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-17010 Lustre <p>When running LFSCK with <tt>&#45;&#45;dryrun</tt> the following stack will spam the console log while running and cause significant load/slowdown on the MDT due to the many console messages:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>kernel: CPU: 8 PID: 21324 Comm: lfsck Tainted: G OE ------------ T 3.10.0-1160.59.1.el7_lustre.ddn16.x86_64 #1 kernel: Hardware name: DDN SFA400NVXE, BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 kernel: Call Trace: kernel: [&lt;ffffffff9d3865b9&gt;] dump_stack+0x19/0x1b kernel: [&lt;ffffffffc133e164&gt;] lfsck_trans_create.part.53+0x6c/0x75 [lfsck] kernel: [&lt;ffffffffc1302d39&gt;] lfsck_namespace_trace_update+0x919/0xa10 [lfsck] kernel: [&lt;ffffffffc0611f02&gt;] ? fld_local_lookup+0x62/0x270 [fld] kernel: [&lt;ffffffffc1307d60&gt;] lfsck_namespace_exec_oit+0x6b0/0x880 [lfsck] kernel: [&lt;ffffffffc12f0871&gt;] lfsck_exec_oit+0x81/0xb10 [lfsck] kernel: [&lt;ffffffffc12f1ae8&gt;] lfsck_master_oit_engine+0x7e8/0x12f0 [lfsck] kernel: [&lt;ffffffff9cce6321&gt;] ? put_prev_entity+0x31/0x400 kernel: [&lt;ffffffffc12f2ee6&gt;] lfsck_master_engine+0x8f6/0x13b0 [lfsck] kernel: [&lt;ffffffff9ccd4abe&gt;] ? finish_task_switch+0x4e/0x1c0 kernel: [&lt;ffffffff9ccdadf0&gt;] ? wake_up_state+0x20/0x20 kernel: [&lt;ffffffffc12f25f0&gt;] ? lfsck_master_oit_engine+0x12f0/0x12f0 [lfsck] kernel: [&lt;ffffffff9ccc5e61&gt;] kthread+0xd1/0xe0 kernel: [&lt;ffffffff9ccc5d90&gt;] ? insert_kthread_work+0x40/0x40 kernel: [&lt;ffffffff9d399ddd&gt;] ret_from_fork_nospec_begin+0x7/0x21 kernel: [&lt;ffffffff9ccc5d90&gt;] ? insert_kthread_work+0x40/0x40 kernel: CPU: 8 PID: 21324 Comm: lfsck Tainted: G OE ------------ T 3.10.0-1160.59.1.el7_lustre.ddn16.x86_64 #1 </pre> </div></div> LU-17010

lfsck_trans_create shouldn't be called in dryrun mode

Bug Major Resolved Fixed Hongchao Zhang Hongchao Zhang LTS15 Wed, 2 Aug 2023 09:27:53 +0000 Mon, 2 Oct 2023 01:01:17 +0000 Sat, 19 Aug 2023 12:17:25 +0000 Lustre 2.16.0 Lustre 2.15.3 Lustre 2.16.0 0 4 <p>"Hongchao Zhang &lt;hongchao@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51849" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51849</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-17010" title="lfsck_trans_create shouldn&#39;t be called in dryrun mode" class="issue-link" data-issue-key="LU-17010"><del>LU-17010</del></a> lfsck: don't create trans in dryrun mode<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: b0de6c377e4ee57a5d1af8db82958c8afe43db3b</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51849/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51849/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-17010" title="lfsck_trans_create shouldn&#39;t be called in dryrun mode" class="issue-link" data-issue-key="LU-17010"><del>LU-17010</del></a> lfsck: don't create trans in dryrun mode<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 441902fa3d445791a8c54026c130ab357f7469d7</p> <p>Landed for 2.16</p> <p>"Andreas Dilger &lt;adilger@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/52356" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/52356</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-17010" title="lfsck_trans_create shouldn&#39;t be called in dryrun mode" class="issue-link" data-issue-key="LU-17010"><del>LU-17010</del></a> lfsck: don't dump stack repeatedly<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: c4d8c5439c74fe71bc8c3f940bf259d00ed25753</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/52356/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/52356/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-17010" title="lfsck_trans_create shouldn&#39;t be called in dryrun mode" class="issue-link" data-issue-key="LU-17010"><del>LU-17010</del></a> lfsck: don't dump stack repeatedly<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: dc360cd3eff20618f243ab89097a62f8ecf2c929</p> Related LU-13124 Development Rank 1|i03s33: Rank (Obsolete) 9223372036854775807 Severity