Add PCI bus fallback for Linux GPU device discovery in containerized environments#27591

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baijumeswani merged 12 commits intomainfrom

copilot/analyze-cuda-device-detection

Mar 12, 2026

Commits on Mar 9, 2026

Initial plan
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Add PCI bus fallback for GPU device discovery on Linux containers

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Address review feedback: use VERBOSE log level and add clarifying comment for card_idx

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Remove device_id assertion from GPU test to fix Apple Silicon compatibility

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Refactor PCI detection into testable namespace with injectable sysfs paths and add hermetic tests

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Extract hardcoded sysfs PCI path to a named constant

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Commits on Mar 12, 2026

Merge branch 'main' of https://github.com/microsoft/onnxruntime into copilot/analyze-cuda-device-detection
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