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<channel>
    <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>
    </build-info>


<item>
            <title>[SERVER-14185] Mongo Crashed after StepDown</title>
                <link>https://jira.mongodb.org/browse/SERVER-14185</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Hi,&lt;/p&gt;

&lt;p&gt;When we fire  &quot;rs.stepDown()&quot; command then our primary gets crashed instead of converting to Secondary.  It shouldn&apos;t happen. Please figure it, why  it&apos;s happening ?&lt;/p&gt;

&lt;p&gt;Let me know if you want anything else.&lt;/p&gt;</description>
                <environment>OS - Amazon Linux&lt;br/&gt;
Mongo Version- 2.6.1&lt;br/&gt;
Php Mongo Driver Version - 1.4.1&lt;br/&gt;
Running with 1 primary(1 vote), 1 secondary(1 vote) and 1 Arbiter (2 votes)&lt;br/&gt;
&lt;br/&gt;
</environment>
        <key id="140732">SERVER-14185</key>
            <summary>Mongo Crashed after StepDown</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="bruce.lucas@mongodb.com">Bruce Lucas</assignee>
                                    <reporter username="himanshu30">Himanshu Matta</reporter>
                        <labels>
                            <label>replication</label>
                    </labels>
                <created>Fri, 6 Jun 2014 06:13:25 +0000</created>
                <updated>Tue, 10 Jun 2014 17:24:50 +0000</updated>
                            <resolved>Mon, 9 Jun 2014 15:39:50 +0000</resolved>
                                    <version>2.6.1</version>
                                                    <component>Replication</component>
                                        <votes>1</votes>
                                    <watches>10</watches>
                                                                                                                <comments>
                            <comment id="613976" author="bruce.lucas@10gen.com" created="Mon, 9 Jun 2014 15:39:50 +0000"  >&lt;p&gt;We&apos;ll track the fix for the issue with mapReduce and stepDown in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-14186&quot; title=&quot;rs.stepDown during mapReduce causes fassert in logOp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-14186&quot;&gt;&lt;del&gt;SERVER-14186&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="613910" author="rassi@10gen.com" created="Mon, 9 Jun 2014 14:41:47 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=xbhanu&quot; class=&quot;user-hover&quot; rel=&quot;xbhanu&quot;&gt;xbhanu&lt;/a&gt;: you&apos;re encountering &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-13500&quot; title=&quot;Changing replica set configuration can crash running members&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-13500&quot;&gt;&lt;del&gt;SERVER-13500&lt;/del&gt;&lt;/a&gt; (an unrelated issue), which has been fixed for 2.6.1.  Please upgrade to 2.6.1.&lt;/p&gt;</comment>
                            <comment id="613709" author="xbhanu" created="Mon, 9 Jun 2014 11:59:08 +0000"  >&lt;p&gt;Yup. It started happening with me today as well. Pasting the error snippet from logs:-&lt;/p&gt;

