diff --git a/ompi/mca/mtl/ofi/mtl_ofi.c b/ompi/mca/mtl/ofi/mtl_ofi.c
index 1f4abb72ba..ed6aae6bc4 100644
--- a/ompi/mca/mtl/ofi/mtl_ofi.c
+++ b/ompi/mca/mtl/ofi/mtl_ofi.c
@@ -110,6 +110,15 @@ ompi_mtl_ofi_add_procs(struct mca_mtl_base_module_t *mtl,
      */
     for (i = 0; i < nprocs; ++i) {
         endpoint = OBJ_NEW(mca_mtl_ofi_endpoint_t);
+        if (NULL == endpoint) {
+            opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
+                                "%s:%d: mtl/ofi: could not allocate endpoint"
+                                " structure\n",
+                                __FILE__, __LINE__);
+            ret = OMPI_ERROR;
+            goto bail;
+        }
+
         endpoint->mtl_ofi_module = &ompi_mtl_ofi;
         endpoint->peer_fiaddr = fi_addrs[i];
 
diff --git a/ompi/mca/mtl/ofi/mtl_ofi.h b/ompi/mca/mtl/ofi/mtl_ofi.h
index 2bb95ab4a2..d5cd1f8ace 100644
--- a/ompi/mca/mtl/ofi/mtl_ofi.h
+++ b/ompi/mca/mtl/ofi/mtl_ofi.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2015 Intel, Inc. All rights reserved
+ * Copyright (c) 2013-2016 Intel, Inc. All rights reserved
  *
  * $COPYRIGHT$
  *
@@ -51,10 +51,6 @@ BEGIN_C_DECLS
 extern mca_mtl_ofi_module_t ompi_mtl_ofi;
 extern mca_base_framework_t ompi_mtl_base_framework;
 
-extern int ompi_mtl_ofi_add_procs(struct mca_mtl_base_module_t *mtl,
-                                  size_t nprocs,
-                                  struct ompi_proc_t **procs);
-
 extern int ompi_mtl_ofi_del_procs(struct mca_mtl_base_module_t *mtl,
                                   size_t nprocs,
                                   struct ompi_proc_t **procs);
@@ -236,7 +232,7 @@ ompi_mtl_ofi_send_start(struct mca_mtl_base_module_t *mtl,
     ompi_mtl_ofi_request_t *ack_req = NULL; /* For synchronous send */
 
     ompi_proc = ompi_comm_peer_lookup(comm, dest);
-    endpoint = ompi_proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_MTL];
+    endpoint = ompi_mtl_ofi_get_endpoint(mtl, ompi_proc);
 
     ompi_ret = ompi_mtl_datatype_pack(convertor, &start, &length, &free_after);
     if (OMPI_SUCCESS != ompi_ret) return ompi_ret;
@@ -267,6 +263,7 @@ ompi_mtl_ofi_send_start(struct mca_mtl_base_module_t *mtl,
             opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
                                 "%s:%d: fi_trecv failed: %s(%zd)",
                                 __FILE__, __LINE__, fi_strerror(-ret), ret);
+            free(ack_req);
             return ompi_mtl_ofi_get_error(ret);
         }
     } else {
@@ -285,6 +282,10 @@ ompi_mtl_ofi_send_start(struct mca_mtl_base_module_t *mtl,
             opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
                                 "%s:%d: fi_tinject failed: %s(%zd)",
                                 __FILE__, __LINE__, fi_strerror(-ret), ret);
+            if (ack_req) {
+                fi_cancel((fid_t)ompi_mtl_ofi.ep, &ack_req->ctx);
+                free(ack_req);
+            }
             return ompi_mtl_ofi_get_error(ret);
         }
 
