Issues

• OSX: Missing EREMOTEIO definition

  bugcore/util
  ofiwg/libfabric#12900 · Filter by author Matthew-Whitlock opened on Sep 25, 2026

• Revive FI_AV_MAP

  enhancement
  ofiwg/libfabric#12803 · Filter by author sunkuamzn opened on Sep 8, 2026

• cxi: NO_TRANSLATION fail on persistent device buffer w/ MR cache; FI_HMEM_ROCR_USE_DMABUF=0 suppresses

  bugprov/cxi
  ofiwg/libfabric#12775 · Filter by author paboyle opened on Sep 1, 2026
  3

• prov/cxi: Incorrect results, ONLY with FI_MR_CACHE_MAX_COUNT=0 or FI_MR_ROCR_CACHE_MONITOR_ENABLED=0: ROCm + Cray MPICH + libfabric, MPI transfers using hipMalloc'd device pointers at a non-zero offset from the allocation base

  bugprov/cxi
  ofiwg/libfabric#12773 · Filter by author paboyle opened on Aug 31, 2026

• cxi: fi_writedata / fi_injectdata are unimplemented stubs, so an FI_RMA consumer initialises and then fails on first transfer

  prov/cxi
  ofiwg/libfabric#12754 · Filter by author jbk708 opened on Aug 27, 2026
  3

• prov/tcp: Memory leaks detected by LSAN in fabtests with TCP provider

  bug
  ofiwg/libfabric#12715 · Filter by author sydidelot opened on Aug 23, 2026
  2

• verbs;ofi_rxd unusable on RoCE v2 with default GID index; verbs;ofi_rxm connection establishment stalls at ~8k connections/node

  ofiwg/libfabric#12673 · Filter by author WandLZhang opened on Aug 15, 2026
  2

• prov/shm: Intermittent MPI collective hang traced to the shm provider's connreq handshake

  bug
  ofiwg/libfabric#12542 · Filter by author Sbozzolo opened on Jul 14, 2026
  6

  

• prov/tcp (xnet): with FI_TCP_IFACE unset on a many-interface host, CM/rendezvous hangs indefinitely (no timeout) — same-host peers latch onto a wrong interface

  ofiwg/libfabric#12480 · Filter by author TSUMUGI-XE opened on Jul 6, 2026
  5

• prov/cxi: segfault with FI_MATCH_COMPLETE on small messages

  bugprov/cxi
  ofiwg/libfabric#12319 · Filter by author hzhou opened on Jun 1, 2026
  2

• verbs provider fails on Windows WSAENOTSOCK (10038) Socket operation on non-socket

  bugprov/verbswindows
  ofiwg/libfabric#12124 · Filter by author efschu opened on Apr 9, 2026

• prov/psm3: freezing due to lack of resources when sockets hal used

  bugprov/psm3
  ofiwg/libfabric#12077 · Filter by author tatarintsevsv opened on Mar 31, 2026

• prov/shm: Single node, GPU-enabled OSU runs with Open MPI fail at higher message sizes

  bughigh priorityprov/shm
  ofiwg/libfabric#11987 · Filter by author jfillers opened on Mar 12, 2026
  4

  

• prov/tcp: first fi_senddata sees EAGAIN until next remote side progress

  bugprov/tcp
  ofiwg/libfabric#11906 · Filter by author yexiangd opened on Feb 20, 2026
  6

• prov/cxi: Building the CXI provider in 2.4.0 fails to find OFI headers

  bugprov/cxi
  ofiwg/libfabric#11867 · Filter by author mkre opened on Feb 4, 2026
  1

  

• prov/hook: configure-flag for ofi_hook_profile overlaps flag for libfabric-wide profiling system

  enhancementprov/hook
  ofiwg/libfabric#11834 · Filter by author philippfriese opened on Jan 23, 2026
  1

  

• prov/rxm: Segmentation fault/double-linked list corruption in rxm_close_conn due to rxm_flush_msg_cq

  bugmed priorityprov/rxm
  ofiwg/libfabric#11828 · Filter by author dsciebu opened on Jan 22, 2026
  

• Idiomatic Rust binding

  enhancement
  ofiwg/libfabric#11812 · Filter by author kyle-yh-kim opened on Jan 16, 2026
  1

• prov/ucx: Missing support for FI_DIRECTED_RECV, as it is request by most MPICH and OpenMPI versions

  feature requestprov/ucx
  ofiwg/libfabric#11728 · Filter by author AOA-Mohammed opened on Dec 12, 2025
  2

• configure: error: CUDA support requested but CUDA runtime not available.

  ofiwg/libfabric#11720 · Filter by author skwde opened on Dec 10, 2025
  6

• prov/shm: SMR_MAX_PEERS too small for GH200

  bugmed priorityprov/shm
  ofiwg/libfabric#11671 · Filter by author angainor opened on Nov 26, 2025
  1

  

• prov/efa: Potential atomicity issue with ofi_copy_to_iov() for NCCL_PROTO=LL128 protocol support

  prov/EFA
  ofiwg/libfabric#11499 · Filter by author zhou-yukun opened on Oct 14, 2025
  8

• libfabric "patch" routines corrupt the procedure linkage table (PLT) on AARCH64 under Cray MPICH MPI_Init

  bug
  ofiwg/libfabric#11451 · Filter by author paboyle opened on Sep 30, 2025
  10

• prov/ucx: Segmentation fault on fi_cq_read

  bug
  ofiwg/libfabric#11446 · Filter by author AOA-Mohammed opened on Sep 26, 2025
  5

• prov/lnx: shm+cxi:lnx only shm is working

  bugprov/lnx
  ofiwg/libfabric#11392 · Filter by author andreaa93 opened on Sep 10, 2025
  7