diff --git a/arch/arm/src/armv6-m/up_assert.c b/arch/arm/src/armv6-m/up_assert.c
index bee569cce6e..9dec6306a8d 100644
--- a/arch/arm/src/armv6-m/up_assert.c
+++ b/arch/arm/src/armv6-m/up_assert.c
@@ -63,8 +63,14 @@
 #  undef CONFIG_ARCH_USBDUMP
 #endif
 
-/* Output debug info if stack dump is selected -- even if 
- * debug is not selected.
+/* Check if we can dump stack usage information */
+
+#ifndef CONFIG_DEBUG
+#  undef CONFIG_DEBUG_STACK
+#endif
+
+/* Output debug info if stack dump is selected -- even if debug is not
+ * selected.
  */
 
 #ifdef CONFIG_ARCH_STACKDUMP
@@ -213,7 +219,7 @@ static void up_dumpstate(void)
 
 #if CONFIG_ARCH_INTERRUPTSTACK > 3
   istackbase = (uint32_t)&g_intstackbase;
-  istacksize = (CONFIG_ARCH_INTERRUPTSTACK & ~3) - 4;
+  istacksize = (CONFIG_ARCH_INTERRUPTSTACK & ~3);
 
   /* Show interrupt stack info */
 
@@ -221,6 +227,9 @@ static void up_dumpstate(void)
   lldbg("IRQ stack:\n");
   lldbg("  base: %08x\n", istackbase);
   lldbg("  size: %08x\n", istacksize);
+#ifdef CONFIG_DEBUG_STACK
+  lldbg("  used: %08x\n", up_check_intstack());
+#endif
 
   /* Does the current stack pointer lie within the interrupt
    * stack?
@@ -247,6 +256,9 @@ static void up_dumpstate(void)
   lldbg("User stack:\n");
   lldbg("  base: %08x\n", ustackbase);
   lldbg("  size: %08x\n", ustacksize);
+#ifdef CONFIG_DEBUG_STACK
+  lldbg("  used: %08x\n", up_check_tcbstack(rtcb));
+#endif
 
   /* Dump the user stack if the stack pointer lies within the allocated user
    * stack memory.
@@ -256,10 +268,14 @@ static void up_dumpstate(void)
     {
       up_stackdump(sp, ustackbase);
     }
+
 #else
   lldbg("sp:         %08x\n", sp);
   lldbg("stack base: %08x\n", ustackbase);
   lldbg("stack size: %08x\n", ustacksize);
+#ifdef CONFIG_DEBUG_STACK
+  lldbg("stack used: %08x\n", up_check_tcbstack(rtcb));
+#endif
 
   /* Dump the user stack if the stack pointer lies within the allocated user
    * stack memory.
diff --git a/arch/arm/src/c5471/c5471_vectors.S b/arch/arm/src/c5471/c5471_vectors.S
index a553f721981..ba4b5e3ee5f 100644
--- a/arch/arm/src/c5471/c5471_vectors.S
+++ b/arch/arm/src/c5471/c5471_vectors.S
@@ -1,7 +1,7 @@
 /************************************************************************************
  * arch/arm/src/c5471/c5471_vectors.S
  *
- *   Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2014 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -472,7 +472,9 @@ up_vectoraddrexcptn:
 #if CONFIG_ARCH_INTERRUPTSTACK > 3
 	.bss
 	.align	4
-	.globl	g_intstackbase
+	.global	g_intstackalloc
+	.global	g_intstackbase
+	.type	g_intstackalloc, object
 	.type	g_intstackbase, object
 g_intstackalloc:
 	.skip	((CONFIG_ARCH_INTERRUPTSTACK & ~3) - 4)
diff --git a/arch/arm/src/kinetis/kinetis_vectors.S b/arch/arm/src/kinetis/kinetis_vectors.S
index dd2e35aeacc..8ba6db658df 100644
--- a/arch/arm/src/kinetis/kinetis_vectors.S
+++ b/arch/arm/src/kinetis/kinetis_vectors.S
@@ -2,7 +2,7 @@
  * arch/arm/src/kinetis/kinetis_vectors.S
  * arch/arm/src/chip/kinetis_vectors.S
  *
- *   Copyright (C) 2011, 2013 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2011, 2013-2014 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -848,6 +848,7 @@ exception_common:
 
 #if CONFIG_ARCH_INTERRUPTSTACK > 3
 	.bss
+	.global	g_intstackalloc
 	.global	g_intstackbase
 	.align	4
 g_intstackalloc:
diff --git a/arch/arm/src/lpc17xx/lpc17_vectors.S b/arch/arm/src/lpc17xx/lpc17_vectors.S
index d88fd88ce8e..9e54b304866 100644
--- a/arch/arm/src/lpc17xx/lpc17_vectors.S
+++ b/arch/arm/src/lpc17xx/lpc17_vectors.S
@@ -2,7 +2,7 @@
  * arch/arm/src/lpc17xx/lpc17_vectors.S
  * arch/arm/src/chip/lpc17_vectors.S
  *
- *   Copyright (C) 2010-2011, 2013 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2010-2011, 2013-2014 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -460,6 +460,7 @@ exception_common:
 
 #if CONFIG_ARCH_INTERRUPTSTACK > 3
 	.bss
+	.global	g_intstackalloc
 	.global	g_intstackbase
 	.align	4
 g_intstackalloc:
diff --git a/arch/arm/src/sam34/sam_vectors.S b/arch/arm/src/sam34/sam_vectors.S
index fa008b67bc7..1ee78569c8f 100644
--- a/arch/arm/src/sam34/sam_vectors.S
+++ b/arch/arm/src/sam34/sam_vectors.S
@@ -469,6 +469,7 @@ exception_common:
 
 #if CONFIG_ARCH_INTERRUPTSTACK > 3
 	.bss
+	.global	g_intstackalloc
 	.global	g_intstackbase
 	.align	4
 g_intstackalloc:
diff --git a/arch/arm/src/tiva/tiva_vectors.S b/arch/arm/src/tiva/tiva_vectors.S
index 454ea1e4b58..8dc52e88103 100644
--- a/arch/arm/src/tiva/tiva_vectors.S
+++ b/arch/arm/src/tiva/tiva_vectors.S
@@ -450,6 +450,7 @@ exception_common:
 
 #if CONFIG_ARCH_INTERRUPTSTACK > 3
 	.bss
+	.global	g_intstackalloc
 	.global	g_intstackbase
 	.align	4
 g_intstackalloc: