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[GH-ISSUE #103] python test_low_latency.py blocked in H20 #96
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Originally created by @cll24 on GitHub (Mar 31, 2025).
Original GitHub issue: https://github.com/deepseek-ai/DeepEP/issues/103
By analyzing the code, we find the code is blocked in the instantiation of buffer
We got the following log when setting "NVSHMEM_DEBUG=INFO"
What does the Error "cudaErrorInvalidValue 1 cudaErrorInvalidSymbol 13 cudaErrorInvalidMemcpyDirection 21 cudaErrorNoKernelImageForDevice 209" mean? Is it the root cause of process blocking.
Here is the configuration of NVSHMEM
@sphish commented on GitHub (Apr 1, 2025):
The log line
cudaErrorInvalidValue 1 cudaErrorInvalidSymbol 13 cudaErrorInvalidMemcpyDirection 21 cudaErrorNoKernelImageForDevice 209is a normal log in the NVSHMEM.I suggest you use gdb to print the backtrace when the test processes hang.