diff -urN libibverbs-1.1.6/examples/rc_pingpong.c libibverbs-1.1.6-test/examples/rc_pingpong.c
--- libibverbs-1.1.6/examples/rc_pingpong.c	2011-07-28 07:36:13.000000000 +0900
+++ libibverbs-1.1.6-test/examples/rc_pingpong.c	2013-09-24 15:48:30.855599885 +0900
@@ -473,14 +473,15 @@
 {
 	struct ibv_sge list = {
 		.addr	= (uintptr_t) ctx->buf,
-		.length = ctx->size,
+		.length = 0, /* ctx->size, */
 		.lkey	= ctx->mr->lkey
 	};
 	struct ibv_send_wr wr = {
 		.wr_id	    = PINGPONG_SEND_WRID,
 		.sg_list    = &list,
 		.num_sge    = 1,
-		.opcode     = IBV_WR_SEND,
+		.opcode     = IBV_WR_SEND_WITH_IMM,
+		.imm_data   = 0,
 		.send_flags = IBV_SEND_SIGNALED,
 	};
 	struct ibv_send_wr *bad_wr;
diff -urN libibverbs-1.1.6/examples/uc_pingpong.c libibverbs-1.1.6-test/examples/uc_pingpong.c
--- libibverbs-1.1.6/examples/uc_pingpong.c	2011-07-28 07:36:13.000000000 +0900
+++ libibverbs-1.1.6-test/examples/uc_pingpong.c	2013-09-24 15:47:06.339599197 +0900
@@ -461,14 +461,15 @@
 {
 	struct ibv_sge list = {
 		.addr	= (uintptr_t) ctx->buf,
-		.length = ctx->size,
+		.length = 0, /* ctx->size, */
 		.lkey	= ctx->mr->lkey
 	};
 	struct ibv_send_wr wr = {
 		.wr_id	    = PINGPONG_SEND_WRID,
 		.sg_list    = &list,
 		.num_sge    = 1,
-		.opcode     = IBV_WR_SEND,
+		.opcode     = IBV_WR_SEND_WITH_IMM,
+		.imm_data   = 0,
 		.send_flags = IBV_SEND_SIGNALED,
 	};
 	struct ibv_send_wr *bad_wr;
diff -urN libibverbs-1.1.6/examples/ud_pingpong.c libibverbs-1.1.6-test/examples/ud_pingpong.c
--- libibverbs-1.1.6/examples/ud_pingpong.c	2011-07-28 07:36:13.000000000 +0900
+++ libibverbs-1.1.6-test/examples/ud_pingpong.c	2013-09-24 16:08:58.435598452 +0900
@@ -464,14 +464,15 @@
 {
 	struct ibv_sge list = {
 		.addr	= (uintptr_t) ctx->buf + 40,
-		.length = ctx->size,
+		.length = 0, /* ctx->size, */
 		.lkey	= ctx->mr->lkey
 	};
 	struct ibv_send_wr wr = {
 		.wr_id	    = PINGPONG_SEND_WRID,
 		.sg_list    = &list,
 		.num_sge    = 1,
-		.opcode     = IBV_WR_SEND,
+		.opcode     = IBV_WR_SEND_WITH_IMM,
+		.imm_data   = 0,
 		.send_flags = IBV_SEND_SIGNALED,
 		.wr         = {
 			.ud = {