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ncclInternalError #7

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johnson111788 opened this issue Feb 4, 2025 · 0 comments
Open

ncclInternalError #7

johnson111788 opened this issue Feb 4, 2025 · 0 comments

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@johnson111788
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I've met the error:

[rank0]: File "/data/anaconda/envs/ENV_NAME/lib/python3.11/site-packages/torch/distributed/distributed_c10d.py", line 2726, in broadcast
[rank0]: work = group.broadcast([tensor], opts)
[rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[rank0]: torch.distributed.DistBackendError: NCCL error in: /pytorch/torch/csrc/distributed/c10d/ProcessGroupNCCL.cpp:2588, internal error - please report this issue to the NCCL developers, NCCL version 2.21.5
[rank0]: ncclInternalError: Internal check failed.
[rank0]: Last error:
[rank0]: Bootstrap : no socket interface found

It is resulting from the NCCL_SOCKET_IFNAME=eth0. The authors should make the socket configuration according to the user's ifconfig.

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