------------*/
 static int
+hdr_length(void)
+{
+  return create_frame(FRAME802154_DATAFRAME, 0);
+}
+/*---------------------------------------------------------------------------*/
+static int
+create(void)
+{
+  return create_frame(FRAME802154_DATAFRAME, 1);
+}
+/*---------------------------------------------------------------------------*/
+static int
 parse(void)
 {
   frame802154_t frame;
@@ -218,5 +238,5 @@ parse(void)
 }
 /*---------------------------------------------------------------------------*/
 const struct framer framer_802154 = {
-  create, parse
+  hdr_length, create, parse
 };
diff --git a/core/net/mac/framer-nullmac.c b/core/net/mac/framer-nullmac.c
index b0af4b456..bec94eba5 100644
--- a/core/net/mac/framer-nullmac.c
+++ b/core/net/mac/framer-nullmac.c
@@ -55,6 +55,12 @@ struct nullmac_hdr {
   linkaddr_t sender;
 };
 
+/*---------------------------------------------------------------------------*/
+static int
+hdr_length(void)
+{
+  return sizeof(struct nullmac_hdr);
+}
 /*---------------------------------------------------------------------------*/
 static int
 create(void)
@@ -91,5 +97,5 @@ parse(void)
 }
 /*---------------------------------------------------------------------------*/
 const struct framer framer_nullmac = {
-  create, parse
+  hdr_length, create, parse
 };
diff --git a/core/net/mac/framer.h b/core/net/mac/framer.h
index 3204dc0c9..5ed419292 100644
--- a/core/net/mac/framer.h
+++ b/core/net/mac/framer.h
@@ -45,6 +45,7 @@
 
 struct framer {
 
+  int (* length)(void);
   int (* create)(void);
   int (* parse)(void);
 
diff --git a/core/net/packetbuf.h b/core/net/packetbuf.h
index fe2c1dae3..ab84da8fe 100644
--- a/core/net/packetbuf.h
+++ b/core/net/packetbuf.h
@@ -434,7 +434,7 @@ void              packetbuf_attr_copyfrom(struct packetbuf_attr *attrs,
 
 #define PACKETBUF_ATTR_BIT  1
 #define PACKETBUF_ATTR_BYTE 8
-#define PACKETBUF_ADDRSIZE (sizeof(linkaddr_t) * PACKETBUF_ATTR_BYTE)
+#define PACKETBUF_ADDRSIZE (LINKADDR_SIZE * PACKETBUF_ATTR_BYTE)
 
 struct packetbuf_attrlist {
   uint8_t type;
diff --git a/core/net/rpl/rpl-conf.h b/core/net/rpl/rpl-conf.h
index 0512591f5..3d6aa8b36 100644
--- a/core/net/rpl/rpl-conf.h
+++ b/core/net/rpl/rpl-conf.h
@@ -162,7 +162,7 @@
  * Initial metric attributed to a link when the ETX is unknown
  */
 #ifndef RPL_CONF_INIT_LINK_METRIC
-#define RPL_INIT_LINK_METRIC        5
+#define RPL_INIT_LINK_METRIC        2
 #else
 #define RPL_INIT_LINK_METRIC        RPL_CONF_INIT_LINK_METRIC
 #endif
diff --git a/cpu/avr/minileds.c b/cpu/avr/minileds.c
index e708e6bbf..70694c5dc 100644
--- a/cpu/avr/minileds.c
+++ b/cpu/avr/minileds.c
@@ -58,8 +58,4 @@ leds_off(unsigned char leds)
 void
 leds_toggle(unsigned char leds)
 {
-  /*
-   * Synonym: void leds_invert(unsigned char leds);
-   */
-  asm(".global leds_invert\nleds_invert:\n");
 }
diff --git a/cpu/cc2538/ieee-addr.c b/cpu/cc2538/ieee-addr.c
index cb8c901bc..f45e4210d 100644
--- a/cpu/cc2538/ieee-addr.c
+++ b/cpu/cc2538/ieee-addr.c
@@ -49,10 +49,36 @@ ieee_addr_cpy_to(uint8_t *dst, uint8_t len)
 
