diff --git a/[refs] b/[refs]
index 97d70fea6c30..c2e04ec9417e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0e92da4acb763272c6060f0b14adc2377b627d07
+refs/heads/master: a4045dff782a8692637c24a0222120082c887caa
diff --git a/trunk/include/asm-x86_64/page.h b/trunk/include/asm-x86_64/page.h
index f7bf875aae40..10f346165cab 100644
--- a/trunk/include/asm-x86_64/page.h
+++ b/trunk/include/asm-x86_64/page.h
@@ -19,7 +19,7 @@
 #define EXCEPTION_STACK_ORDER 0
 #define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER)
 
-#define DEBUG_STACK_ORDER EXCEPTION_STACK_ORDER
+#define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1)
 #define DEBUG_STKSZ (PAGE_SIZE << DEBUG_STACK_ORDER)
 
 #define IRQSTACK_ORDER 2