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\section{Emergency Functions}
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\section{Emergency Functions}
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It may happen that the IPC communication dies or that there are some
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It may happen that the IPC communication dies or that there are some
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problems in the communication chain
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problems in the communication chain
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{\em keboard driver} - {\em console} - {\em output driver}.
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{\em keboard driver} - {\em console} - {\em output driver}.
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As long that at least the keyboard driver works, pressing Escape key three
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As long that at least the keyboard driver works, pressing Escape key three
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times transfers control to the KConsole immediately. Screen is not updated,
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times transfers control to the KConsole immediately. If the screen is not
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the user should press Enter to see the kconsole prompt.
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updated, the user should press Enter to see the kconsole prompt.
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If a kernel panic occurs, the error handling automatially switches control
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If a kernel panic occurs, the error handling automatially switches control
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to the KConsole and allows users to inspect the failed kernel online.
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to the KConsole and allows users to inspect the failed kernel online.
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On the SMP system the other processors are halted immediately. The kernel
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On the SMP system the other processors are halted immediately. The kernel
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contains its symbol table, so you can probably read some useful information
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contains its symbol table, so you can probably read some useful information