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-10992 Lustre <p>This looks like a duplicate of <a href="https://jira.whamcloud.com/browse/LU-7994" title="statahead loop in umount" class="issue-link" data-issue-key="LU-7994"><del>LU-7994</del></a>. But have the patch from that LU applied.</p> <p>umount filesystem will get stuck. </p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java">r511i7n14 /proc/97511 # cat stack [&lt;ffffffffa10c5df6&gt;] ll_kill_super+0x86/0x170 [lustre] [&lt;ffffffffa0c87b5a&gt;] lustre_kill_super+0x3a/0x50 [obdclass] [&lt;ffffffff8121f4d8&gt;] deactivate_locked_super+0x48/0x80 [&lt;ffffffff8121f556&gt;] deactivate_super+0x46/0x60 [&lt;ffffffff8123b89f&gt;] cleanup_mnt+0x3f/0x80 [&lt;ffffffff8123b932&gt;] __cleanup_mnt+0x12/0x20 [&lt;ffffffff810a20b9&gt;] task_work_run+0x89/0xb0 [&lt;ffffffff8107f3de&gt;] exit_to_usermode_loop+0x95/0xca [&lt;ffffffff81003b6d&gt;] syscall_return_slowpath+0x8d/0xa0 [&lt;ffffffff8164b167&gt;] int_ret_from_sys_call+0x25/0x9f [&lt;ffffffffffffffff&gt;] 0xffffffffffffffff </pre> </div></div> <p>will upload client debug dump. <br/> There is one interesting error message on the console.</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java">LustreError: 94086:0:(statahead.c:1591:start_statahead_thread()) can't start ll_sa thread, rc: -4 </pre> </div></div> sles12sp3<br/> LU-10992

umount sometimes will get stuck

Bug Critical Resolved Fixed nasf Mahmoud Hanafi Wed, 2 May 2018 21:16:22 +0000 Fri, 3 Aug 2018 20:35:59 +0000 Sat, 12 May 2018 05:41:44 +0000 Lustre 2.10.3 Lustre 2.12.0 Lustre 2.10.5 0 8 <p>Fan Yong</p> <p>Could you please investigate?</p> <p>Thanks</p> <p>Peter</p> <p>Fan Yong (fan.yong@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/32287" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/32287</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-10992" title="umount sometimes will get stuck" class="issue-link" data-issue-key="LU-10992"><del>LU-10992</del></a> llite: decrease sa_running if fail to start statahead<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 1edab5f1c4a9cb3269e6cd6172403de2e0348bc1</p> <p>This patch has conflicts on lustre/llite/statahead.c in b2_10 and b2_11.</p> <p>Shall I pick up <a href="https://jira.whamcloud.com/browse/LU-10165" title="sanity test_24v: test took quite long time to finish" class="issue-link" data-issue-key="LU-10165"><del>LU-10165</del></a> "llite: disable statahead if starting statahead fail",  commit 8b1bd1b88ae before this patch or shall I ignore 8b1bd1b88ae?</p> <p>And if I am going to pick up  8b1bd1b88ae, is there any other commit that I need also?</p> <blockquote> <p>Shall I pick up <a href="https://jira.whamcloud.com/browse/LU-10165" title="sanity test_24v: test took quite long time to finish" class="issue-link" data-issue-key="LU-10165"><del>LU-10165</del></a> "llite: disable statahead if starting statahead fail", commit 8b1bd1b88ae before this patch or shall I ignore 8b1bd1b88ae?</p></blockquote> <p>You need the patch for <a href="https://jira.whamcloud.com/browse/LU-10165" title="sanity test_24v: test took quite long time to finish" class="issue-link" data-issue-key="LU-10165"><del>LU-10165</del></a> firstly.</p> <blockquote> <p>And if I am going to pick up 8b1bd1b88ae, is there any other commit that I need also?</p></blockquote> <p>Enough, no others.</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/32287/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/32287/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-10992" title="umount sometimes will get stuck" class="issue-link" data-issue-key="LU-10992"><del>LU-10992</del></a> llite: decrease sa_running if fail to start statahead<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 6b8638bf792086d9e4b249e95091095bba4ada02</p> <p>Landed for 2.12</p> <p>Minh Diep (minh.diep@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/32526" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/32526</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-10992" title="umount sometimes will get stuck" class="issue-link" data-issue-key="LU-10992"><del>LU-10992</del></a> llite: decrease sa_running if fail to start statahead<br/> Project: fs/lustre-release<br/> Branch: b2_10<br/> Current Patch Set: 1<br/> Commit: 5dc452edc333e1f6a4974e646efef482faf8d139</p> <p>John L. Hammond (jhammond@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/32526/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/32526/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-10992" title="umount sometimes will get stuck" class="issue-link" data-issue-key="LU-10992"><del>LU-10992</del></a> llite: decrease sa_running if fail to start statahead<br/> Project: fs/lustre-release<br/> Branch: b2_10<br/> Current Patch Set: <br/> Commit: e92b4e27e5c13e3fc503bb26a96ca229d7a4749e</p> Related Development Rank 1|hzzwq7: Rank (Obsolete) 9223372036854775807 Severity