Hi Excel, Thanks for the outputs. At the time of capture, the reported NIC and transceiver temperatures do not indicate overheating.
However, firmware 16.29.1016 is quite old, and subsequent releases corrected several transmission-related issues. In particular, NVIDIA documents bug 2455041, identified in your exact version, which could prevent the physical function from transmitting packets. It was fixed in 16.30.1004. NVIDIA release notes: https://docs.nvidia.com/nvidia-connectx-5-adapter-cards-firmware-release-notes-v16-30-1004.pdf#page=28 I would first update to a supported firmware matching your card’s PSID and driver stack, then check whether the problem persists. This is a plausible lead, although we cannot yet confirm that this specific bug explains your symptoms. Best regards, Jerome
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