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-9943 Lustre <p><a href="https://jira.whamcloud.com/browse/LU-7124" title="MLX5: Limit hit in cap.max_send_wr" class="issue-link" data-issue-key="LU-7124"><del>LU-7124</del></a> is completely incorrect patch.<br/> It decrease a WR array into kernel, but o2ib lnd stay assume about own queue depth.<br/> It caused situation </p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>Aug 8 21:53:00 lstr1n07 kernel: mlx5_warn:mlx5_0:mlx5_ib_post_send:4184:(pid 26272): Failed to prepare WQE Aug 8 21:53:00 lstr1n07 kernel: mlx5_warn:mlx5_0:begin_wqe:4085:(pid 9590): work queue overflow </pre> </div></div> <p>after several ENOMEM hits.</p> LU-9943

LU-7124 caused a connection problems under load.

Bug Critical Resolved Fixed Amir Shehata Alexey Lyashkov lnet Mon, 4 Sep 2017 14:39:17 +0000 Wed, 28 Mar 2018 13:54:39 +0000 Wed, 28 Mar 2018 13:54:39 +0000 Lustre 2.8.0 Lustre 2.9.0 Lustre 2.10.0 Lustre 2.11.0 0 6 <p>patch will send son.</p> <p>Alexey Lyashkov (alexey.lyashkov@seagate.com) uploaded a new patch: <a href="https://review.whamcloud.com/28850" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/28850</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9943" title="LU-7124 caused a connection problems under load." class="issue-link" data-issue-key="LU-9943"><del>LU-9943</del></a> lnet: fix queue size in ENOMEM case.<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 49fb397102a7c3ac3330e88c0839a9c3323e2471</p> <p>Alexey Lyashkov (alexey.lyashkov@seagate.com) uploaded a new patch: <a href="https://review.whamcloud.com/28851" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/28851</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9943" title="LU-7124 caused a connection problems under load." class="issue-link" data-issue-key="LU-9943"><del>LU-9943</del></a> lnet: fix WR accounting for the FastReg mode<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 0cdc93abd95bab22ca08b34a9f5ebde868ab8f42</p> <p>Amir</p> <p>Could you please review these proposed changes?</p> <p>Thanks</p> <p>Peter</p> <p>Amir Shehata (amir.shehata@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/30311" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/30311</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9943" title="LU-7124 caused a connection problems under load." class="issue-link" data-issue-key="LU-9943"><del>LU-9943</del></a> lnd: correct WR fast reg accounting<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 3b9e1cd8fba97cf1e00631a17855d151d07f50e8</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/30311/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/30311/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9943" title="LU-7124 caused a connection problems under load." class="issue-link" data-issue-key="LU-9943"><del>LU-9943</del></a> lnd: correct WR fast reg accounting<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 9a379e3226f1ec3be1a628f11a87e34f5d53abd4</p> <p>Do we need <a href="https://review.whamcloud.com/28851" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/28851</a> or <a href="https://review.whamcloud.com/28850" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/28850</a> after the landing of Amir's patch?  If not, we can resolve this ticket for 2.11.0.</p> <p>Both patches can be drop as replaced with Amir fixes.</p> <p>Thank you for the fast response!</p> Development Rank 1|hzzjhr: Rank (Obsolete) 9223372036854775807 Severity