https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-1708 Lustre <p>Hit assertion after IB fabric work and SM restart. <br/> Lustre: Skipped 59 previous similar messages^M<br/> LustreError: 6831:0:(mgs_handler.c:782:mgs_handle()) MGS handle cmd=250 rc=-114^M<br/> LustreError: 6832:0:(mgs_handler.c:782:mgs_handle()) MGS handle cmd=250 rc=-114^M<br/> LustreError: 6831:0:(mgs_handler.c:782:mgs_handle()) Skipped 46 previous similar messages^M<br/> LustreError: 6832:0:(mgs_handler.c:782:mgs_handle()) Skipped 46 previous similar messages^M<br/> Lustre: 6369:0:(ldlm_lib.c:947:target_handle_connect()) nbp1-MDT0000: connection from 24c3494a-96ad-f0c6-3887-efa3caaaf377@10.151.32.247@o2ib t377954918473 exp (null) cur 1344015983 last 0^M<br/> Lustre: nbp1-MDT0000: denying duplicate export for 24c3494a-96ad-f0c6-3887-efa3caaaf377, -114^M<br/> Lustre: Skipped 44 previous similar messages^M<br/> Lustre: 6369:0:(ldlm_lib.c:947:target_handle_connect()) Skipped 184 previous similar messages^M<br/> LustreError: 5862:0:(obd_class.h:501:obd_set_info_async()) obd_set_info_async: dev 0 no operation^M<br/> LustreError: 5862:0:(obd_class.h:501:obd_set_info_async()) Skipped 36 previous similar messages^M<br/> Lustre: MGS: Client 0189e00e-6900-6c13-4b08-b178fca62eec (at 10.151.52.204@o2ib) reconnecting^M<br/> Lustre: Skipped 232 previous similar messages^M<br/> LustreError: 6369:0:(mdt_handler.c:2792:mdt_recovery()) operation 400 on unconnected MDS from 12345-10.151.36.209@o2ib^M<br/> LustreError: 6369:0:(mdt_handler.c:2792:mdt_recovery()) Skipped 698 previous similar messages^M<br/> Lustre: nbp1-MDT0000: Export ffff88080a5c5c00 already connecting from 10.151.36.209@o2ib^M<br/> Lustre: Skipped 112 previous similar messages^M<br/> Lustre: 5862:0:(ldlm_lib.c:947:target_handle_connect()) MGS: connection from 84bf4c4b-a930-7713-e68b-5d60d626e2d0@10.151.28.217@o2ib t0 exp (null) cur 1344015999 last 0^M<br/> Lustre: nbp1-MDT0000: denying duplicate export for c40bbbf1-1075-f61f-614a-3eb214d31ac0, -114^M<br/> Lustre: Skipped 172 previous similar messages^M<br/> Lustre: 5862:0:(ldlm_lib.c:947:target_handle_connect()) Skipped 637 previous similar messages^M<br/> LustreError: 6820:0:(obd_class.h:501:obd_set_info_async()) obd_set_info_async: dev 0 no operation^M<br/> LustreError: 6820:0:(obd_class.h:501:obd_set_info_async()) Skipped 122 previous similar messages^M<br/> LustreError: 6809:0:(genops.c:970:class_import_put()) ASSERTION(__v &gt; 0 &amp;&amp; __v &lt; ((int)0x5a5a5a5a5a5a5a5a)) failed: value: 0^M<br/> LustreError: 6809:0:(genops.c:970:class_import_put()) LBUG^M<br/> Pid: 6809, comm: ll_mgs_06^M<br/> ^M<br/> Call Trace:^M<br/> <span class="error">&#91;&lt;ffffffffa0605855&gt;&#93;</span> libcfs_debug_dumpstack+0x55/0x80 <span class="error">&#91;libcfs&#93;</span>^M<br/> <span class="error">&#91;&lt;ffffffffa0605e95&gt;&#93;</span> lbug_with_loc+0x75/0xe0 <span class="error">&#91;libcfs&#93;</span>^M<br/> <span class="error">&#91;&lt;ffffffffa06d1678&gt;&#93;</span> class_import_put+0x298/0x330 <span class="error">&#91;obdclass&#93;</span>^M<br/> ^M<br/> Entering kdb (current=0xffff8811f6c32a80, pid 6809) on processor 13 Oops: (null)^M</p> <p>DUPLICATE OF ORI0710</p> LU-1708

ASSERTION(__v > 0 && __v < ((int)0x5a5a5a5a5a5a5a5a))

Bug Minor Resolved Duplicate Bob Glossman Mahmoud Hanafi Fri, 3 Aug 2012 14:11:42 +0000 Tue, 29 Oct 2013 18:36:33 +0000 Tue, 29 Oct 2013 18:36:33 +0000 Lustre 2.1.2 0 3 <p>Bob</p> <p>Could you please look into this one?</p> <p>Thanks</p> <p>Peter</p> <p>There is a fix in progress that may help, <a href="http://review.whamcloud.com/#change,3538" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#change,3538</a>. This hasn't been fully tested and landed yet so if your problem isn't urgent you may want to wait.</p> <p>This problem also has features similar to <a href="https://jira.whamcloud.com/browse/LU-1432" title="Race condition between lprocfs_exp_setup() and lprocfs_free_per_client_stats() causes LBUG" class="issue-link" data-issue-key="LU-1432"><del>LU-1432</del></a>, so the fix from <a href="http://review.whamcloud.com/#change,3244" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#change,3244</a> might also be helpful.<br/> That fix has already landed in b2_1 for the next 2.1.x release, so it's probably safe to use.</p> <p>This is actually a dup of ORI-710. ORI-710 was closed on Oct 7 with patch landed to master branch under <a href="https://jira.whamcloud.com/browse/LU-2007" title="racy reconnect in target_handle_connect()" class="issue-link" data-issue-key="LU-2007"><del>LU-2007</del></a>. I cherry-picked the <a href="https://jira.whamcloud.com/browse/LU-2007" title="racy reconnect in target_handle_connect()" class="issue-link" data-issue-key="LU-2007"><del>LU-2007</del></a> patch (bf625a1) to our 2.1.3 branch and it was a clean cherry-pick. </p> <p>This LU can be closed when <a href="https://jira.whamcloud.com/browse/LU-2007" title="racy reconnect in target_handle_connect()" class="issue-link" data-issue-key="LU-2007"><del>LU-2007</del></a> patch lands on b2_1 branch.</p> <p>This can be closed</p> <p><a href="https://jira.whamcloud.com/browse/LU-2007" title="racy reconnect in target_handle_connect()" class="issue-link" data-issue-key="LU-2007"><del>LU-2007</del></a> was included in 2.1.4 onwards</p> Development Rank 1|hzvke7: Rank (Obsolete) 7033 Severity