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windbg-user-wait-chain-analysis

Use when an app, service, or user-mode driver host is unresponsive on locks, COM/RPC, I/O, or another process; follow the blocker chain. Not for a crash solely from an exception stack.

plugins/windbg/skills/windbg-user-wait-chain-analysis/SKILL.md

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Last checked
Nov 5, 2026

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Repository last updated
Nov 3, 2026
License
MIT

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# Cross-Process Wait Chain Analysis

**Load `windbg-diagnostic-method` first** if it is not already loaded in this
conversation, and apply it throughout for evidence ranking, hypothesis testing,
confidence calibration, independent review, and report validation. This skill
adds the bug-family-specific commands and evidence requirements.

## Detection

Look for blocked work in an application, service, or user-mode driver host
(including UMDF), and threads in wait, COM, RPC, or I/O paths.
The process displaying the symptom may not own the underlying defect.
Idle worker threads waiting normally are not evidence of a hang.