Debugging PCIe Link Retraining on an x8/x8 Splitter with Two RTX 3090s
bolts98 · reddit · 2026-09-29
A Redditor shares a detailed engineering writeup on debugging constant PCIe link retraining when connecting two RTX 3090s through an x8/x8 bifurcation splitter for local inference — a useful reference for multi-GPU homelab builders.
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