     memcpy(dst, &ieee_addr_hc[8 - len], len);
   } else {
-    /* Reading from Info Page, we need to invert byte order */
+    /*
+     * By default, we assume that the IEEE address is stored on flash using
+     * little-endian byte order.
+     *
+     * However, some SoCs ship with a different byte order, whereby the first
+     * four bytes are flipped with the four last ones.
+     *
+     *     Using this address as an example: 00 12 4B 00 01 02 03 04
+     *               We expect it stored as: 04 03 02 01 00 4B 12 00
+     * But it is also possible to encounter: 00 4B 12 00 04 03 02 01
+     *
+     * Thus: read locations [3, 2, 1] and if we encounter the TI OUI, flip the
+     * order of the two 4-byte sequences. Each of the 4-byte sequences is still
+     * little-endian.
+     */
     int i;
-    for(i = 0; i < len; i++) {
-      dst[i] = ((uint8_t *)IEEE_ADDR_LOCATION)[len - 1 - i];
+    uint8_t oui_ti[3] = IEEE_ADDR_OUI_TI;
+    if(((uint8_t *)IEEE_ADDR_LOCATION)[3] == oui_ti[0]
+       && ((uint8_t *)IEEE_ADDR_LOCATION)[2] == oui_ti[1]
+       && ((uint8_t *)IEEE_ADDR_LOCATION)[1] == oui_ti[2]) {
+      for(i = 0; i < len / 2; i++) {
+        dst[i] = ((uint8_t *)IEEE_ADDR_LOCATION)[len / 2 - 1 - i];
+      }
+      for(i = 0; i < len / 2; i++) {
+        dst[i + len / 2] = ((uint8_t *)IEEE_ADDR_LOCATION)[len - 1 - i];
+      }
+    } else {
+      for(i = 0; i < len; i++) {
+        dst[i] = ((uint8_t *)IEEE_ADDR_LOCATION)[len - 1 - i];
+      }
     }
   }
 
diff --git a/cpu/cc2538/ieee-addr.h b/cpu/cc2538/ieee-addr.h
index c7618c1e7..faeacdb8f 100644
--- a/cpu/cc2538/ieee-addr.h
+++ b/cpu/cc2538/ieee-addr.h
@@ -49,11 +49,27 @@
 #include <stdint.h>
 /*---------------------------------------------------------------------------*/
 /**
- * \name IEEE address locations
+ * \name TI OUI
  * @{
  */
-#define IEEE_ADDR_LOCATION_PRIMARY   0x00280028 /**< IEEE address location */
-#define IEEE_ADDR_LOCATION_SECONDARY 0x0027FFCC /**< IEEE address location */
+#define IEEE_ADDR_OUI_TI   { 0x00, 0x12, 0x4B } /**< TI OUI */
+/** @} */
+/*---------------------------------------------------------------------------*/
+/**
+ * \name IEEE address locations
+ *
+ * The address of the secondary location can be configured by the platform
+ * or example
+ *
+ * @{
+ */
+#define IEEE_ADDR_LOCATION_PRIMARY   0x00280028 /**< Primary IEEE address location */
+
+#ifdef IEEE_ADDR_CONF_LOCATION_SECONDARY
+#define IEEE_ADDR_LOCATION_SECONDARY IEEE_ADDR_CONF_LOCATION_SECONDARY
+#else
+#define IEEE_ADDR_LOCATION_SECONDARY 0x0027FFCC /**< Secondary IEEE address location */
+#endif
 /** @} */
 /*---------------------------------------------------------------------------*/
 /**
diff --git a/cpu/msp430/cc2420-arch-sfd.c b/cpu/msp430/cc2420-arch-sfd.c
index 49c979ce2..f7535b276 100644
--- a/cpu/msp430/cc2420-arch-sfd.c
+++ b/cpu/msp430/cc2420-arch-sfd.c
@@ -59,7 +59,7 @@ void
 cc2420_arch_sfd_init(void)
 {
   /* Need to select the special function! */
-  P4SEL = BV(CC2420_SFD_PIN);
+  CC2420_SFD_PORT(SEL) = BV(CC2420_SFD_PIN);
   
