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-13253 Lustre <p>the problem was introduced by:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java">acb6ee1f1f 2020-02-01 | LU-8304 libcfs: convert debug_ctlwq to a completion</pre> </div></div> <p>the root cause is that libcfs_debug_dumplog() can be called by few threads simultaneously and each thread re-initialize the global state debug_complete unconditionally.<br/> I reverted the patch locally to pass sanity.sh, but I guess we can wrap libcfs_debug_dumplog() with a mutex to serialize calls.</p> LU-13253

sanity/177 leaves threads blocked in libcfs_debug_dumplog()

Bug Minor Resolved Fixed Alex Zhuravlev Alex Zhuravlev Sat, 15 Feb 2020 06:07:36 +0000 Thu, 5 Mar 2020 22:58:42 +0000 Thu, 5 Mar 2020 22:58:42 +0000 Lustre 2.14.0 0 2 <p>Alex Zhuravlev (bzzz@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/37588" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/37588</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13253" title="sanity/177 leaves threads blocked in libcfs_debug_dumplog()" class="issue-link" data-issue-key="LU-13253"><del>LU-13253</del></a> libcfs: serialize libcfs_debug_dumplog()<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 555ded1438c37377925990f4a3d1cf7d5964d42b</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/37588/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/37588/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13253" title="sanity/177 leaves threads blocked in libcfs_debug_dumplog()" class="issue-link" data-issue-key="LU-13253"><del>LU-13253</del></a> libcfs: protect libcfs_debug_dumplog()<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: cfba9a1ecc6b20746c289afc8e3c81097e07d8a3</p> <p>Landed for 2.14</p> Related LU-8304 Development Rank 1|i00tsv: Rank (Obsolete) 9223372036854775807 Severity