Linux Kernel – Tech For Talk

March 3, 2020November 21, 2025

How to replace the Kernel image in NOOBS with your custom Kernel

In one of the previous posts I have described Bringing up Rasberry Pi 3 with NOOBS. But after I brought up the Raspberry Pi (ver…

Continue reading → How to replace the Kernel image in NOOBS with your custom Kernel

February 21, 2020March 14, 2026

Resolving GobiSerial Module Errors on Raspberry Pi

Encountering 'Unknown Symbol' errors while loading the GobiSerial module on Raspberry Pi? This in-depth guide walks you through debugging missing kernel symbols, manually loading required modules, and properly configuring dependencies using depmod and modprobe for a clean and persistent fix. Learn how to resolve LTE driver issues with Sierra Wireless EM7565 on RPi effortlessly!

This post explains how to create a userspace C program as a Buildroot package that tests an existing kernel module. It details steps including creating package directories and files, defining dependencies, and populating configuration files. The process includes setting installation commands and proper source code structure for successful compilation and deployment.

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