There is a new 3.3.24 release of opensm. https://github.com/linux-rdma/opensm/releases/tag/3.3.24 Changes since 3.3.23: Add support for NDR link speed, improvements and bug fixes as noted below and in release notes See https://github.com/linux-rdma/opensm/tree/master/doc/opensm_release_notes-3.3.txt Full list of changes is below: Or Nechemia (3): Support NDR devices Backward compatibility for old drivers Remove redundant negativity check of size_t type, which is unsigned thus non negative. Tamir Ronen (3): Update shared (internal) library versions in accordance with changes since OpenSM 3.3.23 configure.ac: Update package number for OpenSM to 3.3.24 for release Update opensm_release_notes-3.3.txt tamirronen (3): Merge pull request #21 from kleindaniel7/allow_mcmr_with_default_prefix Merge pull request #23 from kleindaniel7/fix_2x_width_check Merge pull request #25 from ornechemia/ndr_support Aleksandr Minchiu (2): libopensm/osm_helper.c: Fix printing trap 259 details libopensm/osm_helper.c: Fix printing trap 256 details Daniel Klein (2): osm_sa_mcmember_record.c: Allow MCMR requests with default subnet prefix osm_link_mgr.c: Fix checking if port support link width 2x