Table of Contents A General Introduction to Debugging Software Approaches to Kernel Debugging Debug via Instrumentation – printk and Friends Debug via Instrumentation – Kprobes Debugging Kernel Memory Issues – Part 1 Debugging Kernel Memory Issues – Part 2 Oops! Interpreting the Kernel Bug Diagnostic Lock Debugging Tracing the Kernel Flow Kernel Panic, Lockups, and Hangs Using Kernel GDB (KGDB) A Few More Kernel Debugging Approaches.