Understanding and Debugging Kernel Panics [ Guide ]

When the kernel crashes on Mac OS X, the system displays a panic message. At this point the system will have to be restarted. But before hitting the power button, how can one find out what caused the crash?
This technote addresses kernel panics: what they are and how to debug the code that caused the panic.
The foundation of Mac OS X is an operating system core commonly known as Darwin. This technote contains links to source files available from the Darwin open source site. Access to these files requires a username and password obtained by agreeing to the Apple Public Source License.

What is a Kernel Panic?

What Does a Panic Look Like?

Basics of Processor Exception Handling in the Mac OS X Kernel

Intel Processor Exception Handling

PowerPC Processor Exception Handling

Panic Logs

How to Read the Panic Log from an Intel-Based Mac

How to Read the Panic Log from a PowerPC-Based Mac

Isolating the Crash

Deciphering a Panic Log from an Intel-based Mac

Deciphering a Panic Log from a PowerPC-based Mac

Summary

References

Downloadables

Document Revision History

SOURCE