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MPI standard ABI: attribute callbacks abort for predefined datatypes

Status: Open.

#7916 In pmodels/mpich;

· eschnett opened on Aug 1, 2026

Intel icx + -fvisibility=hidden hides weak MPI_* aliases from libmpi.so

Status: Open.

#7913 In pmodels/mpich;

· jeffhammond opened on Jul 31, 2026

MPI_Reduce produces wrong answer when using MPI_REAL + MPI_SUM for Fortran

aurora

Status: Open.

#7911 In pmodels/mpich;

· colleeneb opened on Jul 31, 2026

RPM building

Status: Open.

#7906 In pmodels/mpich;

· Growl1234 opened on Jul 27, 2026

More error checking in MPI_Neighbour_* functions?

Status: Open.

#7899 In pmodels/mpich;

· eschnett opened on Jul 23, 2026

Feature request: Adding a CVAR to better support oversubscription

Status: Open.

#7894 In pmodels/mpich;

· dalcinl opened on Jul 22, 2026

Sigsegv in in mpidig_rma_callbacks.c for MPI_Get with "MPIR_CVAR_CH4_OFI_ENABLE_RMA=0" and a lot of traffic

aurora

Status: Open.

#7884 In pmodels/mpich;

· colleeneb opened on Jul 17, 2026

Assertion failed in ofi_am_impl.h for MPI_Get with "MPIR_CVAR_CH4_OFI_ENABLE_RMA=0"

aurora

Status: Open.

#7881 In pmodels/mpich;

· colleeneb opened on Jul 15, 2026

AURORA - MPI_THREAD_MULTIPLE - Random hangs encountered?

aurora

Status: Open.

#7880 In pmodels/mpich;

· brianhol42 opened on Jul 15, 2026

ch4/ofi: MPICH hangs when VPN interface is selected by libfabric provider

Status: Open.

#7863 In pmodels/mpich;

· raffenet opened on Jul 1, 2026

MPI_Session fail when running concurently with a MPI program

aurora

Status: Open.

#7852 In pmodels/mpich;

· TApplencourt opened on Jun 24, 2026

Possible bug due to failing cudaMemcpyAsync

Status: Open.

#7819 In pmodels/mpich;

· nmnobre opened on May 27, 2026