Index: kernel/arch/ia64/src/drivers/ski.c
===================================================================
--- kernel/arch/ia64/src/drivers/ski.c	(revision 7218fe6b2a633b85c30cc17b7392712ed1b9163c)
+++ kernel/arch/ia64/src/drivers/ski.c	(revision 9df6b0f517e1ff178f1a72197b03101a00f3d6f0)
@@ -61,5 +61,7 @@
 static outdev_operations_t skidev_ops = {
 	.write = ski_putchar,
-	.redraw = NULL
+	.redraw = NULL,
+	.scroll_up = NULL,
+	.scroll_down = NULL
 };
 
Index: kernel/arch/mips32/src/mach/malta/malta.c
===================================================================
--- kernel/arch/mips32/src/mach/malta/malta.c	(revision 7218fe6b2a633b85c30cc17b7392712ed1b9163c)
+++ kernel/arch/mips32/src/mach/malta/malta.c	(revision 9df6b0f517e1ff178f1a72197b03101a00f3d6f0)
@@ -92,5 +92,7 @@
 static outdev_operations_t yamon_outdev_ops = {
 	.write = yamon_putchar,
-	.redraw = NULL
+	.redraw = NULL,
+	.scroll_up = NULL,
+	.scroll_down = NULL
 };
 
Index: kernel/arch/sparc64/src/drivers/niagara.c
===================================================================
--- kernel/arch/sparc64/src/drivers/niagara.c	(revision 7218fe6b2a633b85c30cc17b7392712ed1b9163c)
+++ kernel/arch/sparc64/src/drivers/niagara.c	(revision 9df6b0f517e1ff178f1a72197b03101a00f3d6f0)
@@ -63,5 +63,7 @@
 static outdev_operations_t niagara_ops = {
 	.write = niagara_putchar,
-	.redraw = NULL
+	.redraw = NULL,
+	.scroll_up = NULL,
+	.scroll_down = NULL
 };