   /* start timer B - 32768 ticks per second */
   TBCTL = TBSSEL_1 | TBCLR;
diff --git a/cpu/msp430/cc2520-arch-sfd.c b/cpu/msp430/cc2520-arch-sfd.c
index 5eb35cedb..bafa11b1c 100644
--- a/cpu/msp430/cc2520-arch-sfd.c
+++ b/cpu/msp430/cc2520-arch-sfd.c
@@ -58,7 +58,7 @@ void
 cc2520_arch_sfd_init(void)
 {
   /* Need to select the special function! */
-  P4SEL = BV(CC2520_SFD_PIN);
+  CC2520_SFD_PORT(SEL) = BV(CC2520_SFD_PIN);
 
   /* start timer B - 32768 ticks per second */
   TBCTL = TBSSEL_1 | TBCLR;
diff --git a/cpu/msp430/minileds.c b/cpu/msp430/minileds.c
index 3a2a6eabf..ce5f97392 100644
--- a/cpu/msp430/minileds.c
+++ b/cpu/msp430/minileds.c
@@ -74,10 +74,5 @@ leds_off(unsigned char leds)
 void
 leds_toggle(unsigned char leds)
 {
-  /*
-   * Synonym: void leds_invert(unsigned char leds);
-   */
-  asm(".global leds_invert\nleds_invert:\n");
-
   LEDS_PxOUT ^= l2p[leds & LEDS_ALL];
 }
diff --git a/examples/er-rest-example/resources/res-toggle.c b/examples/er-rest-example/resources/res-toggle.c
index a8ada909f..d8a773306 100644
--- a/examples/er-rest-example/resources/res-toggle.c
+++ b/examples/er-rest-example/resources/res-toggle.c
@@ -58,6 +58,6 @@ RESOURCE(res_toggle,
 static void
 res_post_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
 {
-  leds_invert(LEDS_RED);
+  leds_toggle(LEDS_RED);
 }
 #endif /* PLATFORM_HAS_LEDS */
diff --git a/examples/ipv6/slip-radio/no-framer.c b/examples/ipv6/slip-radio/no-framer.c
index afbaffb65..b6ca7d06a 100644
--- a/examples/ipv6/slip-radio/no-framer.c
+++ b/examples/ipv6/slip-radio/no-framer.c
@@ -76,6 +76,13 @@ is_broadcast_addr(uint8_t mode, uint8_t *addr)
 }
 /*---------------------------------------------------------------------------*/
 static int
+hdr_length(void)
+{
+  /* never adds any header */
+  return 0;
+}
+/*---------------------------------------------------------------------------*/
+static int
 create(void)
 {
   /* nothing extra... */
@@ -116,5 +123,5 @@ parse(void)
 }
 /*---------------------------------------------------------------------------*/
 const struct framer no_framer = {
-  create, parse
+  hdr_length, create, parse
 };
diff --git a/platform/mbxxx/platform-conf.h b/platform/mbxxx/platform-conf.h
index 5ed278687..cd316da82 100644
--- a/platform/mbxxx/platform-conf.h
+++ b/platform/mbxxx/platform-conf.h
@@ -85,7 +85,7 @@ typedef unsigned long clock_time_t;
 
 typedef unsigned long rtimer_clock_t;
 
-#define RTIMER_CLOCK_LT(a,b)     ((signed short)((a)-(b)) < 0)
+#define RTIMER_CLOCK_LT(a,b)     ((signed long)((a)-(b)) < 0)
 
 #define LEDS_CONF_RED_PIN     boardDescription->io->leds[1].gpioPin
 #define LEDS_CONF_GREEN_PIN   boardDescription->io->leds[0].gpioPin
diff --git a/platform/native/contiki-main.c b/platform/native/contiki-main.c
index e0e2f2012..0202fef73 100644
--- a/platform/native/contiki-main.c
+++ b/platform/native/contiki-main.c
@@ -35,6 +35,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <sys/select.h>
+#include <errno.h>
 
 #ifdef __CYGWIN__
 #include "net/wpcap-drv.h"
@@ -190,6 +191,7 @@ main(int argc, char **argv)
   process_init();
   process_start(&etimer_process, NULL);
   ctimer_init();
+  rtimer_init();
 
