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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-48030] Fix deadlock with GetShardMap and old RSM</title>
                <link>https://jira.mongodb.org/browse/SERVER-48030</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The GetShardMap command is holding the ShardRegistryData _mutex, and trying to obtain the ScanningReplicaSetMonitor::SetState lock via a call to ScanningReplicaSetMonitor::getServerAddress. At the same time replica set monitor is publishing it&apos;s onConfirmed set event. It obtains the SetState _mutex, and is trying to obtain the ShardRegistryData _mutex via a call to rebuildShardIfExists.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1343979">SERVER-48030</key>
            <summary>Fix deadlock with GetShardMap and old RSM</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="13201">Fixed</resolution>
                                        <assignee username="lamont.nelson@mongodb.com">Lamont Nelson</assignee>
                                    <reporter username="lamont.nelson@mongodb.com">Lamont Nelson</reporter>
                        <labels>
                    </labels>
                <created>Fri, 8 May 2020 00:39:36 +0000</created>
                <updated>Sun, 29 Oct 2023 22:08:32 +0000</updated>
                            <resolved>Tue, 27 Oct 2020 17:59:17 +0000</resolved>
                                                    <fixVersion>4.4.2</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="3465113" author="xgen-internal-githook" created="Tue, 27 Oct 2020 17:42:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;LaMont Nelson&apos;, &apos;email&apos;: &apos;lamont.nelson@mongodb.com&apos;, &apos;username&apos;: &apos;lamontnelson&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48030&quot; title=&quot;Fix deadlock with GetShardMap and old RSM&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48030&quot;&gt;&lt;del&gt;SERVER-48030&lt;/del&gt;&lt;/a&gt; Fix deadlock with GetShardMap and old RSM&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/16186d9f4a5f7dd83af728d3d5c3660420181b38&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/16186d9f4a5f7dd83af728d3d5c3660420181b38&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3464991" author="lamont.nelson" created="Tue, 27 Oct 2020 16:46:25 +0000"  >&lt;p&gt;Code review: &lt;a href=&quot;https://mongodbcr.appspot.com/681080001/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://mongodbcr.appspot.com/681080001/&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3075077" author="lamont.nelson" created="Fri, 8 May 2020 00:42:08 +0000"  >&lt;p&gt;This issue doesn&apos;t exist with the new RSM since it doesn&apos;t hold it&apos;s topology state mutex (in TopologyManager) while publishing the onConfirmedSet event.&lt;/p&gt;</comment>
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