March 2026 monthly summary for sonic-buildimage focusing on reliability and diagnostics improvements. Delivered deterministic test behavior for unit tests by patching sonic_py_common.logger and updating test fixtures, reducing flakiness in integration tests. Enhanced ADM1266 reboot-cause telemetry with better blackbox data handling and RTC synchronization for more accurate post-reboot diagnostics. Implemented operational automation to support recurring telemetry collection and diagnostics (adm1266-rtc-sync.timer in postinst). These changes improve test stability, accelerate issue triage, and provide deeper visibility into reboot causes across platforms.

February 2026 — sonic-buildimage: Platform Reboot Script for Nexthop Kernel Panic Handling delivered to harden post-crash recovery and reduce operator intervention. Key features delivered: - Implemented a Nexthop-specific platform_reboot hook to power-cycle the system after a kernel panic, ensuring hardware returns to a known-good state. - Integrated with the existing reboot workflow: normal reboot path remains a no-op for nh_powercycle; kernel panic path triggers FPGA-driven power cycling with a safe fallback to /sbin/reboot if power cycle fails. Major bugs fixed: - Addressed a critical post-crash recovery scenario by providing an automated hardware reset path, reducing manual recovery steps after kernel panics. Overall impact and accomplishments: - Significantly improves post-crash reliability and uptime for Nexthop platforms in sonic-buildimage. - Reduces mean time to recovery (MTTR) by ensuring hardware is re-initialized to a known good state after crashes. - Establishes a robust, auditable reboot path that operators can rely on in production deployments. Technologies/skills demonstrated: - Shell scripting and platform power management in a kernel panic context - FPGA interfacing for hardware power cycle control - Systemd-based reboot integration and fail-safe fallbacks - Collaborative development practices (co-authored commits and sign-offs) Commit reference: - 31087c9e542f40159ede27fcd760766f064f7a7d: Add NH platform_reboot to power cycle upon kpanic (#25422). Signed-off-by: Louis Maliyam; Co-authored-by: saravanan sellappa

October 2025 monthly summary for sonic-buildimage focusing on delivering updated hardware support, enhanced monitoring, and reliability improvements across NH-4010/NH-4020 platforms. The work driven by the cross-functional Nexthop/PDDF stack targeted BIOS/PCIe, monitoring accuracy, fault visibility, and system resilience, translating into tangible business value for field stability and faster recovery.

September 2025 monthly summary for sonic-net/SONiC focused on documentation quality improvements affecting FPGA-related components. Delivered a targeted fix for the attr_devname description in the Multi-FPGAPCIe documentation to ensure accurate naming conventions when referencing FPGA device names. The change is non-runtime and enhances developer experience and onboarding without impacting runtime behavior.