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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-11183] core PerfTests::Throw failing on OS X 10.8 C++11 DEBUG  </title>
                <link>https://jira.mongodb.org/browse/SERVER-11183</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This is probably the lowest priority of our build failures. But if this failure indicates another buried issue which has wider impact, let&apos;s dig into it.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://mci.10gen.com/ui/task/mongodb_mongo_master_osx_108_cxx11_debug_d1c2ae72c4829ed77cb6b7fe42e486910483caff_13_10_14_23_27_05_core_osx_108&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;d1c2ae72c482   OS X 10.8 C++11 DEBUG   core&lt;/a&gt; (&lt;a href=&quot;http://buildlogs.mongodb.org/mci_0.9_osx_108_cxx11_debug/builds/1337/test/core_0/test&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;logfile&lt;/a&gt;)&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2013-10-14T20:57:48.617-0400 [testsuite] perf                           | tests:   48 | fails:    1 | assert calls:         11 | time secs: 30.574&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;	PerfTests::Throw&amp;lt;&amp;amp;(PerfTests::thr4(int))&amp;gt;	 std::exception: testexception in test PerfTests::Throw&amp;lt;&amp;amp;(PerfTests::thr4(int))&amp;gt;&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
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&lt;p/&gt;

&lt;p&gt;The output is really brief:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2013-10-14T20:55:29.472-0400 [testsuite] 	 going to run test: PerfTests::Throw&amp;lt;&amp;amp;(PerfTests::thr4(int))&amp;gt;&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2013-10-14T20:55:29.477-0400 [testsuite] CMD: drop perftest.throw&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2013-10-14T20:55:29.482-0400 [testsuite] FAIL: PerfTests::Throw&amp;lt;&amp;amp;(PerfTests::thr4(int))&amp;gt;	 std::exception: testexception in test PerfTests::Throw&amp;lt;&amp;amp;(PerfTests::thr4(int))&amp;gt;&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;What&apos;s interesting is that it has been failing consistently since d2651c8f82d9 (CommitDate: Wed Oct 2)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://mci.10gen.com/ui/task/mongodb_mongo_master_osx_108_cxx11_debug_d2651c8f82d90d097f5a53f69ab7edddc0844d47_13_10_02_20_15_25_core_osx_108&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;d2651c8f82d9   OS X 10.8 C++11 DEBUG   core&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;And it was solid green before that.&lt;/p&gt;</description>
                <environment></environment>
        <key id="94184">SERVER-11183</key>
            <summary>core PerfTests::Throw failing on OS X 10.8 C++11 DEBUG  </summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="9">Done</resolution>
                                        <assignee username="andrew.morrow@mongodb.com">Andrew Morrow</assignee>
                                    <reporter username="matt.kangas">Matt Kangas</reporter>
                        <labels>
                            <label>buildbot</label>
                    </labels>
                <created>Tue, 15 Oct 2013 01:32:37 +0000</created>
                <updated>Mon, 11 Jul 2016 17:37:28 +0000</updated>
                            <resolved>Fri, 18 Oct 2013 19:03:29 +0000</resolved>
                                                    <fixVersion>2.5.4</fixVersion>
                                    <component>Testing Infrastructure</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="443153" author="auto" created="Fri, 18 Oct 2013 18:48:13 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;acmorrow&apos;, u&apos;name&apos;: u&apos;Andrew Morrow&apos;, u&apos;email&apos;: u&apos;acm@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-11183&quot; title=&quot;core PerfTests::Throw failing on OS X 10.8 C++11 DEBUG  &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-11183&quot;&gt;&lt;del&gt;SERVER-11183&lt;/del&gt;&lt;/a&gt; Conditionally disable test that clang-3.2 mis-optimizes.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/715d1a6629b86d4a892d6ff74889e84bda00c522&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/715d1a6629b86d4a892d6ff74889e84bda00c522&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="441129" author="acm" created="Tue, 15 Oct 2013 20:22:40 +0000"  >&lt;p&gt;Bumping to 2.5.4: We don&apos;t need 2.5.3 green on C++11 builders, and we do understand the root cause. I do have a fix ready, but not worth even the low risk of disrupting 2.5.3 to get this in this late in the game.&lt;/p&gt;</comment>
                            <comment id="441030" author="acm" created="Tue, 15 Oct 2013 18:09:43 +0000"  >&lt;p&gt;I&apos;d hoped to be able to patch this in a way that would never require that we revisit it, but apparently we can&apos;t test the &amp;#95;&amp;#95;clang_major&amp;#95;&amp;#95; and &amp;#95;&amp;#95;clang_minor&amp;#95;&amp;#95; defines meaningfully due to Apple&apos;s meddling (see &lt;a href=&quot;http://stackoverflow.com/questions/19387043/how-can-i-reliably-detect-the-version-of-clang-at-preprocessing-time&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://stackoverflow.com/questions/19387043/how-can-i-reliably-detect-the-version-of-clang-at-preprocessing-time&lt;/a&gt;).&lt;/p&gt;

&lt;p&gt;We will need to make the test unconditional to skip the test on clang, at least until we know that all platforms we want to target are clang-3.3 or better.&lt;/p&gt;</comment>
                            <comment id="440676" author="acm" created="Tue, 15 Oct 2013 02:43:16 +0000"  >&lt;p&gt;This is a known issue, tracked in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-9767&quot; title=&quot;Clang 3.2 miscompiles Perftests::thr4&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-9767&quot;&gt;&lt;del&gt;SERVER-9767&lt;/del&gt;&lt;/a&gt;. The underlying cause is an optimizer bug in the XCode clang version being used on the build machine. The clang bug is fixed in XCode 5. However, we can&apos;t yet move to XCode 5 because of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-11099&quot; title=&quot;clang compiled mongo shell crashes on exit with a stack trace in v8&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-11099&quot;&gt;&lt;del&gt;SERVER-11099&lt;/del&gt;&lt;/a&gt;, for which we have no known workaround.&lt;/p&gt;

&lt;p&gt;As for why it went from solid green to solid red: we turned on optimization for all DEBUG builds, so the cause of this is is in the MCI configuration repo, not the mongodb repo.&lt;/p&gt;

&lt;p&gt;As potential short term workarounds, we can either turn optimization off for this builder (assuming it doesn&apos;t run any tests that will take an egregiously long time in that mode - we can look and see what the total test runtime for the builder was for some build before we enabled optimizations), or we can just #ifdef out this particular test when _&lt;em&gt;clang&lt;/em&gt;_ is defined, until we can move to XCode 5.&lt;/p&gt;</comment>
                    </comments>
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