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-17325 Lustre <p>There were examples in the field with RoCE setups which demonstrate that CM_EVENT_UNREACHABLE may be received when connection is already in ESTABLISHED state.</p> <p>This causes the assertion in kiblnd_cm_callback() to fail:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> ASSERTION( conn-&gt;ibc_state != 3 &amp;&amp; conn-&gt;ibc_state != 0 ) failed:</pre> </div></div> <p>It is proposed to handle this in a more gracious manner:  report the event as unexpected and allow the flow to continue. If there are indeed issues on the connection, it is expected to report transaction errors and get cleaned up without crashing the whole system.</p> LU-17325

o2iblnd: graceful handling of CM_EVENT_UNREACHABLE on established connection

Bug Minor Resolved Fixed Serguei Smirnov Serguei Smirnov RoCE o2iblnd Thu, 30 Nov 2023 18:32:32 +0000 Mon, 8 Jan 2024 03:32:32 +0000 Wed, 20 Dec 2023 02:39:58 +0000 Lustre 2.16.0 0 4 <p>"Serguei Smirnov &lt;ssmirnov@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/53298" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/53298</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-17325" title="o2iblnd: graceful handling of CM_EVENT_UNREACHABLE on established connection" class="issue-link" data-issue-key="LU-17325"><del>LU-17325</del></a> o2iblnd: CM_EVENT_UNREACHABLE on established conn<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: cbde71bf893dba0de752a190c3b16d653ef75085</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/53298/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/53298/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-17325" title="o2iblnd: graceful handling of CM_EVENT_UNREACHABLE on established connection" class="issue-link" data-issue-key="LU-17325"><del>LU-17325</del></a> o2iblnd: CM_EVENT_UNREACHABLE on established conn<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: f7051f0092b19416ed86d7f4bbfe1cba7bb74c02</p> <p>Landed for 2.16</p> Related Development Rank 1|i043db: Rank (Obsolete) 9223372036854775807 Severity