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    <title>Whamcloud Community JIRA</title>
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    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.4.14</version>
        <build-number>940014</build-number>
        <build-date>05-12-2023</build-date>
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<item>
            <title>[LU-2918] Test failure on test suite sanity</title>
                <link>https://jira.whamcloud.com/browse/LU-2918</link>
                <project id="10000" key="LU">Lustre</project>
                    <description>&lt;p&gt;This issue was created by maloo for jay &amp;lt;jay@whamcloud.com&amp;gt;&lt;/p&gt;

&lt;p&gt;This issue relates to the following test suite run: &lt;a href=&quot;https://maloo.whamcloud.com/test_sets/fcce89f4-85a6-11e2-926e-52540035b04c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://maloo.whamcloud.com/test_sets/fcce89f4-85a6-11e2-926e-52540035b04c&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;== sanity test 184c: Concurrent write and layout swap == 01:39:55 (1362476395)&lt;br/&gt;
50+0 records in&lt;br/&gt;
50+0 records out&lt;br/&gt;
52428800 bytes (52 MB) copied, 10.6071 s, 4.9 MB/s&lt;br/&gt;
48+0 records in&lt;br/&gt;
48+0 records out&lt;br/&gt;
50331648 bytes (50 MB) copied, 10.3514 s, 4.9 MB/s&lt;br/&gt;
ref file size: ref1(52428800), ref2(50331648)&lt;br/&gt;
error: cannot open for write /mnt/lustre/d0.sanity/d184/184c/file1: No such file or directory (2)&lt;br/&gt;
3200+0 records in&lt;br/&gt;
3200+0 records out&lt;br/&gt;
52428800 bytes (52 MB) copied, 3.44912 s, 15.2 MB/s&lt;br/&gt;
 sanity test_184c: @@@@@@ FAIL: swap of /mnt/lustre/d0.sanity/d184/184c/file1 and /mnt/lustre/d0.sanity/d184/184c/file2 failed &lt;br/&gt;
  Trace dump:&lt;br/&gt;
  = /usr/lib64/lustre/tests/test-framework.sh:3973:error_noexit()&lt;br/&gt;
  = /usr/lib64/lustre/tests/test-framework.sh:3996:error()&lt;br/&gt;
  = /usr/lib64/lustre/tests/sanity.sh:9433:test_184c()&lt;br/&gt;
  = /usr/lib64/lustre/tests/test-framework.sh:4251:run_one()&lt;br/&gt;
  = /usr/lib64/lustre/tests/test-framework.sh:4284:run_one_logged()&lt;br/&gt;
  = /usr/lib64/lustre/tests/test-framework.sh:4139:run_test()&lt;br/&gt;
  = /usr/lib64/lustre/tests/sanity.sh:9451:main()&lt;br/&gt;
Dumping lctl log to /logdir/test_logs/2013-03-05/lustre-reviews-el6-x86_64-&lt;del&gt;review&lt;/del&gt;-1_2_1_&lt;em&gt;13755&lt;/em&gt;_-70011916101860-001958/sanity.test_184c.*.1362476424.log&lt;br/&gt;
CMD: client-13vm1.lab.whamcloud.com,client-13vm2,client-13vm3,client-13vm4 /usr/sbin/lctl dk &amp;gt; /logdir/test_logs/2013-03-05/lustre-reviews-el6-x86_64-&lt;del&gt;review&lt;/del&gt;-1_2_1_&lt;em&gt;13755&lt;/em&gt;_-70011916101860-001958/sanity.test_184c.debug_log.\$(hostname -s).1362476424.log;&lt;br/&gt;
         dmesg &amp;gt; /logdir/test_logs/2013-03-05/lustre-reviews-el6-x86_64-&lt;del&gt;review&lt;/del&gt;-1_2_1_&lt;em&gt;13755&lt;/em&gt;_-70011916101860-001958/sanity.test_184c.dmesg.\$(hostname -s).1362476424.log&lt;/p&gt;</description>
                <environment></environment>
        <key id="17779">LU-2918</key>
            <summary>Test failure on test suite sanity</summary>
                <type id="1" iconUrl="https://jira.whamcloud.com/secure/viewavatar?size=xsmall&amp;avatarId=11303&amp;avatarType=issuetype">Bug</type>
                                            <priority id="1" iconUrl="https://jira.whamcloud.com/images/icons/priorities/blocker.svg">Blocker</priority>
                        <status id="5" iconUrl="https://jira.whamcloud.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="1">Fixed</resolution>
                                        <assignee username="jay">Jinshan Xiong</assignee>
                                    <reporter username="maloo">Maloo</reporter>
                        <labels>
                            <label>HB</label>
                    </labels>
                <created>Wed, 6 Mar 2013 10:39:38 +0000</created>
                <updated>Wed, 1 Oct 2014 07:15:33 +0000</updated>
                            <resolved>Wed, 13 Mar 2013 14:42:11 +0000</resolved>
                                    <version>Lustre 2.4.0</version>
                                    <fixVersion>Lustre 2.4.0</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                            <comments>
                            <comment id="53446" author="jay" created="Wed, 6 Mar 2013 10:52:40 +0000"  >&lt;p&gt;Apparently when it tried to swap layout, the dd process wasn&apos;t even started to copy file. Usually the script sleeps a little while to yield CPU but it&apos;s broken sometimes on a busy VM.&lt;/p&gt;

&lt;p&gt;I think we need a reliable way to yield CPU and make sure the execution order of processes. It will be implemented in framework.&lt;/p&gt;</comment>
                            <comment id="53458" author="jay" created="Wed, 6 Mar 2013 13:29:45 +0000"  >&lt;p&gt;patch is at: &lt;a href=&quot;http://review.whamcloud.com/5617&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://review.whamcloud.com/5617&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10011">
                    <name>Related</name>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="17545">LU-2805</issuekey>
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