http://www.linux-mips.org/wiki?title=Debugging&feed=atom&action=historyDebugging - Revision history2013-05-22T20:01:19ZRevision history for this page on the wikiMediaWiki 1.20.2//www.linux-mips.org/wiki?title=Debugging&diff=6269&oldid=prevRalf: /* Debugging */2004-11-12T23:59:19Z<p><span dir="auto"><span class="autocomment">Debugging</span></span></p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 23:59, 12 November 2004</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Debugging ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Debugging ==</div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">Although it is </del>the <del class="diffchange diffchange-inline">last </del>chapter<del class="diffchange diffchange-inline">, it is probably the most necessary one</del>. In this</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">Probably </ins>the <ins class="diffchange diffchange-inline">most important </ins>chapter. In this chapter, I will list some commonly used debugging tips and tricks.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>chapter, I will list some commonly used debugging tips and tricks.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Kernel Oops</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Kernel Oops</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline"> </del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>ksymoops is a program that deciphers all the secret numbers in a kernel core</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>ksymoops is a program that deciphers all the secret numbers in a kernel core</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>dump. Old versions of ksymoops may not work well for MIPS.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>dump. Old versions of ksymoops may not work well for MIPS.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline"> </del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>I sometimes use a script, call2sym, written by Phil Hollenback. You just cut</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>I sometimes use a script, call2sym, written by Phil Hollenback. You just cut</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>and past the call trace part to feed the script and it will display a possible</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>and past the call trace part to feed the script and it will display a possible</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>bogus, but the real ones should be displayed. You will have to use your own</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>bogus, but the real ones should be displayed. You will have to use your own</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>judgement.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>judgement.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline"> </del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">In </del>2.6<del class="diffchange diffchange-inline">, the brack trace is </del>automatically <del class="diffchange diffchange-inline">printed for you when </del>a <del class="diffchange diffchange-inline">kernel core</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">Linux&nbsp;</ins>2.6 <ins class="diffchange diffchange-inline">will </ins>automatically <ins class="diffchange diffchange-inline">convert symbols if CONFIG_KALLSYMS is enabled. It may bloat kernels but it's </ins>a <ins class="diffchange diffchange-inline">true life saver, so highly recommended</ins>.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">dump happens</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline"> </del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Next page: [[Linux Bootup]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Next page: [[Linux Bootup]]</div></td></tr>
</table>Ralf//www.linux-mips.org/wiki?title=Debugging&diff=972&oldid=prevRalf at 22:36, 8 November 20042004-11-08T22:36:01Z<p></p>
<p><b>New page</b></p><div>== Debugging ==<br />
<br />
Although it is the last chapter, it is probably the most necessary one. In this<br />
chapter, I will list some commonly used debugging tips and tricks.<br />
<br />
Kernel Oops<br />
<br />
ksymoops is a program that deciphers all the secret numbers in a kernel core<br />
dump. Old versions of ksymoops may not work well for MIPS.<br />
<br />
I sometimes use a script, call2sym, written by Phil Hollenback. You just cut<br />
and past the call trace part to feed the script and it will display a possible<br />
function call stack at the time crash. Note it is likely some symbols are<br />
bogus, but the real ones should be displayed. You will have to use your own<br />
judgement.<br />
<br />
In 2.6, the brack trace is automatically printed for you when a kernel core<br />
dump happens.<br />
<br />
Next page: [[Linux Bootup]]</div>Ralf