diff -urN --exclude-from=/home/davej/.exclude linux-2.4.15pre6/kernel/panic.c linux-ac/kernel/panic.c
--- linux-2.4.15pre6/kernel/panic.c	Sun Sep 30 19:26:08 2001
+++ linux-ac/kernel/panic.c	Mon Nov 19 14:09:24 2001
@@ -96,6 +96,10 @@
 #endif
 	sti();
 	for(;;) {
+#if defined(__i386__) && defined(CONFIG_VT) 
+		extern void panic_blink(void);
+		panic_blink(); 
+#endif
 		CHECK_EMERGENCY_SYNC
 	}
 }
diff -urN --exclude-from=/home/davej/.exclude linux-2.4.15pre6/drivers/char/pc_keyb.c linux-ac/drivers/char/pc_keyb.c
--- linux-2.4.15pre6/drivers/char/pc_keyb.c	Mon Nov 19 13:40:54 2001
+++ linux-ac/drivers/char/pc_keyb.c	Mon Nov 19 14:09:20 2001
@@ -1215,3 +1215,26 @@
 }
 
 #endif /* CONFIG_PSMOUSE */
+
+
+/* Tell the user who may be running in X and not see the console that we have 
+   panic'ed. This is to distingush panics from "real" lockups. 
+   Could in theory send the panic message as morse, but that is left as an
+   exercise for the reader.  */ 
+void panic_blink(void)
+{ 
+	static unsigned long last_jiffie;
+	static char led;
+	/* Roughly 1/2s frequency. KDB uses about 1s. Make sure it is 
+	   different. */
+	if (jiffies - last_jiffie > HZ/2) {
+		led ^= 0x01 | 0x04;
+		while (kbd_read_status() & KBD_STAT_IBF) mdelay(1); 
+		kbd_write_output(KBD_CMD_SET_LEDS);
+		mdelay(1); 
+		while (kbd_read_status() & KBD_STAT_IBF) mdelay(1); 
+		mdelay(1); 
+		kbd_write_output(led);
+		last_jiffie = jiffies;
+	}
+}