Hi, I meet the same error and solve it due to the wrong representor PCI address. Can you use the command " /opt/mellanox/doca/tools/doca_caps --list-rep-devs" instead to find the representor PCI address in the DPU side? You can find the documents here NVIDIA DOCA Capabilities Print Tool - NVIDIA Docs. For other versions of DOCA, it should be similar.
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