Index: sys/arm/include/param.h
===================================================================
--- sys/arm/include/param.h
+++ sys/arm/include/param.h
@@ -114,7 +114,7 @@
 #define	MAXPAGESIZES	2		/* maximum number of supported page sizes */
 
 #ifndef KSTACK_PAGES
-#define KSTACK_PAGES    2
+#define KSTACK_PAGES    4
 #endif /* !KSTACK_PAGES */
 
 #ifndef FPCONTEXTSIZE