diff -urP -X patch.exclude linux-2.4.0-test9-kb-rts/kernel/printk.c linux/kernel/printk.c
--- linux-2.4.0-test9-kb-rts/kernel/printk.c	Wed Jul  5 11:00:21 2000
+++ linux/kernel/printk.c	Thu Nov  2 10:17:20 2000
@@ -312,6 +312,64 @@
 	return i;
 }
 
+#if defined(CONFIG_KGDB) && defined(CONFIG_PREEMPT)
+asmlinkage int printk_unlocked(const char *fmt, ...)
+{
+	va_list args;
+	int i;
+	char *msg, *p, *buf_end;
+	int line_feed;
+	static signed char msg_level = -1;
+
+	va_start(args, fmt);
+	i = vsprintf(buf + 3, fmt, args); /* hopefully i < sizeof(buf)-4 */
+	buf_end = buf + 3 + i;
+	va_end(args);
+	for (p = buf + 3; p < buf_end; p++) {
+		msg = p;
+		if (msg_level < 0) {
+			if (
+				p[0] != '<' ||
+				p[1] < '0' || 
+				p[1] > '7' ||
+				p[2] != '>'
+			) {
+				p -= 3;
+				p[0] = '<';
+				p[1] = default_message_loglevel + '0';
+				p[2] = '>';
+			} else
+				msg += 3;
+			msg_level = p[1] - '0';
+		}
+		line_feed = 0;
+		for (; p < buf_end; p++) {
+			log_buf[(log_start+log_size) & LOG_BUF_MASK] = *p;
+			if (log_size < LOG_BUF_LEN)
+				log_size++;
+			else
+				log_start++;
+
+			logged_chars++;
+			if (*p == '\n') {
+				line_feed = 1;
+				break;
+			}
+		}
+		if (msg_level < console_loglevel && console_drivers) {
+			struct console *c = console_drivers;
+			while(c) {
+				if ((c->flags & CON_ENABLED) && c->write)
+					c->write(c, msg, p - msg + line_feed);
+				c = c->next;
+			}
+		}
+		if (line_feed)
+			msg_level = -1;
+	}
+	return i;
+}
+#endif
 void console_print(const char *s)
 {
 	struct console *c;