Annotation of www/ddb.html, Revision 1.2
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4: <title>OpenBSD kernel crash reports</title>
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6: <meta name="description" content="How to report an OpenBSD kernel crash">
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14: <h2><font color="#e00000">Extracting useful information from kernel crashes</font></h2>
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17: <h3><font color="#0000e0">Minimum information for kernel problems</font></h3>
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19: Familiarize yourself with <a href="reports.html">the general bug reporting procedures</a>
20: first. All of that will apply.
21:
22: When reporting a kernel panic or crash, please remember:
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24: <ul>
25: <li><em>We need the console output on the screen</em>. Capture it and
26: save it. Serial consoles are best, but if you are on a VGA console you
27: can <a HREF="http://www.openbsd.org/faq/faq7.html">scroll the console
28: back</a> and take readable pictures with a phone or camera.<BR>
29:
30: <li><em>If the kernel paniced we need the traceback.</em> It may be
31: displayed on the screen. If are at a <tt><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ddb&sektion=4&format=html">ddb</a>></tt> prompt, type <tt>trace</tt>, If you are running SMP, use the <tt>mach ddbcpu N</tt> command for each of the <tt>N</tt> processors you have and repeat the <tt>trace</tt> command for each processor.<BR>
32:
1.2 ! beck 33: <li><em>We need the process list.</em> Use the command <tt>ps</tt> to get us that.
1.1 beck 34: </ul>
35:
36: <em>Reports without the above information are useless. This is the minimum we need to be able to track down the issue.</em>.
37:
38: <h3><font color="#0000e0">Additional information you can send</font></h3>
39: <P>
40: In some situations more information is desirable. Below are outlined some additional steps you can take in certain situations:
41: <ul>
42: <li> ... XXX
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