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

bug

Status: Open.

#12542 In ofiwg/libfabric;

· Sbozzolo opened on Jul 14, 2026

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

Status: Open.

#12480 In ofiwg/libfabric;

· TSUMUGI-XE opened on Jul 6, 2026

prov/cxi: segfault with FI_MATCH_COMPLETE on small messages

bug

prov/cxi

Status: Open.

#12319 In ofiwg/libfabric;

· hzhou opened on Jun 1, 2026

prov/cxi: dangling fabric pointer after fi_close

bug

prov/cxi

Status: Open.

#12227 In ofiwg/libfabric;

· devreal opened on May 8, 2026

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

bug

prov/verbs

windows

Status: Open.

#12124 In ofiwg/libfabric;

· efschu opened on Apr 9, 2026

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

bug

prov/psm3

Status: Open.

#12077 In ofiwg/libfabric;

· tatarintsevsv opened on Mar 31, 2026

Introduce an API to flush outstanding work requests

enhancement

Status: Open.

#12041 In ofiwg/libfabric;

· shijin-aws opened on Mar 23, 2026

prov/rxm: Domain close issue caused by unclosed memory regions.

bug

prov/rxm

Status: Open.

#12016 In ofiwg/libfabric;

· kjkozlowski opened on Mar 18, 2026

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

bug

high priority

prov/shm

Status: Open.

#11987 In ofiwg/libfabric;

· jfillers opened on Mar 12, 2026

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

bug

prov/tcp

Status: Open.

#11906 In ofiwg/libfabric;

· yexiangd opened on Feb 20, 2026

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

bug

prov/cxi

Status: Open.

#11867 In ofiwg/libfabric;

· mkre opened on Feb 4, 2026

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

enhancement

prov/hook

Status: Open.

#11834 In ofiwg/libfabric;

· philippfriese opened on Jan 23, 2026