From 0f16ad966ab69ab8e9628a3ab3c70a06316cdf6f Mon Sep 17 00:00:00 2001
From: Wenkai Du <wenkai.du@amd.com>
Date: Mon, 26 Aug 2019 10:59:33 -0700
Subject: [PATCH] Set RDMA default to off state

---
 src/transport/net.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/transport/net.cc b/src/transport/net.cc
index 7991754f65..e93d9e2748 100644
--- a/src/transport/net.cc
+++ b/src/transport/net.cc
@@ -248,7 +248,7 @@ end:
 extern bool useFineGrainVramPcie;
 
 NCCL_PARAM(NetGdrRead, "NET_GDR_READ", -2);
-NCCL_PARAM(NetGdrLevel, "NET_GDR_LEVEL", PATH_PHB);
+NCCL_PARAM(NetGdrLevel, "NET_GDR_LEVEL", 0);
 
 static ncclResult_t netGetGdrSupport(int dev, int read, int* useGdr) {
   *useGdr = 0;