diff --git a/ChangeLog b/ChangeLog
index bfae8e3670..4e799b4a84 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3480,4 +3480,9 @@
 	* drivers/input/max11802.c/h, and include/nuttx/input max11802.h:  Adds
 	  support for the Maxim MAX11802 touchscreen controller (contributed by
 	  Petteri Aimonen).
-
+	* graphics/nxtk/nxtk_events.c:  Missing implementatin of the blocked
+	  method.  This is a critical bugfix for graphics support (contributed
+	  by Petteri Aimonen).
+	* drivers/usbdev/pl2303.c, drivers/usbdev/usbmsc.h, and
+	  include/nuttx/usb/cdcacm.h: USB_CONFIG_ATTR_SELFPOWER vs.
+	  USB_CONFIG_ATT_SELFPOWER (contributed by Petteri Aimonen).
\ No newline at end of file
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2a7ea10b59..02a8719943 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -4,6 +4,8 @@
 #
 
 if ARCH_ARM
+comment "ARM Options"
+
 choice
 	prompt "ARM chip selection"
 	default ARCH_CHIP_STM32
@@ -239,6 +241,15 @@ config ARCH_CALIBRATION
 		watch to measure the 100 second delay then adjust BOARD_LOOPSPERMSEC until
 		the delay actually is 100 seconds.
 
+config DEBUG_HARDFAULT
+	bool "Verbose Hard-Fault Debug"
+	default n
+	depends on DEBUG && (ARCH_CORTEXM3 || ARCH_CORTEXM4)
+	---help---
+		Enables verbose debug output when a hard fault is occurs.  This verbose
+		output is sometimes helpful when debugging difficult hard fault problems,
+		but may be more than you typcially want to see.
+
 if ARCH_CHIP_C5471
 source arch/arm/src/c5471/Kconfig
 endif
diff --git a/arch/arm/src/armv7-m/up_hardfault.c b/arch/arm/src/armv7-m/up_hardfault.c
index cb3ce9e8a9..c30015ad22 100644
--- a/arch/arm/src/armv7-m/up_hardfault.c
+++ b/arch/arm/src/armv7-m/up_hardfault.c
@@ -57,9 +57,7 @@
 
 /* Debug output from this file may interfere with context switching! */
 
-#undef DEBUG_HARDFAULTS         /* Define to debug hard faults */
-
-#ifdef DEBUG_HARDFAULTS
+#ifdef CONFIG_DEBUG_HARDFAULT
 # define hfdbg(format, arg...) lldbg(format, ##arg)
 #else
 # define hfdbg(x...)
diff --git a/drivers/usbdev/pl2303.c b/drivers/usbdev/pl2303.c
index 69bf879656..95f26c1854 100644
--- a/drivers/usbdev/pl2303.c
+++ b/drivers/usbdev/pl2303.c
@@ -132,7 +132,7 @@
 /* USB Controller */
 
 #ifndef CONFIG_USBDEV_SELFPOWERED
-#  define SELFPOWERED USB_CONFIG_ATT_SELFPOWER
+#  define SELFPOWERED USB_CONFIG_ATTR_SELFPOWER
 #else
 #  define SELFPOWERED (0)
 #endif
diff --git a/drivers/usbdev/usbmsc.h b/drivers/usbdev/usbmsc.h
index 6a5530d9d9..883a499517 100644
--- a/drivers/usbdev/usbmsc.h
+++ b/drivers/usbdev/usbmsc.h
@@ -227,7 +227,7 @@
 /* USB Controller */
 
 #ifndef CONFIG_USBDEV_SELFPOWERED
-#  define SELFPOWERED USB_CONFIG_ATT_SELFPOWER
+#  define SELFPOWERED USB_CONFIG_ATTR_SELFPOWER
 #else
 #  define SELFPOWERED (0)
 #endif
diff --git a/graphics/nxtk/nxtk_events.c b/graphics/nxtk/nxtk_events.c
index 33c50b7f90..aaec16b5af 100644
--- a/graphics/nxtk/nxtk_events.c
+++ b/graphics/nxtk/nxtk_events.c
@@ -76,6 +76,9 @@ static void nxtk_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
 static void nxtk_kbdin(NXWINDOW hwnd, uint8_t nch, const uint8_t *ch,
                        FAR void *arg);
 #endif
+#ifdef CONFIG_NX_MULTIUSER
+static void nxtk_blocked(NXWINDOW hwnd, FAR void *arg1, FAR void *arg2);
+#endif
 
 /****************************************************************************
  * Private Data
@@ -95,6 +98,9 @@ const struct nx_callback_s g_nxtkcb =
 #ifdef CONFIG_NX_KBD
   , nxtk_kbdin    /* kbdin */
 #endif
+#ifdef CONFIG_NX_MULTIUSER
+  , nxtk_blocked
+#endif
 };
 
 /****************************************************************************
@@ -292,6 +298,24 @@ static void nxtk_kbdin(NXWINDOW hwnd, uint8_t nch, const uint8_t *ch,
 }
 #endif
 
+/****************************************************************************
+ * Name: nxtk_blocked
+ ****************************************************************************/
+
+#ifdef CONFIG_NX_MULTIUSER
+static void nxtk_blocked(NXWINDOW hwnd, FAR void *arg1, FAR void *arg2)
+{
+  FAR struct nxtk_framedwindow_s *fwnd = (FAR struct nxtk_framedwindow_s *)hwnd;
+
+  /* Only the client window gets keyboard input */
+
+  if (fwnd->fwcb->blocked)
+    {
+      fwnd->fwcb->blocked((NXTKWINDOW)fwnd, fwnd->fwarg, arg2);
+    }
+}
+#endif
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
diff --git a/include/nuttx/usb/cdcacm.h b/include/nuttx/usb/cdcacm.h
index 307f2a5977..1dca050c4b 100644
--- a/include/nuttx/usb/cdcacm.h
+++ b/include/nuttx/usb/cdcacm.h
@@ -205,7 +205,7 @@
 /* USB Controller */
 
 #ifndef CONFIG_USBDEV_SELFPOWERED
-#  define SELFPOWERED USB_CONFIG_ATT_SELFPOWER
+#  define SELFPOWERED USB_CONFIG_ATTR_SELFPOWER
 #else
 #  define SELFPOWERED (0)
 #endif