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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-4257] Random segfault</title>
                <link>https://jira.mongodb.org/browse/SERVER-4257</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;mongod segfaulted apparently for no reason (unable to correlate this with anything remarkable in the application logs).&lt;/p&gt;

&lt;p&gt;For some reason it was building indexes just before the crash. Not sure why it was doing that (nothing in the application&apos;s log suggested an action that would have triggered this).&lt;/p&gt;

&lt;p&gt;As you can see from the logs, there are some truly nasty queries, a lot of suboptimal stuff going on. I&apos;ve got some big improvements in the pipeline but they&apos;re not deployed yet.&lt;/p&gt;

&lt;p&gt;As a result of this crash I&apos;ve upgraded to mongod 2.0.1 and am now setting up MMS.&lt;/p&gt;</description>
                <environment>Ubuntu 10.04.3 LTS on an 8GB single core VM&lt;br/&gt;
Linux utrin 2.6.32-33-server #72-Ubuntu SMP Fri Jul 29 21:21:55 UTC 2011 x86_64 GNU/Linux&lt;br/&gt;
&lt;br/&gt;
db version v2.0.0, pdfile version 4.5&lt;br/&gt;
Fri Nov 11 16:41:29 git version: 695c67dff0ffc361b8568a13366f027caa406222&lt;br/&gt;
&lt;br/&gt;
Single mongod stand-alone, no replica sets or sharding, running a Foswiki installation using the perl MongoDB driver.</environment>
        <key id="24785">SERVER-4257</key>
            <summary>Random segfault</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="csirac2">Paul Harvey</reporter>
                        <labels>
                            <label>crash</label>
                    </labels>
                <created>Fri, 11 Nov 2011 05:48:05 +0000</created>
                <updated>Fri, 11 Nov 2011 05:51:07 +0000</updated>
                            <resolved>Fri, 11 Nov 2011 05:51:07 +0000</resolved>
                                    <version>2.0.0</version>
                                                    <component>Stability</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="66127" author="eliot" created="Fri, 11 Nov 2011 05:51:07 +0000"  >&lt;p&gt;This is a version of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-3961&quot; title=&quot;Segmentation Fault when creating new indexes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-3961&quot;&gt;&lt;del&gt;SERVER-3961&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
Fixed in 2.0.1&lt;/p&gt;</comment>
                            <comment id="66126" author="csirac2" created="Fri, 11 Nov 2011 05:50:22 +0000"  >&lt;p&gt;For what it&apos;s worth this DB has run flawlessly for at least three months now.&lt;/p&gt;</comment>
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                            <attachment id="13811" name="crash.txt" size="7664" author="csirac2" created="Fri, 11 Nov 2011 05:48:05 +0000"/>
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