[OMPI devel] MPI_Ireduce_scatter_block hangs

2012-07-12 Thread Mikhail Kurnosov
Hello, In the case of single process the MPI_Ireduce_scatter_block is segfaulting with v1.9a1r26786. But in other cases (commsize >= 2) processes hang in MPI_Ireduce_scatter_block. The NBC_Progress hangs during rounds processing. The following example illustrates this problem: $ cat ireduc

[OMPI devel] Still bothered / cannot run an application

2012-07-12 Thread Paul Kapinos
(cross-post to 'users' and 'devel' mailing lists) Dear Open MPI developer, a long time ago, I reported about an error in Open MPI: http://www.open-mpi.org/community/lists/users/2012/02/18565.php Well, in the 1.6 the behaviour has changed: the test case don't hang forever and block an InfiniBand

Re: [OMPI devel] [EXTERNAL] MPI_Ireduce_scatter_block hangs

2012-07-12 Thread Barrett, Brian W
Hello - Thank you for the bug report. This has been fixed in the trunk. Brian On 7/12/12 1:46 AM, "Mikhail Kurnosov" wrote: >Hello, > >In the case of single process the MPI_Ireduce_scatter_block is >segfaulting with v1.9a1r26786. > >But in other cases (commsize >= 2) processes hang in >MPI_Ir

[OMPI devel] Summary of the problem with r26626

2012-07-12 Thread Nathan Hjelm
After some digging Terry and I discovered the problem with r26626. To perform an rdma transaction pmls used to explicitly promote the seg_addr from prepare_src/dst to 64-bits before sending it over the wire. The other end would then (inconsistently) use the lval to perform the get/put. Segments

Re: [OMPI devel] RFC: enable the use of source in platform files

2012-07-12 Thread Nathan Hjelm
I wouln't consider sourced variables being overritten by the sourcing platform file a problem. I can update the platform file documentation to make sure this behavior is clear. Can you point me at the right faq page? -Nathan On Mon, Jul 09, 2012 at 08:36:41PM -0700, Ralph Castain wrote: > Okay,