&lt;p&gt;2014-06-09T07:11:40.856-0400 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn20&amp;#93;&lt;/span&gt; replSet info voting yea for arsenic43.nyc:27017 (4)&lt;br/&gt;
2014-06-09T07:11:42.317-0400 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn16&amp;#93;&lt;/span&gt; SocketException handling request, closing client connection: 9001 socket exception &lt;span class=&quot;error&quot;&gt;&amp;#91;SEND_ERROR&amp;#93;&lt;/span&gt; server &lt;span class=&quot;error&quot;&gt;&amp;#91;10.218.31.18:46374&amp;#93;&lt;/span&gt; &lt;br/&gt;
2014-06-09T07:11:42.327-0400 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsHealthPoll&amp;#93;&lt;/span&gt; replSet member arsenic43.nyc:27017 is now in state PRIMARY&lt;br/&gt;
2014-06-09T07:11:42.624-0400 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsBackgroundSync&amp;#93;&lt;/span&gt; replSet syncing to: arsenic43.nyc:27017&lt;br/&gt;
2014-06-09T07:11:42.625-0400 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsBackgroundSync&amp;#93;&lt;/span&gt; replset setting syncSourceFeedback to arsenic43.nyc:27017&lt;br/&gt;
2014-06-09T07:11:42.627-0400 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsBackgroundSync&amp;#93;&lt;/span&gt; SEVERE: Invalid access at address: 0xa8&lt;br/&gt;
2014-06-09T07:11:42.631-0400 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsBackgroundSync&amp;#93;&lt;/span&gt; SEVERE: Got signal: 11 (Segmentation fault).&lt;br/&gt;
Backtrace:0x11bd301 0x11bc6de 0x11bc7cf 0x32c8a0f710 0xeacaf6 0xeae0cf 0xeae49a 0xdf23cc 0xdf38ca 0xdf4e2d 0x1201c99 0x32c8a079d1 0x32c82e8b6d &lt;br/&gt;
 /u/choudhar/mongodb_extract/bin/mongod(_ZN5mongo15printStackTraceERSo+0x21) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x11bd301&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /u/choudhar/mongodb_extract/bin/mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x11bc6de&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /u/choudhar/mongodb_extract/bin/mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x11bc7cf&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libpthread.so.0() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x32c8a0f710&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /u/choudhar/mongodb_extract/bin/mongod(_ZN5mongo18SyncSourceFeedback13replHandshakeEv+0xb86) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xeacaf6&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /u/choudhar/mongodb_extract/bin/mongod(_ZN5mongo18SyncSourceFeedback8_connectERKSs+0x2df) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xeae0cf&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /u/choudhar/mongodb_extract/bin/mongod(_ZN5mongo18SyncSourceFeedback7connectEPKNS_6MemberE+0x21a) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xeae49a&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /u/choudhar/mongodb_extract/bin/mongod(_ZN5mongo7replset14BackgroundSync14getOplogReaderERNS_11OplogReaderE+0x68c) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xdf23cc&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /u/choudhar/mongodb_extract/bin/mongod(_ZN5mongo7replset14BackgroundSync7produceEv+0x3a) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xdf38ca&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /u/choudhar/mongodb_extract/bin/mongod(_ZN5mongo7replset14BackgroundSync14producerThreadEv+0x2d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xdf4e2d&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /u/choudhar/mongodb_extract/bin/mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x1201c99&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libpthread.so.0() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x32c8a079d1&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6(clone+0x6d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x32c82e8b6d&amp;#93;&lt;/span&gt;&lt;br/&gt;
2014-06-09T07:14:29.699-0400 ***** SERVER RESTARTED *****&lt;/p&gt;</comment>
                            <comment id="611029" author="himanshu30" created="Fri, 6 Jun 2014 11:16:21 +0000"  >&lt;p&gt;Yes, Solve this asap.&lt;/p&gt;</comment>
                            <comment id="610867" author="himanshu30" created="Fri, 6 Jun 2014 06:59:12 +0000"  >&lt;p&gt;Forget about Drivers version. Let&apos;s focus only on mongod process crashed issue which is not related to any driver version.&lt;/p&gt;

&lt;p&gt;We found two types of logs which seems related to crashed-&lt;br/&gt;
1) mongod(_ZN5mongo15printStackTraceERSo+0x21) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x11c0e91&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo10logContextEPKc+0x159) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x1163109&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo13fassertFailedEi+0xcd) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x114576d&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0xe4082a&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(&lt;em&gt;ZN5mongo5logOpEPKcS1_RKNS_7BSONObjEPS2_PbbPS3&lt;/em&gt;+0xee) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xe3beae&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo2mr5State18prepTempCollectionEv+0x1836) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x987236&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo2mr16MapReduceCommand3runERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb+0x2f7) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x999be7&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo12_execCommandEPNS_7CommandERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb+0x3a) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xa1e85a&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo7Command11execCommandEPS0_RNS_6ClientEiPKcRNS_7BSONObjERNS_14BSONObjBuilderEb+0xd5e) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xa1f8ce&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo12_runCommandsEPKcRNS_7BSONObjERNS_11_BufBuilderINS_16TrivialAllocatorEEERNS_14BSONObjBuilderEbi+0x6c6) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xa21086&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(&lt;em&gt;ZN5mongo11newRunQueryERNS_7MessageERNS_12QueryMessageERNS_5CurOpES1&lt;/em&gt;+0x2307) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xd4dae7&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0xb97322&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0x442) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xb99902&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE+0x9f) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x76b6af&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo17PortMessageServer17handleIncomingMsgEPv+0x4fb) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x117720b&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libpthread.so.0(+0x7f18) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7fe6b076cf18&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6(clone+0x6d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7fe6afa82e0d&amp;#93;&lt;/span&gt;&lt;br/&gt;
2014-06-03T12:33:13.837+0000 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1552&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;***aborting after fassert() failure&lt;/p&gt;


