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    <title>MongoDB Jira</title>
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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-48622] stacktrace_test segfaults with TSAN</title>
                <link>https://jira.mongodb.org/browse/SERVER-48622</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;tt&gt;PrintAllThreadStacksTest&lt;/tt&gt; (specifically, the &lt;tt&gt;WithDeadThreads&lt;/tt&gt; case) fails with a segfault when compiled with TSAN. After some discussion with &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=billy.donahue&quot; class=&quot;user-hover&quot; rel=&quot;billy.donahue&quot;&gt;billy.donahue&lt;/a&gt;, we discovered that TSAN has internal threads which may be blocking &lt;tt&gt;SIGUSR2&lt;/tt&gt;, which violates some assumptions the server has about which threads are running and what signals they can receive.&lt;/p&gt;

&lt;p&gt;It might be a good idea to fix this assumption so we can fully exercise the server with TSAN testing. However, I have disabled the test with TSAN for the time being in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48597&quot; title=&quot;Fix stack trace unit tests with TSAN&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48597&quot;&gt;&lt;del&gt;SERVER-48597&lt;/del&gt;&lt;/a&gt; so we can get the results of more tests.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1373742">SERVER-48622</key>
            <summary>stacktrace_test segfaults with TSAN</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="1" iconUrl="https://jira.mongodb.org/images/icons/statuses/open.png" description="">Open</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-server-servicearch">Backlog - Service Architecture</assignee>
                                    <reporter username="ryan.egesdahl@mongodb.com">Ryan Egesdahl</reporter>
                        <labels>
                            <label>servicearch-wfbf-day</label>
                    </labels>
                <created>Fri, 5 Jun 2020 17:21:35 +0000</created>
                <updated>Tue, 6 Dec 2022 02:24:58 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4262693" author="JIRAUSER1262719" created="Tue, 21 Dec 2021 21:32:45 +0000"  >&lt;p&gt;We haven&#8217;t heard back from you in at least 1 year, so I&apos;m going to close this ticket. If this is still an issue for you, please provide additional information and we will reopen the ticket.&lt;/p&gt;</comment>
                            <comment id="3284919" author="acm" created="Tue, 14 Jul 2020 18:40:09 +0000"  >&lt;p&gt;Please note the TSAN bug in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49078&quot; title=&quot;Suppress ThreadSanitizer: signal-unsafe call inside of a signal&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49078&quot;&gt;&lt;del&gt;SERVER-49078&lt;/del&gt;&lt;/a&gt; which is likely the cause of this issue.&lt;/p&gt;</comment>
                            <comment id="3197619" author="ryan.egesdahl" created="Tue, 9 Jun 2020 17:23:01 +0000"  >&lt;p&gt;To clarify: while I will be working on a part of this in the sense that I am disabling the feature with TSAN, I think it still needs to be fixed so it can work with TSAN so developers can have their normal debugging workflow when diagnosing TSAN issues. That second part is something I am not working on right now.&lt;/p&gt;</comment>
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            <issuekey id="1389522">SERVER-49078</issuekey>
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            <issuelink>
            <issuekey id="1955377">SERVER-62218</issuekey>
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