diff --git a/drivers/net/mmnif.c b/drivers/net/mmnif.c
index 4a3e2d93..ba491915 100644
--- a/drivers/net/mmnif.c
+++ b/drivers/net/mmnif.c
@@ -85,7 +85,7 @@ static int active = 0;
 
 /* decide wheter it's uses locking or not
  */
-static int disable_locking = 0;
+static int disable_locking = 1;
 
 /* decide whether deliver work to a worker thread or instantly process all packets
  */
diff --git a/kernel/tests.c b/kernel/tests.c
index 1b659dcb..8bc3ce6c 100644
--- a/kernel/tests.c
+++ b/kernel/tests.c
@@ -216,7 +216,7 @@ void* server_task(void* e)
 
     for (n = 0; n < 1024 ; n++)
     {
-        kprintf("\r%d-",n);
+        kprintf("%d-",n);
         send(newsockfd,buffer,sizeof(buffer),0);
         udelay(1000);
     }