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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-3516] Segfault during normal operation</title>
                <link>https://jira.mongodb.org/browse/SERVER-3516</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;I was running (32-bit) Mongo when it suddenly went down. I looked in /var/log/mongo/mongod.log and saw the following:&lt;/p&gt;

&lt;p&gt;============================================================================================================================================================&lt;br/&gt;
Tue Aug  2 05:07:01 Invalid access at address: 0x22917&lt;/p&gt;

&lt;p&gt;Tue Aug  2 05:07:01 Got signal: 11 (Segmentation fault).&lt;/p&gt;

&lt;p&gt;Tue Aug  2 05:07:01 Backtrace:&lt;br/&gt;
0x8523182 0x852388d 0x41640c 0xb6662a 0x829e5d9 0x82a10e4 0x83f1c08 0x8401454 0x8402268 0x8402539 0x840332d 0x828dcf5 0x83b0c47 0x83b6bc1 0x8526733 0x81f7c58 0x853a7ed 0x2399c9 0xbca6ee&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo10abruptQuitEi+0x3c2) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x8523182&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo24abruptQuitWithAddrSignalEiP7siginfoPv+0x25d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x852388d&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;0x41640c&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib/libc.so.6(memcpy+0x5a) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xb6662a&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo22fillQueryResultFromObjERNS_10BufBuilderEPNS_10ProjectionERKNS_7BSONObjEPNS_7DiskLocE+0xa49) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x829e5d9&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo11UserQueryOp4nextEv+0xc74) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x82a10e4&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo12QueryPlanSet6Runner6nextOpERNS_7QueryOpE+0x38) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x83f1c08&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo12QueryPlanSet6Runner3runEv+0x8c4) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x8401454&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo12QueryPlanSet5runOpERNS_7QueryOpE+0x2e8) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x8402268&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo16MultiPlanScanner9runOpOnceERNS_7QueryOpE+0x59) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x8402539&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo16MultiPlanScanner5runOpERNS_7QueryOpE+0x2d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x840332d&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(&lt;em&gt;ZN5mongo8runQueryERNS_7MessageERNS_12QueryMessageERNS_5CurOpES1&lt;/em&gt;+0x1575) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x828dcf5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x83b0c47&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_8SockAddrE+0x711) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x83b6bc1&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo10connThreadEPNS_13MessagingPortE+0x273) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x8526733&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5boost6detail11thread_dataINS_3_bi6bind_tIvPFvPN5mongo13MessagingPortEENS2_5list1INS2_5valueIS6_EEEEEEE3runEv+0x18) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x81f7c58&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(thread_proxy+0x7d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x853a7ed&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib/libpthread.so.0(+0x69c9) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x2399c9&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib/libc.so.6(clone+0x5e) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xbca6ee&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Tue Aug  2 05:07:01 dbexit:&lt;br/&gt;
Tue Aug  2 05:07:01 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1949&amp;#93;&lt;/span&gt; shutdown: going to close listening sockets...&lt;br/&gt;
Tue Aug  2 05:07:01 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1949&amp;#93;&lt;/span&gt; closing listening socket: 5&lt;br/&gt;
Tue Aug  2 05:07:01 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1949&amp;#93;&lt;/span&gt; closing listening socket: 6&lt;br/&gt;
Tue Aug  2 05:07:01 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1949&amp;#93;&lt;/span&gt; closing listening socket: 7&lt;br/&gt;
============================================================================================================================================================&lt;/p&gt;

&lt;p&gt;As far as I know, nothing fishy was happening client-side, just the usual hourly dump of data into Mongo.&lt;/p&gt;</description>
                <environment>Amazon Linux AMI on EC2: Linux domU-12-31-39-15-2A-A0 2.6.35.11-83.9.amzn1.i686 #1 SMP Sat Feb 19 23:41:56 UTC 2011 i686 i686 i386 GNU/Linux</environment>
        <key id="20391">SERVER-3516</key>
            <summary>Segfault during normal operation</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="4">Incomplete</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="apetresc">Adrian Petrescu</reporter>
                        <labels>
                            <label>crash</label>
                            <label>ec2</label>
                    </labels>
                <created>Tue, 2 Aug 2011 05:30:19 +0000</created>
                <updated>Tue, 2 Apr 2013 20:44:43 +0000</updated>
                            <resolved>Tue, 2 Apr 2013 20:44:43 +0000</resolved>
                                    <version>1.8.2</version>
                                                    <component>Stability</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="304505" author="ian@10gen.com" created="Tue, 2 Apr 2013 20:44:43 +0000"  >&lt;p&gt;Hi Adrian, because of the amount of time transpired since you filed this ticket I&apos;m resolving it as incomplete. My apologies for not responding sooner. Please do add a comment if you&apos;re still able to recreate (especially on 2.2.3 or 2.4.1) and I&apos;ll reopen this.&lt;/p&gt;</comment>
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