diff -r -U4 rp-l2tp-0.4/debug.c rp-l2tp-0.4+syslog/debug.c
--- rp-l2tp-0.4/debug.c	2002-09-30 20:45:00.000000000 +0100
+++ rp-l2tp-0.4+syslog/debug.c	2009-11-02 14:59:19.000000000 +0000
@@ -19,8 +19,9 @@
 #include "l2tp.h"
 #include <stdio.h>
 #include <stdarg.h>
 #include <sys/time.h>
+#include <syslog.h>
 #include <unistd.h>
 
 #define AVPCASE(x) case AVP_ ## x: return #x
 #define MSGCASE(x) case MESSAGE_ ## x: return #x
@@ -28,9 +29,12 @@
 static unsigned long debug_mask = 0;
 
 /* Big bang is when the universe started... set by first call
    to db */
+#if 0
 static struct timeval big_bang = {0, 0};
+#endif
+static int big_bang = 0;
 
 /**********************************************************************
 * %FUNCTION: debug_avp_type_to_str
 * %ARGUMENTS:
@@ -167,13 +171,15 @@
 void
 l2tp_db(int what, char const *fmt, ...)
 {
     va_list ap;
+#if 0
     struct timeval now;
     long sec_diff, usec_diff;
+#endif
 
-    if (!(debug_mask & what)) return;
-
+    if (what > 0 && !(debug_mask & what)) return;
+#if 0
     gettimeofday(&now, NULL);
 
     if (!big_bang.tv_sec) {
 	big_bang = now;
@@ -188,12 +194,21 @@
     }
 
     /* Convert to seconds.milliseconds */
     usec_diff /= 1000;
+#endif
+
+    if (!big_bang) {
+	openlog("rp-l2tpd", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_DAEMON);
+	big_bang = 1;
+    }
 
     va_start(ap, fmt);
+#if 0
     fprintf(stderr, "%4ld.%03ld ", sec_diff, usec_diff);
     vfprintf(stderr, fmt, ap);
+#endif
+    vsyslog(what == 0 ? LOG_NOTICE : LOG_DEBUG, fmt, ap);
     va_end(ap);
 }
 
 /**********************************************************************
diff -r -U4 rp-l2tp-0.4/main.c rp-l2tp-0.4+syslog/main.c
--- rp-l2tp-0.4/main.c	2002-09-30 20:45:00.000000000 +0100
+++ rp-l2tp-0.4+syslog/main.c	2009-11-02 14:58:38.000000000 +0000
@@ -111,12 +111,14 @@
 	    if (i > 2) close(i);
 	}
     }
 
+    l2tp_db(0, "%s", "startup complete");
     while(1) {
 	i = Event_HandleEvent(es);
 	if (i < 0) {
 	    fprintf(stderr, "Event_HandleEvent returned %d\n", i);
+	    l2tp_db(0, "Event_HandleEvent returned %d", i);
 	    l2tp_cleanup();
 	    exit(EXIT_FAILURE);
 	}
     }
diff -r -U4 rp-l2tp-0.4/utils.c rp-l2tp-0.4+syslog/utils.c
--- rp-l2tp-0.4/utils.c	2002-09-30 20:45:00.000000000 +0100
+++ rp-l2tp-0.4+syslog/utils.c	2009-11-02 14:58:58.000000000 +0000
@@ -169,8 +169,9 @@
 
 void l2tp_die(void)
 {
     fprintf(stderr, "FATAL: %s\n", errmsg);
+    l2tp_db(0, "fatal error: %s", errmsg);
     l2tp_cleanup();
     exit(1);
 }