vmcore — 3 Technical Articles

Jan 22, 2026 · Operations

Mastering kdump: From Theory to Hands‑On Linux Crash Dump Configuration

This guide explains what kdump is, how it works, and provides step‑by‑step instructions for installing, configuring, and verifying kdump on Linux systems, plus tips for analyzing vmcore files with crash and GDB.

Crash AnalysisKDUMPLinux

0 likes · 16 min read

Mastering kdump: From Theory to Hands‑On Linux Crash Dump Configuration

Alibaba Cloud Developer

Sep 10, 2024 · Operations

Midnight Kernel Panic: How a Corrupt skb Triggered Chaos and What We Learned

An in‑depth post‑mortem of a recurring midnight kernel panic caused by a malformed sk_buff structure, detailing how vmcore analysis, packet inspection, and netfilter hook tracing pinpointed a third‑party module bug in Linux 5.10, and outlining remediation steps.

KernelLinuxnetfilter

0 likes · 10 min read

Midnight Kernel Panic: How a Corrupt skb Triggered Chaos and What We Learned

Open Source Linux

Jun 10, 2022 · Operations

Master Crash: Analyzing vmcore and Inspecting sk_buff Structures in Linux

This guide walks through using the Crash utility to parse a kdump vmcore, locate the sk_buff structure, examine its fields, and trace related socket data, illustrating a practical approach to diagnosing kernel memory corruption.

CrashKernel DebuggingLinux

0 likes · 9 min read

Master Crash: Analyzing vmcore and Inspecting sk_buff Structures in Linux