@@ -461,7 +462,7 @@ ompi_mtl_ofi_recv_callback(struct fi_cq_tagged_entry *wc,
         if (ompi_mtl_ofi.any_addr == ofi_req->remote_addr) {
             src = MTL_OFI_GET_SOURCE(wc->tag);
             ompi_proc = ompi_comm_peer_lookup(ofi_req->comm, src);
-            endpoint = ompi_proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_MTL];
+            endpoint = ompi_mtl_ofi_get_endpoint(ofi_req->mtl, ompi_proc);
             ofi_req->remote_addr = endpoint->peer_fiaddr;
         }
 	    MTL_OFI_RETRY_UNTIL_DONE(fi_tsend(ompi_mtl_ofi.ep,
@@ -533,7 +534,7 @@ ompi_mtl_ofi_irecv(struct mca_mtl_base_module_t *mtl,
 
     if (MPI_ANY_SOURCE != src) {
         ompi_proc = ompi_comm_peer_lookup(comm, src);
-        endpoint = ompi_proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_MTL];
+        endpoint = ompi_mtl_ofi_get_endpoint(mtl, ompi_proc);
         remote_addr = endpoint->peer_fiaddr;
     } else {
         remote_addr = ompi_mtl_ofi.any_addr;
@@ -745,7 +746,7 @@ ompi_mtl_ofi_iprobe(struct mca_mtl_base_module_t *mtl,
      */
     if (MPI_ANY_SOURCE != src) {
         ompi_proc = ompi_comm_peer_lookup( comm, src );
-        endpoint = ompi_proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_MTL];
+        endpoint = ompi_mtl_ofi_get_endpoint(mtl, ompi_proc);
         remote_proc = endpoint->peer_fiaddr;
     }
 
@@ -830,7 +831,7 @@ ompi_mtl_ofi_improbe(struct mca_mtl_base_module_t *mtl,
      */
     if (MPI_ANY_SOURCE != src) {
         ompi_proc = ompi_comm_peer_lookup( comm, src );
-        endpoint = ompi_proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_MTL];
+        endpoint = ompi_mtl_ofi_get_endpoint(mtl, ompi_proc);
         remote_proc = endpoint->peer_fiaddr;
     }
 
@@ -865,11 +866,13 @@ ompi_mtl_ofi_improbe(struct mca_mtl_base_module_t *mtl,
          * The search request completed but no matching message was found.
          */
         *matched = 0;
+        free(ofi_req);
         return OMPI_SUCCESS;
     } else if (OPAL_UNLIKELY(0 > ret)) {
         opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
                             "%s:%d: fi_trecvmsg failed: %s(%zd)",
                             __FILE__, __LINE__, fi_strerror(-ret), ret);
+        free(ofi_req);
         return ompi_mtl_ofi_get_error(ret);
     }
 
@@ -895,6 +898,7 @@ ompi_mtl_ofi_improbe(struct mca_mtl_base_module_t *mtl,
 
     } else {
         (*message) = MPI_MESSAGE_NULL;
+        free(ofi_req);
     }
 
     return OMPI_SUCCESS;
@@ -962,7 +966,6 @@ ompi_mtl_ofi_del_comm(struct mca_mtl_base_module_t *mtl,
     return OMPI_SUCCESS;
 }
 
-
 END_C_DECLS
 
 #endif  /* MTL_OFI_H_HAS_BEEN_INCLUDED */
diff --git a/ompi/mca/mtl/ofi/mtl_ofi_component.c b/ompi/mca/mtl/ofi/mtl_ofi_component.c
index 6b4fa3f4b2..1469fe767b 100644
--- a/ompi/mca/mtl/ofi/mtl_ofi_component.c
+++ b/ompi/mca/mtl/ofi/mtl_ofi_component.c
@@ -1,6 +1,6 @@
 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
 /*
- * Copyright (c) 2013-2015 Intel, Inc. All rights reserved
+ * Copyright (c) 2013-2016 Intel, Inc. All rights reserved
  *
  * Copyright (c) 2014-2015 Cisco Systems, Inc.  All rights reserved.
  * Copyright (c) 2015      Los Alamos National Security, LLC.  All rights
@@ -241,6 +241,7 @@ ompi_mtl_ofi_component_init(bool enable_progress_threads,
     hints->domain_attr->threading        = FI_THREAD_UNSPEC;
     hints->domain_attr->control_progress = FI_PROGRESS_MANUAL;
     hints->domain_attr->resource_mgmt    = FI_RM_ENABLED;
+    hints->domain_attr->av_type          = FI_AV_MAP;
 
