They may be in the buildroot image but did you configure the kernel stuff as modules or builtins?
For reasons that should be obvious*, having that stuff as kernel modules won't work with network boot unless you put all of the required kernel modules and utility commands into an initrd that you specify in config.txt or you rebuild your image with them configured as kernel builtins.
*: You can't load the modules over the network if you don't have the necessary modules locally.
According to the configuration of linux-menuconfig, all the options related to NFS below are enabled.
Code:
File systems ---> [*] Network File Systems ---> <*> NFS client support <*> NFS client support for NFS version 2 <*> NFS client support for NFS version 3 [*] Root file system on NFSStatistics: Posted by rasp14 — Fri May 03, 2024 12:57 am