Logic of AB partition switching for bootloader of Orin board

[KevinFFF]

@shuochong.liu

I want to know how to modify unbootable to normal.

You could refer to the The methods to restore corrupted rootfs slot section in the following topic.
Rootfs A/B redundancy fail-over mechanism in Jetpack5.1 - Jetson & Embedded Systems / Jetson Xavier NX - NVIDIA Developer Forums