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MPI_Waitall doesn't return MPI_ERR_IN_STATUS for persistent request

Status: Open.

#13432 In open-mpi/ompi;

· mentOS31 opened on Oct 10, 2025

with clang 21.1.3 as wrapper compiler for cuda-aware openmpi-5.0.8 and compile options -fopenmp and -fopenmp-targets=nvptx64-nvidia-cuda one gets the message "The call to cuMemHostRegister(0x7fb38c000000, 134217728, 0) failed." for every code with OpenMPI

Status: Open.

#13431 In open-mpi/ompi;

· bschulz81 opened on Oct 10, 2025

segfault due to thread-unsafe getenv() call

Status: Open.

#13428 In open-mpi/ompi;

· zsalvet opened on Oct 9, 2025

Failing to MPI_Comm_spawn proc on different node with running PRTED but no running MPI rank

Status: Open.

#13427 In open-mpi/ompi;

· renatobhf opened on Oct 9, 2025

Oversubscription error appears when changing to 5.0.8 (from 4.1.4)

Status: Open.

#13426 In open-mpi/ompi;

· skwde opened on Oct 9, 2025

Variable forwarding in case of spawn not working for children

Status: Open.

#13399 In open-mpi/ompi;

· hamme74 opened on Sep 9, 2025

cm/psm2 fails to get key from PMIx

Status: Open.

#13397 In open-mpi/ompi;

· schiotz opened on Sep 5, 2025

Open-Coarrays and gfortran-15 with OpenMPI

question

Status: Open.

#13385 In open-mpi/ompi;

· amckinstry opened on Aug 27, 2025

Allow use of OFI BTL with RXM

Status: Open.

#13383 In open-mpi/ompi;

· jakemoroni opened on Aug 26, 2025

NAG Fortran support broken in v5.0.8

Status: Open.

#13380 In open-mpi/ompi;

· mathomp4 opened on Aug 25, 2025

ompio <code>collective_buffering</code> MPI_Info hint does not work correctly

Status: Open.

#13377 In open-mpi/ompi;

· carns opened on Aug 24, 2025

ompio produces adverse, conflicting access patterns for some collective writes

Status: Open.

#13376 In open-mpi/ompi;

· carns opened on Aug 24, 2025