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<title>Debugging with GDB: Bug Criteria</title>
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<a name="Bug-Criteria"></a>
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Next: <a href="Bug-Reporting.html#Bug-Reporting" accesskey="n" rel="next">Bug Reporting</a>, Up: <a href="GDB-Bugs.html#GDB-Bugs" accesskey="u" rel="up">GDB Bugs</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Have-You-Found-a-Bug_003f"></a>
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<h3 class="section">31.1 Have You Found a Bug?</h3>
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<a name="index-bug-criteria"></a>
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<p>If you are not sure whether you have found a bug, here are some guidelines:
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</p>
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<ul>
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<li> <a name="index-fatal-signal"></a>
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<a name="index-debugger-crash"></a>
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<a name="index-crash-of-debugger"></a>
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If the debugger gets a fatal signal, for any input whatever, that is a
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<small>GDB</small> bug. Reliable debuggers never crash.
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</li><li> <a name="index-error-on-valid-input"></a>
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If <small>GDB</small> produces an error message for valid input, that is a
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bug. (Note that if you’re cross debugging, the problem may also be
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somewhere in the connection to the target.)
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</li><li> <a name="index-invalid-input"></a>
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If <small>GDB</small> does not produce an error message for invalid input,
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that is a bug. However, you should note that your idea of
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“invalid input” might be our idea of “an extension” or “support
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for traditional practice”.
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</li><li> If you are an experienced user of debugging tools, your suggestions
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for improvement of <small>GDB</small> are welcome in any case.
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</li></ul>
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