--- arch/ppc/kernel/traps.c.orig	Sun Jul  6 02:36:56 2003
+++ arch/ppc/kernel/traps.c	Sun Jul  6 02:36:49 2003
@@ -346,6 +346,12 @@
 	return 0;
 }
 
+void 
+show_stack(struct task_struct *task, unsigned long * sp)
+{
+	printk(KERN_CRIT "arch/ppc/kernel/traps.c::show_stack() called but not implemented!\n");
+}
+
 void
 ProgramCheckException(struct pt_regs *regs)
 {