2320925433f7021df37423a1c6ae1287ef3eac2b
Disabled PCIe devices (sysfs enable==0) carry no data traffic; their link state has no operational impact. Switchtec PCIe switch management endpoints on NVIDIA HGX H100 baseboards (and similar fabric controllers) train at reduced speed intentionally and were producing spurious warnings. Check is vendor-agnostic: reads enable attribute via existing helper, no vendor/device ID hardcoding. Documented in bible-local/decisions/2026-06-12-pcie-disabled-device-link-warning.md. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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