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-5521 Lustre <p>We regularly notice the following error in the client logs during soak testing with message drop on routers:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>LustreError: 7110:0:(osc_cache.c:1565:osc_enter_cache()) soaked-OST0001-osc-ffff88083651dc00: grant { dirty: 8192/8192 dirty_pages: 8192/4096729 dropped: 0 avail: 12132352, reserved: 0, flight: 9 }lru {in list: 1365510, left: 8194, waiters: 0 }try to reserve 4096. </pre> </div></div> LU-5521

grant errors during soak testing with message drop

Bug Minor Resolved Fixed Johann Lombardi Johann Lombardi Wed, 20 Aug 2014 12:22:09 +0000 Fri, 5 Jun 2015 13:29:09 +0000 Tue, 3 Feb 2015 18:19:41 +0000 Lustre 2.7.0 Lustre 2.7.0 0 6 <p><a href="http://review.whamcloud.com/#/c/11716/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#/c/11716/</a></p> <p>It seems that due to an omission, patch 11716 introduced a warning and I now get a ton of this in my kernel logs:<br/> "format at osc_cache.c:1473:osc_enter_cache_try doesn't end in new line"<br/> also<br/> "format at osc_cache.c:1524:osc_enter_cache doesn't end in newline"</p> <p>Hopefully somebody can make a patch soon.</p> <p>hm, the patch looks sane to me ... strange</p> <p>I reverted this patch due to all this message spam that was also affecting Cliff.<br/> Also <a href="https://jira.whamcloud.com/browse/LU-5656" title="umount hang after racer" class="issue-link" data-issue-key="LU-5656"><del>LU-5656</del></a> seems to be caused by this patch too, ever since I reverted it the problem seems to be gone (still testing for some more time to be 100% sure, but by this<br/> time it was already hitting in previous testing).</p> <p>I have pushed a new version which should address the warning: <a href="http://review.whamcloud.com/12146" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/12146</a><br/> As for the umount issue, i have no clue for now on how this patch could trigger this ...</p> <p>The new version should fix the umount problem. Should be tested on the soak cluster shortly.</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="http://review.whamcloud.com/12146/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/12146/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-5521" title="grant errors during soak testing with message drop" class="issue-link" data-issue-key="LU-5521"><del>LU-5521</del></a> grant: quiet message on grant waiting timeout<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: c2a0ab016383be46a8d04c00ff163eb6a4550f58</p> <p>Landed for 2.7</p> Related Development Rank 1|hzwu5z: Rank (Obsolete) 15378 Severity