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-11898 Lustre <p>debug_mb is libcfs module parameter. It should be possible to set it<br/> via</p> <p>modprobe libcfs libcfs_debug_mb=800</p> <p>or via adding</p> <p>options libcfs libcfs_debug_mb=800</p> <p>to modules configuration.</p> <p>libcfs_debug_init, however, calculated libcfs_debug_mb unconditionally, so that the module parameter makes no effect:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> <span class="code-object">int</span> libcfs_debug_init(unsigned <span class="code-object">long</span> bufsize) ... libcfs_debug_mb = cfs_trace_get_debug_mb(); ... </pre> </div></div> LU-11898

libcfs module parameter libcfs_debug_mb has no effect

Bug Minor Resolved Fixed Vladimir Saveliev Vladimir Saveliev Tue, 29 Jan 2019 11:29:22 +0000 Thu, 21 Mar 2019 05:02:38 +0000 Thu, 21 Mar 2019 05:02:38 +0000 Lustre 2.13.0 0 3 <p>Vladimir Saveliev (c17830@cray.com) uploaded a new patch: <a href="https://review.whamcloud.com/34128" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34128</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11898" title="libcfs module parameter libcfs_debug_mb has no effect" class="issue-link" data-issue-key="LU-11898"><del>LU-11898</del></a> libcfs: do not calculate debug_mb if it is set<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: e657421403664919848b0c72eb50edbe4bd7a62c</p> <p>Are you seeing the module value modified or completely ignored. In my testing I see a modified value of debug_mb.</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/34128/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34128/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11898" title="libcfs module parameter libcfs_debug_mb has no effect" class="issue-link" data-issue-key="LU-11898"><del>LU-11898</del></a> libcfs: do not calculate debug_mb if it is set<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: adeb29400a4a6466e45cb8c793500ae6d37ed642</p> <p>Landed for 2.13</p> Related LU-8066 Development Rank 1|i00agn: Rank (Obsolete) 9223372036854775807 Severity