HI Folks, A few MPI I/O (both in OMPI I/O and ROMIO glue layer) bugs were found in the rc2 so we're doing an rc3.
Open MPI 2.1.3rc3 tarballs are available for testing at the usual place: https://www.open-mpi.org/software/ompi/v2.1/ This is a bug fix release for the Open MPI 2.1.x release stream. Items fixed in this release include the following: - Update internal PMIx version to 1.2.5. - Fix a problem with ompi_info reporting using param option. Thanks to Alexander Pozdneev for reporting. - Correct PMPI_Aint_{add|diff} to be functions (not subroutines) in the Fortran mpi_f08 module. - Fix a problem when doing MPI I/O using data types with large extents in conjunction with MPI_TYPE_CREATE_SUBARRAY. Thanks to Christopher Brady for reporting. - Fix a problem when opening many files using MPI_FILE_OPEN. Thanks to William Dawson for reporting. - Fix a problem with debuggers failing to attach to a running job. Thanks to Dirk Schubert for reporting. - Fix a problem when using madvise and the OpenIB BTL. Thanks to Timo Bingmann for reporting. - Fix a problem in the Vader BTL that resulted in failures of IMB under certain circumstances. Thanks to Nicolas Morey- Chaisemartin for reporting. - Fix a problem preventing Open MPI from working under Cygwin. Thanks to Marco Atzeri for reporting. - Reduce some verbosity being emitted by the USNIC BTL under certain circumstances. Thanks to Peter Forai for reporting. - Fix a problem with misdirection of SIGKILL. Thanks to Michael Fern for reporting. - Replace use of posix_memalign with malloc for small allocations. Thanks to Ben Menaude for reporting. - Fix a problem with Open MPI's out of band TCP network for file descriptors greater than 32767. Thanks to Wojtek Wasko for reporting and fixing. - Plug a memory leak in MPI_Mem_free(). Thanks to Philip Blakely for reporting. Thanks, Your Open MPI release team
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