Debugging PCIe Link Retraining on an x8/x8 Splitter with Two RTX 3090s
2.10T2 sourcer/LocalLLaMA
r/LocalLLaMAoriginal source ↗
Source record
Published by r/LocalLLaMA (T2 source). The original is at https://www.reddit.com/r/LocalLLaMA/comments/1wsscrw/debugging_pcie_link_retraining_on_an_x8x8/.
Pipeline notes
The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.
SummaryA Reddit post on r/LocalLLaMA about debugging PCIe link retraining issues when using an x8/x8 splitter to connect two RTX 3090 GPUs. No excerpt details are available.
Why it mattersNarrow but firsthand debugging of a multi-GPU PCIe bifurcation problem that affects local LLM rigs with older cards. Useful only to readers running similar splits.
Cited by
No citations on record.