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<title>Bug Criteria (Debugging with GDB)</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> &nbsp; [<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>
<h3 class="section">31.1 Have You Found a Bug?</h3>
<a name="index-bug-criteria"></a>

<p>If you are not sure whether you have found a bug, here are some guidelines:
</p>
<ul>
<li> <a name="index-fatal-signal"></a>
<a name="index-debugger-crash"></a>
<a name="index-crash-of-debugger"></a>
If the debugger gets a fatal signal, for any input whatever, that is a
<small>GDB</small> bug.  Reliable debuggers never crash.

</li><li> <a name="index-error-on-valid-input"></a>
If <small>GDB</small> produces an error message for valid input, that is a
bug.  (Note that if you&rsquo;re cross debugging, the problem may also be
somewhere in the connection to the target.)

</li><li> <a name="index-invalid-input"></a>
If <small>GDB</small> does not produce an error message for invalid input,
that is a bug.  However, you should note that your idea of
&ldquo;invalid input&rdquo; might be our idea of &ldquo;an extension&rdquo; or &ldquo;support
for traditional practice&rdquo;.

</li><li> If you are an experienced user of debugging tools, your suggestions
for improvement of <small>GDB</small> are welcome in any case.
</li></ul>


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