Worked on improving system reliability in the yuwata/systemd repository by addressing a dependency issue affecting NvPCR read operations during boot. Focused on Linux service management and systemd, the developer implemented a targeted fix in C to ensure that the systemd-pcrproduct unit only attempts to read from /var/lib/nvpcr after the /var directory is properly mounted. This adjustment aligned the execution order with systemd-tpm2-setup.service, effectively eliminating race conditions that previously caused boot-time read errors. The work resulted in enhanced data integrity and stability for NvPCR-enabled workflows, demonstrating careful attention to system initialization and dependency management within complex service environments.