diff -urN 2.4.18pre4/arch/i386/kernel/i386_ksyms.c show/arch/i386/kernel/i386_ksyms.c
--- 2.4.18pre4/arch/i386/kernel/i386_ksyms.c	Tue Nov 13 18:13:20 2001
+++ show/arch/i386/kernel/i386_ksyms.c	Tue Jan 22 02:17:54 2002
@@ -173,3 +173,4 @@
 
 extern int is_sony_vaio_laptop;
 EXPORT_SYMBOL(is_sony_vaio_laptop);
+EXPORT_SYMBOL(show_stack);
diff -urN 2.4.18pre4/include/linux/sched.h show/include/linux/sched.h
--- 2.4.18pre4/include/linux/sched.h	Fri Dec 21 18:42:03 2001
+++ show/include/linux/sched.h	Tue Jan 22 02:17:41 2002
@@ -145,6 +145,7 @@
 extern void sched_init(void);
 extern void init_idle(void);
 extern void show_state(void);
+extern void show_stack(unsigned long * esp);
 extern void cpu_init (void);
 extern void trap_init(void);
 extern void update_process_times(int user);