&lt;p&gt;2014-06-03T12:33:13.845+0000 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1552&amp;#93;&lt;/span&gt; SEVERE: Got signal: 6 (Aborted).&lt;br/&gt;
Backtrace:0x11c0e91 0x11c026e 0x7fe6af9d3fc0 0x7fe6af9d3f49 0x7fe6af9d5348 0x11457da 0xe4082a 0xe3beae 0x987236 0x999be7 0xa1e85a 0xa1f8ce 0xa21086 0xd4dae7 0xb97322 0xb99902 0x76b6af 0x117720b 0x7fe6b076cf18 0x7fe6afa82e0d&lt;br/&gt;
 mongod(_ZN5mongo15printStackTraceERSo+0x21) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x11c0e91&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x11c026e&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6(+0x33fc0) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7fe6af9d3fc0&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6(gsignal+0x39) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7fe6af9d3f49&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6(abort+0x148) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7fe6af9d5348&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo13fassertFailedEi+0x13a) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x11457da&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0xe4082a&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(&lt;em&gt;ZN5mongo5logOpEPKcS1_RKNS_7BSONObjEPS2_PbbPS3&lt;/em&gt;+0xee) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xe3beae&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo2mr5State18prepTempCollectionEv+0x1836) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x987236&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo2mr16MapReduceCommand3runERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb+0x2f7) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x999be7&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo12_execCommandEPNS_7CommandERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb+0x3a) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xa1e85a&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo7Command11execCommandEPS0_RNS_6ClientEiPKcRNS_7BSONObjERNS_14BSONObjBuilderEb+0xd5e) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xa1f8ce&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo12_runCommandsEPKcRNS_7BSONObjERNS_11_BufBuilderINS_16TrivialAllocatorEEERNS_14BSONObjBuilderEbi+0x6c6) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xa21086&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(&lt;em&gt;ZN5mongo11newRunQueryERNS_7MessageERNS_12QueryMessageERNS_5CurOpES1&lt;/em&gt;+0x2307) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xd4dae7&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0xb97322&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0x442) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xb99902&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE+0x9f) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x76b6af&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo17PortMessageServer17handleIncomingMsgEPv+0x4fb) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x117720b&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libpthread.so.0(+0x7f18) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7fe6b076cf18&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6(clone+0x6d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7fe6afa82e0d&amp;#93;&lt;/span&gt;&lt;/p&gt;



