Whamcloud Community JIRA https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 [LU-9113] insanity test_0 umount fails for /mnt/lustre-mds1, "Fail all nodes" test can't start https://jira.whamcloud.com/browse/LU-9113 Lustre <p><a href="https://testing.hpdd.intel.com/test_sets/3c80e50a-efe9-11e6-8c0d-5254006e85c2" class="external-link" target="_blank" rel="nofollow noopener">https://testing.hpdd.intel.com/test_sets/3c80e50a-efe9-11e6-8c0d-5254006e85c2</a></p> <p>Client tries multiple times (unsuccessfully) to unmount mds1, but eventually times out.</p> <p>From MDS console:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>02:50:15:[ 4080.084137] INFO: task umount:19374 blocked for more than 120 seconds. 02:50:15:[ 4080.086174] "echo 0 &gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message. 02:50:15:[ 4080.088282] umount D ffff8800793b7fc0 0 19374 19373 0x00000080 02:50:15:[ 4080.090408] ffff880056d43bd0 0000000000000086 ffff8800422ebec0 ffff880056d43fd8 02:50:15:[ 4080.092523] ffff880056d43fd8 ffff880056d43fd8 ffff8800422ebec0 ffff8800793b7fb8 02:50:15:[ 4080.094612] ffff8800793b7fbc ffff8800422ebec0 00000000ffffffff ffff8800793b7fc0 02:50:15:[ 4080.096724] Call Trace: 02:50:15:[ 4080.098391] [&lt;ffffffff8168cad9&gt;] schedule_preempt_disabled+0x29/0x70 02:50:15:[ 4080.100447] [&lt;ffffffff8168a735&gt;] __mutex_lock_slowpath+0xc5/0x1c0 02:50:15:[ 4080.102429] [&lt;ffffffff81689b9f&gt;] mutex_lock+0x1f/0x2f 02:50:15:[ 4080.104322] [&lt;ffffffffa0ce6a56&gt;] mgc_process_config+0x7d6/0x1400 [mgc] 02:50:15:[ 4080.106336] [&lt;ffffffff810bc064&gt;] ? __wake_up+0x44/0x50 02:50:15:[ 4080.108272] [&lt;ffffffffa0b37225&gt;] obd_process_config.constprop.14+0x85/0x2d0 [obdclass] 02:50:15:[ 4080.110413] [&lt;ffffffffa0b375f0&gt;] ? lustre_cfg_new+0x180/0x400 [obdclass] 02:50:15:[ 4080.112481] [&lt;ffffffffa0b39440&gt;] lustre_end_log+0xf0/0x5c0 [obdclass] 02:50:15:[ 4080.114533] [&lt;ffffffffa0b61d2e&gt;] server_put_super+0x7de/0xcd0 [obdclass] 02:50:15:[ 4080.116595] [&lt;ffffffff81200802&gt;] generic_shutdown_super+0x72/0xf0 02:50:15:[ 4080.118594] [&lt;ffffffff81200bd2&gt;] kill_anon_super+0x12/0x20 02:50:15:[ 4080.120545] [&lt;ffffffffa0b36db2&gt;] lustre_kill_super+0x32/0x50 [obdclass] 02:50:15:[ 4080.122589] [&lt;ffffffff81200f89&gt;] deactivate_locked_super+0x49/0x60 02:50:15:[ 4080.124609] [&lt;ffffffff81201586&gt;] deactivate_super+0x46/0x60 02:50:15:[ 4080.126559] [&lt;ffffffff8121e9c5&gt;] mntput_no_expire+0xc5/0x120 02:50:15:[ 4080.128491] [&lt;ffffffff8121fb00&gt;] SyS_umount+0xa0/0x3b0 02:50:15:[ 4080.130375] [&lt;ffffffff81696949&gt;] system_call_fastpath+0x16/0x1b </pre> </div></div> onyx-30vm1-3/7/8, Full Group test, <br/> master branch, v2.9.52, b3520, <br/> DNE, ZFS LU-9113 insanity test_0 umount fails for /mnt/lustre-mds1, "Fail all nodes" test can't start Bug Minor Closed Duplicate WC Triage James Casper Tue, 14 Feb 2017 00:18:33 +0000 Wed, 12 Apr 2017 18:22:04 +0000 Fri, 7 Apr 2017 16:41:22 +0000 Lustre 2.10.0 0 1 <p>Just saw this with a patch test that was trying to run replay-dual five times in a row:</p> <p><a href="https://testing.hpdd.intel.com/test_sessions/a32a6368-1702-4ce5-a99b-a7375a0aea8b" class="external-link" target="_blank" rel="nofollow noopener">https://testing.hpdd.intel.com/test_sessions/a32a6368-1702-4ce5-a99b-a7375a0aea8b</a></p> <p>Replay-dual passes consistently following lustre init (when 21b is excepted), but not when it follows a passing replay-dual test set. </p> <p>Looked at the traces below the one pasted above. They contain the following:</p> <p>mgs_ir_fini_fs+0x27e/0x2ec <span class="error">&#91;mgs&#93;</span></p> <p>Closing this ticket as a dupe of <a href="https://jira.whamcloud.com/browse/LU-8502" title="replay-vbr: umount hangs waiting for mgs_ir_fini_fs " class="issue-link" data-issue-key="LU-8502"><del>LU-8502</del></a>.</p> <p>Dupe of <a href="https://jira.whamcloud.com/browse/LU-8502" title="replay-vbr: umount hangs waiting for mgs_ir_fini_fs " class="issue-link" data-issue-key="LU-8502"><del>LU-8502</del></a>.</p> Related LU-8502 Development Rank 1|hzz3pr: Rank (Obsolete) 9223372036854775807 Severity