RuntimeError: NCCL error in: /opt/conda/conda-bld/pytorch_1614378083779/work/torch/lib/c10d/ProcessGroupNCCL.cpp:825, unhandled system error, NCCL version 2.7.8

[LuoXin-s (Sienna)]

Yes, I did that and solved this issue simply use --ipc=host in my docker.