 #if WITH_GUI
   process_start(&ctk_process, NULL);
@@ -197,12 +199,12 @@ main(int argc, char **argv)
 
   set_rime_addr();
 
-  queuebuf_init();
-
   netstack_init();
   printf("MAC %s RDC %s NETWORK %s\n", NETSTACK_MAC.name, NETSTACK_RDC.name, NETSTACK_NETWORK.name);
 
 #if WITH_UIP6
+  queuebuf_init();
+
   memcpy(&uip_lladdr.addr, serial_id, sizeof(uip_lladdr.addr));
 
   process_start(&tcpip_process, NULL);
@@ -259,7 +261,9 @@ main(int argc, char **argv)
 
     retval = select(maxfd + 1, &fdr, &fdw, NULL, &tv);
     if(retval < 0) {
-      perror("select");
+      if(errno != EINTR) {
+        perror("select");
+      }
     } else if(retval > 0) {
       /* timeout => retval == 0 */
       for(i = 0; i <= maxfd; i++) {
diff --git a/platform/sky/contiki-sky-main.c b/platform/sky/contiki-sky-main.c
index 646110b31..4df32e57e 100644
--- a/platform/sky/contiki-sky-main.c
+++ b/platform/sky/contiki-sky-main.c
@@ -338,7 +338,7 @@ main(int argc, char **argv)
          NETSTACK_MAC.name, NETSTACK_RDC.name,
          CLOCK_SECOND / (NETSTACK_RDC.channel_check_interval() == 0? 1:
                          NETSTACK_RDC.channel_check_interval()),
-         CC2420_CONF_CCA_THRESH);
+         CC2420_CONF_CHANNEL);
 #endif /* WITH_UIP6 */
 
 #if !WITH_UIP && !WITH_UIP6
diff --git a/tools/sky/uip6-bridge/uip6-bridge-tap.c b/tools/sky/uip6-bridge/uip6-bridge-tap.c
index e0e413ffb..f1c5a0256 100644
--- a/tools/sky/uip6-bridge/uip6-bridge-tap.c
+++ b/tools/sky/uip6-bridge/uip6-bridge-tap.c
@@ -64,7 +64,7 @@ tcpip_output(const uip_lladdr_t *a)
     /*    printf("pppp o %u tx %u rx %u\n", UIP_IP_BUF->proto,
 	   packetbuf_attr(PACKETBUF_ATTR_TRANSMIT_TIME),
 	   packetbuf_attr(PACKETBUF_ATTR_LISTEN_TIME));*/
-    leds_invert(LEDS_GREEN);
+    leds_toggle(LEDS_GREEN);
   }
   return 0;
 }
@@ -94,7 +94,7 @@ tcpip_input(void)
 	     packetbuf_attr(PACKETBUF_ATTR_TRANSMIT_TIME),
 	     packetbuf_attr(PACKETBUF_ATTR_LISTEN_TIME));*/
       slip_write(uip_buf, uip_len);
-      leds_invert(LEDS_RED);
+      leds_toggle(LEDS_RED);
       uip_len = 0;
     }
   }
@@ -112,7 +112,7 @@ slip_tcpip_input(void)
 static void
 slip_activity(void)
 {
-  leds_invert(LEDS_BLUE);
+  leds_toggle(LEDS_BLUE);
 }
 /*---------------------------------------------------------------------------*/
 PROCESS_THREAD(uip6_bridge, ev, data)
diff --git a/tools/stm32w/uip6_bridge/sicslow_ethernet.c b/tools/stm32w/uip6_bridge/sicslow_ethernet.c
index 5c70bacaf..9bd68d0ad 100644
--- a/tools/stm32w/uip6_bridge/sicslow_ethernet.c
+++ b/tools/stm32w/uip6_bridge/sicslow_ethernet.c
@@ -968,7 +968,7 @@ void mac_802154raw(const struct radio_driver *radio)
 #endif
   
   slip_write(uip_buf, len);
-  leds_invert(LEDS_RED);
+  leds_toggle(LEDS_RED);
 
   //rndis_send(raw_buf, sendlen, 1);
   //rndis_stat.rxok++;