diff -Nur bsd_tcpip.bak/current/ChangeLog bsd_tcpip/current/ChangeLog
--- bsd_tcpip.bak/current/ChangeLog	2004-08-18 18:40:52.000000000 +0900
+++ bsd_tcpip/current/ChangeLog	2004-12-24 09:01:36.000000000 +0900
@@ -1,3 +1,8 @@
+2004-12-24  Motoya Kurotsu  <kurotsu@allied-telesis.co.jp>
+
+	* src/sys/kern/kern_sysctl.c: set mutex_init to one to prevent 
+	mutex being initialized multiple times.
+
 2004-08-18  Andrew Lunn  <andrew.lunn@ascom.ch>
 
 	* src/ecos/support.c (show_net_times): Removed stats_in_cksum.
diff -Nur bsd_tcpip.bak/current/src/sys/kern/kern_sysctl.c bsd_tcpip/current/src/sys/kern/kern_sysctl.c
--- bsd_tcpip.bak/current/src/sys/kern/kern_sysctl.c	2003-11-22 21:59:21.000000000 +0900
+++ bsd_tcpip/current/src/sys/kern/kern_sysctl.c	2004-12-24 08:41:17.000000000 +0900
@@ -963,6 +963,7 @@
 
         if (!mutex_init) {
           cyg_mutex_init(&mutex);
+          mutex_init = 1;
         }
 
 	bzero(&req, sizeof req);