Worked on the geerlingguy/linux repository to enhance reliability in power-domain handling within the Linux kernel, focusing on a critical bug affecting TPMI Power Domain Package ID retrieval. Addressed the issue by replacing physical ID-based resolution with topology_logical_package_id(), ensuring correct mapping even when package IDs are non-contiguous and preventing invalid memory references. This targeted kernel patch, implemented in C, demonstrated strong debugging and system programming skills while minimizing risk and surface area for integration. The work improved system stability by precisely addressing a single, high-impact issue, reflecting a careful and methodical approach to kernel development and maintenance.