Kernel panic

English: A kernel panic is a message displayed by an operating system upon detecting an internal system error from which it cannot recover; the term is largely specific to Unix and Unix-like systems.

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  Attention - kernel panic!
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  Attention - kernel panic! (version two)
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  Linux kernel panic
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  FreeBSD kernel panic
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  Mac OS X simple kernel panic message
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  Old iMac running Mac OS X Tiger kernel panic with information about reason, includes complex log info (macOS verbose mode)
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  iPhone kernel panic