1 files changed, 2 insertions, 0 deletions
diff --git a/src/transport/net_ib.cc b/src/transport/net_ib.cc
index 1a832f2..97eca9f 100644
--- a/src/transport/net_ib.cc
+++ b/src/transport/net_ib.cc
@@ -112,6 +112,7 @@ static int ncclIbSpeed(int speed) {
 }
 
 ncclResult_t ncclIbInit(ncclDebugLogger_t logFunction) {
+  static int shownIbHcaEnv = 0;
   if(wrap_ibv_symbols() != ncclSuccess) { return ncclInternalError; }
   if (ncclParamIbDisable()) return ncclInternalError;
 
@@ -131,6 +132,7 @@ ncclResult_t ncclIbInit(ncclDebugLogger_t logFunction) {
 
       // Check if user defined which IB device:port to use
       char* userIbEnv = getenv("NCCL_IB_HCA");
+      if (userIbEnv != NULL && shownIbHcaEnv++ == 0) INFO(NCCL_NET|NCCL_ENV, "NCCL_IB_HCA set to %s", userIbEnv);
       struct netIf userIfs[MAX_IB_DEVS];
       bool searchNot = userIbEnv && userIbEnv[0] == '^';
       if (searchNot) userIbEnv++;