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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-17488] mongodb-2.6.[678] client startup fail: segmentation fault</title>
                <link>https://jira.mongodb.org/browse/SERVER-17488</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Hi,&lt;/p&gt;

&lt;p&gt;I&apos;m trying to run mongodb on my gentoo box.&lt;/p&gt;

&lt;p&gt;If I try to run mongo without the server being started, I get a connection refused error and the client gracefully exits as everyone would expect.&lt;/p&gt;

&lt;p&gt;If the server is running, I always get the following error message at the very beginning of the startup of mongo:&lt;/p&gt;

&lt;p&gt;MongoDB shell version: 2.6.6&lt;br/&gt;
connecting to: 127.0.0.1/asd&lt;br/&gt;
2015-02-26T15:56:22.488+0100 mongo got signal 11 (Segmentation fault), stack trace:&lt;br/&gt;
2015-02-26T15:56:22.490+0100 0x7d1c99 0x5e4d09 0x7f3025a3eb00 0x9c1222 0xa31bd8 0xa31c14 0xa36fbe 0x9cf84b 0x9dac68 0x9db085 0x8787d0 0x99b4a8 0x937ebd 0x3ea764206362&lt;br/&gt;
 mongo(_ZN5mongo15printStackTraceERSo+0x39) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7d1c99&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongo(_Z12quitAbruptlyi+0x119) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5e4d09&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6(+0x33b00) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7f3025a3eb00&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongo(_ZN2v88internal6String11WriteToFlatItEEvPS1_PT_ii+0x692) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x9c1222&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongo(_ZN2v88internal33GenericStringUtf16CharacterStream10FillBufferEjj+0x38) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xa31bd8&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongo(_ZN2v88internal28BufferedUtf16CharacterStream9ReadBlockEv+0x34) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xa31c14&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongo(_ZN2v88internal7Scanner10InitializeEPNS0_20Utf16CharacterStreamE+0x5e) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xa36fbe&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongo(_ZN2v88internal6Parser9ParseLazyEPNS0_20Utf16CharacterStreamEPNS0_9ZoneScopeE+0x3b) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x9cf84b&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongo(_ZN2v88internal6Parser9ParseLazyEv+0x158) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x9dac68&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongo(_ZN2v88internal9ParserApi5ParseEPNS0_15CompilationInfoEi+0x205) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x9db085&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongo(_ZN2v88internal8Compiler11CompileLazyEPNS0_15CompilationInfoE+0xf0) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x8787d0&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongo(_ZN2v88internal10JSFunction11CompileLazyENS0_6HandleIS1_EENS0_18ClearExceptionFlagE+0x1a8) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x99b4a8&amp;#93;&lt;/span&gt;&lt;br/&gt;
 mongo(_ZN2v88internal11CallIC_MissENS0_9ArgumentsEPNS0_7IsolateE+0x27d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x937ebd&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;0x3ea764206362&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;I get the same error for every version that I tried, 2.6.6, 2.6.7, 2.6.8.&lt;/p&gt;

&lt;p&gt;Anyone any suggestions?&lt;br/&gt;
I already asked asked on a Gentoo-ML but no one answered. According to the error messages I think it&apos;s not gentoo related issue.&lt;/p&gt;

&lt;p&gt;If you need any further information do not hesitate to ask me.&lt;/p&gt;

&lt;p&gt;Cheers&lt;br/&gt;
  Ralf&lt;/p&gt;</description>
                <environment>amd64&lt;br/&gt;
glibc-2.20-r2</environment>
        <key id="187853">SERVER-17488</key>
            <summary>mongodb-2.6.[678] client startup fail: segmentation fault</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="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="rralf">Ralf R</reporter>
                        <labels>
                    </labels>
                <created>Fri, 6 Mar 2015 14:11:39 +0000</created>
                <updated>Fri, 6 Mar 2015 15:35:27 +0000</updated>
                            <resolved>Fri, 6 Mar 2015 14:25:14 +0000</resolved>
                                    <version>2.6.6</version>
                    <version>2.6.7</version>
                    <version>2.6.8</version>
                                                    <component>Tools</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="844835" author="rralf" created="Fri, 6 Mar 2015 15:34:29 +0000"  >&lt;p&gt;Ok, after further investigations I found out that &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-16985&quot; title=&quot;Segmentation fault in mongo, V8&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-16985&quot;&gt;&lt;del&gt;SERVER-16985&lt;/del&gt;&lt;/a&gt; is not directly related.&lt;/p&gt;

&lt;p&gt;But nevertheless it gave me some hints how to fix my problem: playing around with the -march flag.&lt;/p&gt;

&lt;p&gt;I changed my -march from corei7-avx to core2, recompiled mongo and now it works fine. But: my system has a i7-2720QM which supports avx, the corei7-avx is definitely the correct -march instruction set switch for this cpu.&lt;/p&gt;

&lt;p&gt;So I still suppose this is a bug of mongo. But for my special case i was able to fix it.&lt;/p&gt;

&lt;p&gt;Cheers&lt;/p&gt;</comment>
                            <comment id="844793" author="rralf" created="Fri, 6 Mar 2015 14:42:58 +0000"  >&lt;p&gt;Thank you. I tried to search for a similar bug but I didn&apos;t find I. I try to follow the instructions.&lt;/p&gt;</comment>
                            <comment id="844781" author="milkie" created="Fri, 6 Mar 2015 14:25:14 +0000"  >&lt;p&gt;See &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-16985&quot; title=&quot;Segmentation fault in mongo, V8&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-16985&quot;&gt;&lt;del&gt;SERVER-16985&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
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