     /**
      * FI_VERSION provides binary backward and forward compatibility support
diff --git a/ompi/mca/mtl/ofi/mtl_ofi_endpoint.h b/ompi/mca/mtl/ofi/mtl_ofi_endpoint.h
index 2799d495b5..788d091916 100644
--- a/ompi/mca/mtl/ofi/mtl_ofi_endpoint.h
+++ b/ompi/mca/mtl/ofi/mtl_ofi_endpoint.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2015 Intel, Inc. All rights reserved
+ * Copyright (c) 2013-2016 Intel, Inc. All rights reserved
  *
  * $COPYRIGHT$
  *
@@ -11,10 +11,12 @@
 #ifndef OMPI_MTL_OFI_ENDPOINT_H
 #define OMPI_MTL_OFI_ENDPOINT_H
 
-#include "mtl_ofi.h"
-
 BEGIN_C_DECLS
 
+extern int ompi_mtl_ofi_add_procs(struct mca_mtl_base_module_t *mtl,
+                                  size_t nprocs,
+                                  struct ompi_proc_t **procs);
+
 OBJ_CLASS_DECLARATION(mca_mtl_ofi_endpoint_t);
 
 /**
@@ -35,7 +37,15 @@ struct mca_mtl_ofi_endpoint_t {
 };
 
 typedef struct mca_mtl_ofi_endpoint_t  mca_mtl_ofi_endpoint_t;
-OBJ_CLASS_DECLARATION(mca_mtl_ofi_endpoint);
+
+static inline mca_mtl_ofi_endpoint_t *ompi_mtl_ofi_get_endpoint (struct mca_mtl_base_module_t* mtl, ompi_proc_t *ompi_proc)
+{
+    if (OPAL_UNLIKELY(NULL == ompi_proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_MTL])) {
+        ompi_mtl_ofi_add_procs(mtl, 1, &ompi_proc);
+    }
+
+    return ompi_proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_MTL];
+}
 
 END_C_DECLS
 #endif
diff --git a/ompi/mca/mtl/ofi/mtl_ofi_request.h b/ompi/mca/mtl/ofi/mtl_ofi_request.h
index ee544073cc..5e2faad645 100644
--- a/ompi/mca/mtl/ofi/mtl_ofi_request.h
+++ b/ompi/mca/mtl/ofi/mtl_ofi_request.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2015 Intel, Inc. All rights reserved
+ * Copyright (c) 2013-2016 Intel, Inc. All rights reserved
  *
  * $COPYRIGHT$
  *
@@ -55,6 +55,10 @@ struct ompi_mtl_ofi_request_t {
     /*  lookup source of an ANY_SOURCE Recv    */
     struct ompi_communicator_t *comm;
 
+    /** Reference to the MTL used to lookup */
+    /*  source of an ANY_SOURCE Recv        */
+    struct mca_mtl_base_module_t* mtl;
+
     /** Pack buffer */
     void *buffer;
 
diff --git a/ompi/mca/mtl/ofi/mtl_ofi_types.h b/ompi/mca/mtl/ofi/mtl_ofi_types.h
index e56a439896..1b1bdb1e1c 100644
--- a/ompi/mca/mtl/ofi/mtl_ofi_types.h
+++ b/ompi/mca/mtl/ofi/mtl_ofi_types.h
@@ -84,7 +84,7 @@ typedef struct mca_mtl_ofi_component_t {
     {                                                                   \
         match_bits = contextid;                                         \
         match_bits = (match_bits << 16);                                \
-        match_bits |= source;                                           \
+        match_bits |= (uint64_t)source;                                 \
         match_bits = (match_bits << 32);                                \
         match_bits |= (MTL_OFI_TAG_MASK & tag) | type;                  \
     }
@@ -106,7 +106,7 @@ typedef struct mca_mtl_ofi_component_t {
             match_bits = (match_bits << 32);                            \
             mask_bits |= MTL_OFI_SOURCE_MASK;                           \
         } else {                                                        \
-            match_bits |= source;                                       \
+            match_bits |= (uint64_t)source;                             \
             match_bits = (match_bits << 32);                            \
         }                                                               \
                                                                         \