Issues

• Segfault in cuCtxSynchronize and cuStreamSynchronize when the calling process is checkpointed

  NVIDIA/cuda-checkpoint#59 · Filter by author VivianSobers opened on Sep 29, 2026

• cuCheckpointProcessLock SIGSEGVs inside libcuda.so.1 on a multi-threaded CUDA service (driver 610.57.04, open kernel module)

  NVIDIA/cuda-checkpoint#58 · Filter by author mbrostami opened on Sep 16, 2026
  3

• Does CUDA IPC support require driver version 610 as a mandatory prerequisite?

  NVIDIA/cuda-checkpoint#56 · Filter by author wz12345-sd opened on Jul 27, 2026
  1

• Stability concerns when applying cuda-checkpoint --launch-job to existing training workloads

  NVIDIA/cuda-checkpoint#55 · Filter by author amazingguni opened on Jul 2, 2026

• Killing a cuda-checkpoint restored process hard-hangs the whole host (bare metal, open 595.71.05) — suspending first avoids it

  NVIDIA/cuda-checkpoint#53 · Filter by author imlach opened on Jun 11, 2026
  1

• What is the correct procedure to successfully dump a GPU workload (SGLang) running inside an NVIDIA container with cuda-checkpoint + CRIU?

  NVIDIA/cuda-checkpoint#52 · Filter by author wangzhen2271 opened on Jun 11, 2026
  1

• Feature request: GDS (cuFile) or general RDMA transport for checkpoint/restore

  NVIDIA/cuda-checkpoint#49 · Filter by author 4D0R opened on May 14, 2026
  1

• cuda-checkpoint default restore preserves stale cuDeviceGetPCIBusId cache across cross-node gpu migration; NVML lookups fail as NVML look ups include cudaDeviceGetPciBusId() which returns old id and causes failure post restore

  NVIDIA/cuda-checkpoint#48 · Filter by author shubh3794 opened on Apr 22, 2026
  5

• Could not restore on process ID 3406143: "invalid argument"

  NVIDIA/cuda-checkpoint#47 · Filter by author wangzhen2271 opened on Apr 16, 2026
  1

• Is it not possible to restore from GPU 0 to GPU 0?

  NVIDIA/cuda-checkpoint#46 · Filter by author wangzhen2271 opened on Apr 9, 2026
  3

• cuda-checkpoint --toggle hangs when checkpointing one process of torch.distributed NCCL job

  NVIDIA/cuda-checkpoint#45 · Filter by author Taya666 opened on Feb 10, 2026

• Restore permanently fails after initial OOM — process stuck in CHECKPOINTED state

  NVIDIA/cuda-checkpoint#44 · Filter by author asayyah opened on Jan 28, 2026

• Fails with "out of memory" on MIG-enabled GPUs

  NVIDIA/cuda-checkpoint#42 · Filter by author ayushr2 opened on Dec 17, 2025
  5

• cuda-checkpoint fails to throw error when performing CRIU on non-CUDA processes

  NVIDIA/cuda-checkpoint#41 · Filter by author xuhongqiang-kernel opened on Dec 16, 2025
  2

• criu failed

  NVIDIA/cuda-checkpoint#40 · Filter by author gaogaoSpark opened on Oct 24, 2025
  5

• [vllm dump] need to toggle all the subprocesses before criu dump, it's too slow

  NVIDIA/cuda-checkpoint#39 · Filter by author Lu-yq opened on Oct 14, 2025
  4

• Request for Dumped Memory Address Exposure in cuCheckpointProcessCheckpoint API

  NVIDIA/cuda-checkpoint#38 · Filter by author gyb997 opened on Sep 24, 2025
  2

• [GPU Dependence] "OS call failed or operation not supported on this OS" for get-state and toggle

  NVIDIA/cuda-checkpoint#37 · Filter by author mattnappo opened on Sep 19, 2025
  8

• criu core dump

  NVIDIA/cuda-checkpoint#36 · Filter by author foreverlovematrix opened on Sep 19, 2025
  1

• Cannot get GPU migration to work with CUDA 13 and driver 580

  NVIDIA/cuda-checkpoint#35 · Filter by author lcao8 opened on Aug 28, 2025
  4

• "Operation not supported" with GPU driver 570.158.01 on PyTorch

  NVIDIA/cuda-checkpoint#34 · Filter by author levythu opened on Aug 6, 2025
  4

• Support checkpointing/restoring GPU memory from file descriptor rather than main memory

  NVIDIA/cuda-checkpoint#33 · Filter by author EtiennePerot opened on Jul 31, 2025
  6

• [vLLM] cuda-checkpoint does not Fully Detach File Descriptors to GPU Devices

  NVIDIA/cuda-checkpoint#31 · Filter by author ZeroExistence opened on Jul 8, 2025

• cuda-checkpoint hangs when locking multiprocess nccl-tests

  NVIDIA/cuda-checkpoint#30 · Filter by author tkj666 opened on Jun 16, 2025
  1

• Slower memory bandwidth than expected. Is this use pinned memory?

  NVIDIA/cuda-checkpoint#29 · Filter by author tattrongvu opened on Jun 10, 2025