Kernel panic

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A kernel panic is an equivalent of the or for Mac OS X and macOS, which use a Unix-based kernel. The screen, translated in many different languages, simply tells the user that the Mac has restarted and is recovering from an error.
==History==
In early versions of Mac OS X, the details of the kernel panic were simply dumped to the screen in . 
Starting in Mac OS X 10.2 (Jaguar), the background was darkened as a message appeared in a light grey rectangle to inform the user that the computer needed to be restarted. In 10.3 to 10.7.5, the message shown in a dark gray background.
Starting in Mac OS X 10.8 (Mountain Lion), a kernel panic would cause the system to automatically restart and notify the user afterwards with a message on a gray background.
Starting in OS X 10.11 (El Capitan), the message after a kernel panic restart would be presented on a full black screen.
==Screenshots==
You_need_to_restart_your_computer.jpg|Self-explanatory kernel panic message from Mac OS X 10.6 to 10.7.5
Kernel_panic_restart.jpg|A startup message explaining that a kernel panic caused OS X 10.8 to 10.10.5 to restart.
==References==
*macOS Kernel Panic History by Nobel Tech, YouTube. 2021-08-03.
==See also==
*System error dialog box, a similar message in classic Mac OS.
*Prohibitory symbol, caused by an error upon startup in macOS.
==External links==
*If your Mac restarts and a message appears at Apple Support
**If your Mac restarted because of a problem (2022-01-31)
*How to troubleshoot a kernel panic by Joe Kissell at Macworld (2013-02-06)
*
* at Wikipedia
Category:Mac OS X
Category:Software bugs
Category:Technical terminology