(I know you just got a very similar email -- but that was for ***3.0.6rc1*** -- this email is for ***3.1.6rc1***)
This may well be the end of the line for the v3.1.x series. Please test v3.1.6rc1: https://www.open-mpi.org/software/ompi/v3.1/ Changes since v3.1.5: - Fix PMIX dstore locking compilation issue. Thanks to Marco Atzeri for reporting the issue. - Allow the user to override modulefile_path in the Open MPI SRPM, even if install_in_opt is set to 1. - Properly detect ConnectX-6 HCAs in the openib BTL. - Fix segfault in the MTL/OFI initialization for large jobs. - Fix issue to guarantee to properly release MPI one-sided lock when using UCX transports to avoid a deadlock. - Fix potential deadlock when processing outstanding transfers with uGNI transports. - Fix various portals4 control flow bugs. - Fix communications ordering for alltoall and Cartesian neighborhood collectives. - Fix an infinite recursion crash in the memory patcher on systems with glibc v2.26 or later (e.g., Ubuntu 18.04) when using certain OS-bypass interconnects. -- Jeff Squyres jsquy...@cisco.com