I believe we turned that component completely off, though it may have happened after rc6 was rolled (I'll check to make sure we did) - you definitely don't want to build it as it is broken and will often segfault.

On Jan 25, 2013, at 6:16 PM, Paul Hargrove <phhargrove@lbl.gov> wrote:

While building 1.7rc6 on a i386 w/ InfiniBand I saw numerous instances of this warning:
   ../../../../../orte/mca/oob/ud/oob_ud.h:93: warning: cast from pointer to integer of different size

The following 1-line change fixes this.
Alternatively, a single cast to type uintptr_t is probably sufficient.

--- openmpi-1.7rc6/orte/mca/oob/ud/oob_ud.h~    2013-01-25 18:03:20.000000000 -0800
+++ openmpi-1.7rc6/orte/mca/oob/ud/oob_ud.h     2013-01-25 18:03:37.000000000 -0800
@@ -90,7 +90,7 @@ static inline void mca_oob_ud_fill_recv_
 static inline void mca_oob_ud_fill_sge (struct ibv_sge *sge, void *addr,
                                         uint32_t length, uint32_t lkey)
 {
-    sge->addr   = (uint64_t)addr;
+    sge->addr   = (uint64_t)(uintptr_t)addr;
     sge->length = length;
     sge->lkey   = lkey;
 }


-Paul

--
Paul H. Hargrove                          PHHargrove@lbl.gov
Future Technologies Group
Computer and Data Sciences Department     Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900
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