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Max Krummenacher

PROFILE

Max Krummenacher

Worked on the flipperdevices/u-boot repository, focusing on embedded systems and C programming to enhance stability and reliability for Toradex hardware. Delivered a critical fix to SPL stack allocation by aligning SPL_STACK with SPL_HAVE_INIT_STACK, reducing stack-related failures during mass-storage boot scenarios. Improved memory management by standardizing SYS_MALLOC_F_LEN configuration, increasing available memory and simplifying maintenance across multiple boards. Addressed network reliability by patching MAC address handling for the toradex_smarc_imx95 board, ensuring correct Ethernet port configuration. Demonstrated strong configuration management and network programming skills while collaborating with hardware teams and adhering to upstream review standards throughout the three-month engagement.

Overall Statistics

Feature vs Bugs

33%Features

Repository Contributions

4Total
Bugs
2
Commits
4
Features
1
Lines of code
16
Activity Months3

Your Network

581 people

Shared Repositories

572

Work History

January 2026

1 Commits

Jan 1, 2026

January 2026 monthly summary focused on strengthening network reliability for Toradex hardware by delivering a targeted U-Boot patch for the toradex_smarc_imx95 board. Implemented and validated a fix to synchronize the third MAC address with the second across three Ethernet ports, ensuring correct network configuration and port behavior. The change was committed with upstream-quality practices (Signed-off-by, Reviewed-by) and contributes to reduced production risk by addressing a hardware-specific edge case. This work reinforces product stability for devices with three Ethernet interfaces and demonstrates collaboration with hardware teams and adherence to code-review standards.

December 2025

2 Commits • 1 Features

Dec 1, 2025

December 2025: Focused on memory optimization in U-Boot by default SYS_MALLOC_F_LEN, improving available memory and simplifying configuration across targeted boards.

November 2025

1 Commits

Nov 1, 2025

November 2025 monthly summary for the flipperdevices/u-boot workstream focused on stability and correctness of SPL stack allocation for Toradex SMARC iMX95. Delivered a critical config dependency fix that ties SPL_STACK to SPL_HAVE_INIT_STACK, improving reliability across use cases and aligning with upstream changes. This work is captured in commit 610a3eb27ea1e68363fffcb3f14b7fc097ef08b6 and contributes to more robust boot paths on Toradex hardware, especially during mass-storage boot scenarios. Also stabilized savedefconfig behavior by ensuring SPL_STACK is properly reflected in configuration dumps, reducing drift and maintenance overhead.

Activity

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Quality Metrics

Correctness95.0%
Maintainability95.0%
Architecture95.0%
Performance95.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C

Technical Skills

C programmingconfiguration managementembedded systemsnetwork programming

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

flipperdevices/u-boot

Nov 2025 Jan 2026
3 Months active

Languages Used

C

Technical Skills

C programmingconfiguration managementembedded systemsnetwork programming