diff --git a/kernel/tests.c b/kernel/tests.c
index 5e166a89..d36faa19 100644
--- a/kernel/tests.c
+++ b/kernel/tests.c
@@ -148,7 +148,7 @@ __inline int get_core_no(void)
 void* server_task(void* e)
 {
     int sockfd, newsockfd, portno, clilen;
-    char buffer[256];
+    char buffer[2048];
     struct sockaddr_in serv_addr, cli_addr;
     int  n;
     uint64_t tmp1,tmp2;
@@ -214,7 +214,7 @@ void* server_task(void* e)
 
     tmp1 = get_clock_tick();
 
-    for (n = 0; n < 1024*1024 ; n++)
+    for (n = 0; n < 1024 ; n++)
         send(newsockfd,buffer,sizeof(buffer),0);
 
     tmp2 = get_clock_tick();
@@ -226,7 +226,7 @@ void* server_task(void* e)
 
 void* client_task(void* e)
 {
-	char    dir[256];
+        char    dir[2048];
 	int	sd;
 	struct sockaddr_in sin;
 	struct sockaddr_in pin;