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TCP wire-up for RC fails at relatively low scale

Bug

Status: Open.

#10763 In openucx/ucx;

· jakemoroni opened on Jul 16, 2025

mm_ep.c:458 Assertion `ucs_arbiter_group_is_empty(&ep->arb_group)' failed

Bug

Status: Open.

#10761 In openucx/ucx;

· jakemoroni opened on Jul 15, 2025

What are the CUDA driver and hardware requirements for UCX version 1.18.0?

Status: Open.

#10759 In openucx/ucx;

· njw1123 opened on Jul 13, 2025

Build fails during make stage.

Bug

Status: Open.

#10758 In openucx/ucx;

· ggankhuy opened on Jul 12, 2025

ucx_perftest fails with gpu buffers when compiled with lto (+patch)

Bug

Status: Open.

#10757 In openucx/ucx;

· plesn opened on Jul 11, 2025

Incomplete transfer covering unmapped page in MPI_Bcast with sm (process_vm_readv unchecked)

Bug

Status: Open.

#10756 In openucx/ucx;

· dylex opened on Jul 10, 2025

crash on Stampede3 with "Remote operation error on mlx5_0:1/IB" in MPI_Waitall()

Bug

Status: Open.

#10755 In openucx/ucx;

· BenWibking opened on Jul 10, 2025

Is the error "Error string: /lib64/libcuda.so.1: undefined symbol: cuIpcOpenMemHandle_v2 CUDA-aware support is disabled." due to unavailability of module nv_peer_mem or nvidia-peermem in the nvidia-driver

Status: Open.

#10752 In openucx/ucx;

· Dcn303 opened on Jul 9, 2025

ucx go bindings

Status: Open.

#10751 In openucx/ucx;

· NUABO opened on Jul 8, 2025

Is there a safe way to make UCX work in the child process?

Status: Open.

#10748 In openucx/ucx;

· Swiftie13st opened on Jul 2, 2025

Build Failure: Undefined Reference to ucp_proto_am_req_copy_header

Status: Open.

#10746 In openucx/ucx;

· HenryTangIntel opened on Jun 29, 2025

The UCX rc and cuda_ipc transport modes are not working.

Bug

Status: Open.

#10743 In openucx/ucx;

· tienfeek opened on Jun 26, 2025