Fixed in master and I'm the 3.0.x branch. Try the nightly tarball.
> On Mar 9, 2018, at 10:01 AM, Alan Wild <a...@madllama.net> wrote: > > I’ve been running the OSU micro benchmarks ( > http://mvapich.cse.ohio-state.edu/benchmarks/ ). on my various MPI > installations. One test that has been consistently failing is osu_put_bibw > when compiled with either openmpi 3.0.0 or openmpi 3.0.1rc3 when these builds > have also linked in the Mellanox mxm, hcoll, and SHaRP libraries AND when > running this two rank test across two nodes communicating with EDR Infiniband. > > Fortunately this failure was true for both optimized and debug builds of > openmpi. > > Stepping into the code with Allinea DDT I think I found the issue... > > MPI_Win_post is ultimately calling ompi_osc_rdma_post_atomic() and on line > 245 there’s an if statement that reads: > > If (OPAL_UNLIKELY(OMPI_SUCCESS != ret)) { > return OMPI_ERR_OUT_OF_RESOURCE; > } > > (Sorry can’t easily cut and paste the code... my work PC can’t get to my > personal email so I have to post this from an iPad). > > Anyway, if you look at the proceeding ~16 lines of code... “ret” is never > initialized or assigned to in any way... (as far as I can tell). I’m not > completely familiar with the all the macros used, but it doesn’t appear that > any of them are assigning to “ret”. Surprised this isn’t causing more chaos. > > If I’m “right”.. is the right thing just to initialize ret to OMPI_SUCCESS or > perhaps should this condition just come out? > > Thoughts? > > -Alan > a...@madllama.net > -- > a...@madllama.net http://humbleville.blogspot.com > _______________________________________________ > devel mailing list > devel@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/devel
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