Linux Kernel Debugging: Going Beyond Printk Messages

YouTube Excerpt: Debugging the Linux kernel with printk messages is a common technique. And often a good one. The problem happens when we only know this debugging technique. How to debug a kernel oops message? How to trace and understand the kernel execution? How to identify and analyze a buffer overflow? How to identify a memory leak or a deadlock in kernel space? In many situations, there are more effective kernel debugging tools and techniques, including KGDB, ftrace, addr2line, eBPF, kmemleak, and so on. In this presentation, we will go over these and many other very useful tools to identify and fix problems in the Linux kernel. Slides: https://www.dropbox.com/s/d034w3zpx5bai4q/Linux%20Kernel%20Debugging%3A%20Going%20Beyond%20Printk%20Messages.pdf?dl=0 Talk presented at Embedded Linux Conference Europe 2019.

Debugging the Linux kernel with printk messages is a common technique. And often a good one. The problem happens when we only know this debugging...

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