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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-32242] Fix race in CompatibleFirstStress lock manager test</title>
                <link>https://jira.mongodb.org/browse/SERVER-32242</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;A call to &lt;tt&gt;lockComplete&lt;/tt&gt; with timeout 0 may return &lt;tt&gt;LOCK_WAITING&lt;/tt&gt; even though another thread already was notified. So the invariant that &lt;tt&gt;lockComplete&lt;/tt&gt; must succeed if another thread is holding a &lt;tt&gt;MODE_S&lt;/tt&gt; lock is invalid.&lt;/p&gt;
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        <key id="470093">SERVER-32242</key>
            <summary>Fix race in CompatibleFirstStress lock manager test</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="5" iconUrl="https://jira.mongodb.org/images/icons/priorities/trivial.svg">Trivial - P5</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="geert.bosch@mongodb.com">Geert Bosch</assignee>
                                    <reporter username="geert.bosch@mongodb.com">Geert Bosch</reporter>
                        <labels>
                    </labels>
                <created>Fri, 8 Dec 2017 22:15:14 +0000</created>
                <updated>Mon, 30 Oct 2023 23:10:04 +0000</updated>
                            <resolved>Mon, 11 Dec 2017 14:41:01 +0000</resolved>
                                    <version>3.7.1</version>
                                    <fixVersion>3.4.11</fixVersion>
                    <fixVersion>3.6.2</fixVersion>
                    <fixVersion>3.7.1</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="1764588" author="xgen-internal-githook" created="Wed, 3 Jan 2018 23:53:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Geert Bosch&apos;, &apos;username&apos;: &apos;GeertBosch&apos;, &apos;email&apos;: &apos;geert@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32242&quot; title=&quot;Fix race in CompatibleFirstStress lock manager test&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32242&quot;&gt;&lt;del&gt;SERVER-32242&lt;/del&gt;&lt;/a&gt; Fix race in CompatibleFirstStress lock manager test&lt;/p&gt;

&lt;p&gt;(cherry picked from commit cc13cb76a07a01cb0eb14bd4516a9ef9c073f1c7)&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/707f2e26f01bc9fa126877a275486f80f58ab004&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/707f2e26f01bc9fa126877a275486f80f58ab004&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1764586" author="xgen-internal-githook" created="Wed, 3 Jan 2018 23:53:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Geert Bosch&apos;, &apos;username&apos;: &apos;GeertBosch&apos;, &apos;email&apos;: &apos;geert@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32242&quot; title=&quot;Fix race in CompatibleFirstStress lock manager test&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32242&quot;&gt;&lt;del&gt;SERVER-32242&lt;/del&gt;&lt;/a&gt; Fix race in CompatibleFirstStress lock manager test&lt;/p&gt;

&lt;p&gt;(cherry picked from commit cc13cb76a07a01cb0eb14bd4516a9ef9c073f1c7)&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3dd94e853f1f6e682cad15fdc3c4b1351cfca2c9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3dd94e853f1f6e682cad15fdc3c4b1351cfca2c9&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1748346" author="xgen-internal-githook" created="Mon, 11 Dec 2017 14:39:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Geert Bosch&apos;, &apos;email&apos;: &apos;geert@mongodb.com&apos;, &apos;username&apos;: &apos;GeertBosch&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32242&quot; title=&quot;Fix race in CompatibleFirstStress lock manager test&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32242&quot;&gt;&lt;del&gt;SERVER-32242&lt;/del&gt;&lt;/a&gt; Fix race in CompatibleFirstStress lock manager test&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/cc13cb76a07a01cb0eb14bd4516a9ef9c073f1c7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/cc13cb76a07a01cb0eb14bd4516a9ef9c073f1c7&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1747526" author="geert.bosch" created="Fri, 8 Dec 2017 22:56:06 +0000"  >&lt;p&gt;The  situation here is that we have two threads A and B waiting for a lock. A receives notification of the lock grant, and tells B. Now B tries to wait for its lock with a timeout of 0 ms, but it receives &lt;tt&gt;LOCK_TIMEOUT&lt;/tt&gt;. This can happen because by the time we synchronize with the lock bucket to remove our request, we don&apos;t check to see if it was granted after all. As we don&apos;t know of any real reason to fix the lock manager to avoid this tiny unfairness, fix the test instead.&lt;/p&gt;</comment>
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