Tagged articles

process-state

2 articles · Page 1 of 1

Dec 23, 2024 · Operations

Understanding the Linux “D” (Uninterruptible Sleep) Process State

The article explains the meaning of a process being in the “D” state on Linux, describing it as an uninterruptible sleep caused by blocked I/O, how to identify it with tools like ps or top, why it cannot be killed, and common troubleshooting steps.

D stateLinuxprocess-state

0 likes · 5 min read

Understanding the Linux “D” (Uninterruptible Sleep) Process State

Liangxu Linux

Mar 16, 2021 · Fundamentals

How to Uncover Hidden Kernel Bugs: A Step‑by‑Step Linux Debugging Guide

This article walks through a real‑world Linux kernel bug investigation, showing how to detect a frozen process, use tools like ps, strace, pstack, and the /proc filesystem to trace system calls, identify the blocking kernel function, and pinpoint the root cause.

DebuggingLinuxNFS

0 likes · 10 min read

How to Uncover Hidden Kernel Bugs: A Step‑by‑Step Linux Debugging Guide