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Guide · 6 min read

Reading a Tombstack: anatomy of a good crash report

LR
L. Roussel

A crash report is a witness statement from a dying process. Read it in the wrong order and you'll chase the symptom instead of the cause. Here's the order we teach every new engineer.

1. The exception line

Start at the top. A SIGSEGV reading 0x10 is almost always a null-pointer offset. The address tells you more than you think.

2. The first in-app frame

Skip the engine internals. The first frame marked 'your code' is where you have leverage — that's the line you can actually change.

Breadcrumbs are the last few seconds of the game's life. They tell you what it was doing when it died.

3. Breadcrumbs & device

Was memory at 91%? Did a host migration just freeze the frame? The breadcrumb trail turns a stack trace from 'what broke' into 'why it broke right then.' Tombstack keeps the last 50 log lines before each crash.

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