Probably a bug. Can you open an issue on github? -Nathan
> On May 8, 2017, at 2:16 PM, Dahai Guo <dahai....@gmail.com> wrote: > > > Hi, > > The attached test code pass with MPICH well, but has problems with OpenMPI. > > There are three tests in the code, the first passes, the second one hangs, > and the third one results in seg. fault and core dump. > > The hanging seemed caused by the handle in the function > ompi_coll_libnbc_ialltoallw in mca/coll/libnbc/nbc_ialltoallw.c, where it is > not set correctly for the request, based on the input parameters. > > The the seg fault is caused by ompi_datatype_type_size(sendtypes[me], > &sendtype_size); //sendtypes[me] = NULL. > > any suggestion? > > Dahai > > <ialltoallvw_zero.c>_______________________________________________ > devel mailing list > devel@lists.open-mpi.org > https://rfd.newmexicoconsortium.org/mailman/listinfo/devel _______________________________________________ devel mailing list devel@lists.open-mpi.org https://rfd.newmexicoconsortium.org/mailman/listinfo/devel