&lt;p&gt;2)2014-06-03T12:02:54.929+0000 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsHealthPoll&amp;#93;&lt;/span&gt; warning: Failed to connect to 10.0.0.67:10007, reason: errno:111 Connection refused&lt;br/&gt;
2014-06-03T12:02:54.929+0000 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsHealthPoll&amp;#93;&lt;/span&gt; replset info 10.0.0.67:10007 heartbeat failed, retrying&lt;br/&gt;
2014-06-03T12:02:54.930+0000 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsHealthPoll&amp;#93;&lt;/span&gt; warning: Failed to connect to 10.0.0.67:10007, reason: errno:111 Connection refused&lt;br/&gt;
2014-06-03T12:02:54.930+0000 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsHealthPoll&amp;#93;&lt;/span&gt; couldn&apos;t connect to 10.0.0.67:10007: couldn&apos;t connect to server 10.0.0.67:10007 (10.0.0.67) failed, connection attempt failed&lt;br/&gt;
2014-06-03T12:02:54.930+0000 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsHealthPoll&amp;#93;&lt;/span&gt; warning: Failed to connect to 10.0.0.67:10007, reason: errno:111 Connection refused&lt;br/&gt;
2014-06-03T12:02:54.930+0000 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsHealthPoll&amp;#93;&lt;/span&gt; couldn&apos;t connect to 10.0.0.67:10007: couldn&apos;t connect to server 10.0.0.67:10007 (10.0.0.67) failed, connection attempt failed&lt;br/&gt;
2014-06-03T12:02:55.019+0000 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn9785&amp;#93;&lt;/span&gt; SEVERE: Invalid access at address: 0x200a0066c2&lt;br/&gt;
2014-06-03T12:02:55.194+0000 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn9785&amp;#93;&lt;/span&gt; SEVERE: Got signal: 11 (Segmentation fault).&lt;br/&gt;
Backtrace:0x11bd301 0x11bc6de 0x11bc7cf 0x7f57b3ad85b0 0x796892 0x796fbf 0x79773d 0x7979ff 0xc3d34a 0xc48ca6 0xb8f1c9 0xb993e8 0x76b76f 0x117367b 0x7f57b3ad0f18 0x7f57b2de6e0d&lt;br/&gt;
 mongod(_ZN5mongo15printStackTraceERSo+0x21) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x11bd301&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x11bc6de&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x11bc7cf&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libpthread.so.0(+0xf5b0) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7f57b3ad85b0&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZNK5mongo11mutablebson8Document4Impl12writeElementINS_16BSONArrayBuilderEEEvjPT_PKNS_10StringDataE+0x52) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x796892&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(&lt;em&gt;ZNK5mongo11mutablebson8Document4Impl13writeChildrenINS_16BSONArrayBuilderEEEvjPT&lt;/em&gt;+0x4f) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x796fbf&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZNK5mongo11mutablebson8Document4Impl12writeElementINS_14BSONObjBuilderEEEvjPT_PKNS_10StringDataE+0x22d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x79773d&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(&lt;em&gt;ZNK5mongo11mutablebson8Document4Impl13writeChildrenINS_14BSONObjBuilderEEEvjPT&lt;/em&gt;+0x4f) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7979ff&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo6updateERKNS_13UpdateRequestEPNS_7OpDebugEPNS_12UpdateDriverEPNS_14CanonicalQueryE+0x115a) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xc3d34a&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo14UpdateExecutor7executeEv+0x66) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xc48ca6&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo14receivedUpdateERNS_7MessageERNS_5CurOpE+0x729) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xb8f1c9&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0xec8) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xb993e8&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE+0x9f) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x76b76f&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongod(_ZN5mongo17PortMessageServer17handleIncomingMsgEPv+0x4fb) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x117367b&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libpthread.so.0(+0x7f18) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7f57b3ad0f18&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6(clone+0x6d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7f57b2de6e0d&amp;#93;&lt;/span&gt;&lt;/p&gt;



&lt;p&gt;Let me know if these logs are not enough then I&apos;ll upload the whole log file.&lt;/p&gt;</comment>
                            <comment id="610845" author="jmikola@gmail.com" created="Fri, 6 Jun 2014 06:29:43 +0000"  >&lt;p&gt;Please elaborate on the actual errors you are seeing. Saying the &quot;primary gets crashed&quot; implies that the mongod process itself is terminating, which wouldn&apos;t have much to do with the driver. If you mean to say that the driver is crashing, please specify if there is a segfault or simply an exception. And if so, either provide the core dump or full stack trace, respectively.&lt;/p&gt;

&lt;p&gt;Server logs for the relevant mongod processes would be helpful in the event of a server crash. For diagnosing a driver crash or error, please attempt to collect driver logs via the MongoLog class. The example on &lt;a href=&quot;http://www.php.net/manual/en/mongolog.setcallback.php#refsect1-mongolog.setcallback-examples&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;MongoLog::setCallback()&lt;/a&gt; can be used to collect log info at all levels and from all modules within the driver. You can customize the callback function accordingly to either print the output directly or append it to an output file.&lt;/p&gt;

&lt;p&gt;Lastly, I see that you mentioned driver version 1.4.1 in the &quot;Environment&quot; field of this ticket, but the &quot;Affects Version&quot; is 1.5.0. Please confirm which driver version you are using. If you are on 1.4.1, note that it was released approximately one year ago. I would suggest you update to a more recent version and attempt to reproduce your issue with 1.5.3 (the latest stable release). Versions may be found on &lt;a href=&quot;http://pecl.php.net/mongo&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://pecl.php.net/mongo&lt;/a&gt;&lt;/p&gt;</comment>
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