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-9828 Lustre <p>One of clients crashed due to the following LBUG.</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>LustreError: 11818:0:(events.c:201:client_bulk_callback()) event type 2, status -103, desc ffff880827971600 LustreError: 11840:0:(niobuf.c:329:ptlrpc_register_bulk()) ASSERTION( desc-&gt;bd_nob_transferred == 0 ) failed: LustreError: 11818:0:(events.c:201:client_bulk_callback()) event type 2, status -103, desc ffff880d40623400 Lustre: yshare1-OST0023-osc-ffff882049a1c800: Connection to yshare1-OST0023 (at 172.28.8.204@o2ib1) was lost; in progress operations using this service will wait for recovery to complete Lustre: Skipped 21 previous similar messages LNet: 11818:0:(o2iblnd_cb.c:1364:kiblnd_reconnect_peer()) Abort reconnection of 172.28.8.204@o2ib1: connected LNet: 11818:0:(o2iblnd_cb.c:1364:kiblnd_reconnect_peer()) Skipped 1 previous similar message LustreError: 11840:0:(niobuf.c:329:ptlrpc_register_bulk()) LBUG Pid: 11840, comm: ptlrpcd_01_01 Call Trace: [&lt;ffffffffa0967895&gt;] libcfs_debug_dumpstack+0x55/0x80 [libcfs] [&lt;ffffffffa0967e97&gt;] lbug_with_loc+0x47/0xb0 [libcfs] [&lt;ffffffffa0cae07c&gt;] ptlrpc_register_bulk+0xfc/0x9c0 [ptlrpc] [&lt;ffffffffa0985c74&gt;] ? cfs_percpt_unlock+0x24/0xb0 [libcfs] [&lt;ffffffffa0a1b7b4&gt;] ? LNetMDUnlink+0xd4/0x160 [lnet] [&lt;ffffffffa0cb5c64&gt;] ? lustre_msg_get_flags+0x34/0xb0 [ptlrpc] [&lt;ffffffffa0caf5af&gt;] ptl_send_rpc+0x1af/0xea0 [ptlrpc] [&lt;ffffffffa0ce6804&gt;] ? sptlrpc_req_refresh_ctx+0x154/0x910 [ptlrpc] [&lt;ffffffffa0ca90b2&gt;] ptlrpc_check_set+0x1462/0x1bf0 [ptlrpc] [&lt;ffffffffa0cd6d83&gt;] ptlrpcd_check+0x3d3/0x610 [ptlrpc] [&lt;ffffffffa0cd7232&gt;] ptlrpcd+0x272/0x4f0 [ptlrpc] [&lt;ffffffff8106c500&gt;] ? default_wake_function+0x0/0x20 [&lt;ffffffffa0cd6fc0&gt;] ? ptlrpcd+0x0/0x4f0 [ptlrpc] [&lt;ffffffff810a640e&gt;] kthread+0x9e/0xc0 [&lt;ffffffff8100c28a&gt;] child_rip+0xa/0x20 [&lt;ffffffff810a6370&gt;] ? kthread+0x0/0xc0 [&lt;ffffffff8100c280&gt;] ? child_rip+0x0/0x20 </pre> </div></div> <p> </p> LU-9828

LBUG ASSERTION( desc->bd_nob_transferred == 0 ) failed:

Bug Major Resolved Fixed Amir Shehata Minh Diep Fri, 4 Aug 2017 15:31:18 +0000 Fri, 9 Mar 2018 17:56:16 +0000 Mon, 28 Aug 2017 14:52:53 +0000 Lustre 2.10.1 Lustre 2.11.0 0 6 <p>Amir Shehata (amir.shehata@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/28491" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/28491</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9828" title="LBUG ASSERTION( desc-&gt;bd_nob_transferred == 0 ) failed:" class="issue-link" data-issue-key="LU-9828"><del>LU-9828</del></a> ptlrpc: Do not assert when bd_nob_transferred != 0<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 88b65811680989d7dbc7620716ed1fa5d9388d28</p> <p>I just hit this on my testbed as well</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/28491/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/28491/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9828" title="LBUG ASSERTION( desc-&gt;bd_nob_transferred == 0 ) failed:" class="issue-link" data-issue-key="LU-9828"><del>LU-9828</del></a> ptlrpc: Do not assert when bd_nob_transferred != 0<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: e6490ea6cf0b793c0b47f17ac5a5fa3a2a136e0d</p> <p>Landed for 2.11</p> <p>Minh Diep (minh.diep@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/28759" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/28759</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9828" title="LBUG ASSERTION( desc-&gt;bd_nob_transferred == 0 ) failed:" class="issue-link" data-issue-key="LU-9828"><del>LU-9828</del></a> ptlrpc: Do not assert when bd_nob_transferred != 0<br/> Project: fs/lustre-release<br/> Branch: b2_10<br/> Current Patch Set: 1<br/> Commit: 7289ae9b0767ac65323bad97471b15f735154024</p> <p>John L. Hammond (john.hammond@intel.com) merged in patch <a href="https://review.whamcloud.com/28759/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/28759/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9828" title="LBUG ASSERTION( desc-&gt;bd_nob_transferred == 0 ) failed:" class="issue-link" data-issue-key="LU-9828"><del>LU-9828</del></a> ptlrpc: Do not assert when bd_nob_transferred != 0<br/> Project: fs/lustre-release<br/> Branch: b2_10<br/> Current Patch Set: <br/> Commit: 39a275578e5d77d14f5b50b3c2a3fc924081e03c</p> <p>The assertion failure can happen only during resend vs reply race. It is better to skip reply and restore the assertion. I'll commit the patch. </p> <p>Andriy Skulysh (c17819@cray.com) uploaded a new patch: <a href="https://review.whamcloud.com/30368" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/30368</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9828" title="LBUG ASSERTION( desc-&gt;bd_nob_transferred == 0 ) failed:" class="issue-link" data-issue-key="LU-9828"><del>LU-9828</del></a> ptlrpc: ASSERTION(desc-&gt;bd_nob_transferred == 0)<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: d4d5658f3cdad115c06a998e7fa91a2bd89e33dd</p> <p>This issue is marked RESOLVED, yet <a href="https://review.whamcloud.com/#/c/30368" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/#/c/30368</a> is still linked to here. Should we get a new ticket or should this issue be reopened?</p> <p>Cory</p> <p>A new ticket linked to this one please. It causes no end of confusion when patches are tagged onto long-closed tickets.</p> <p>Peter</p> <p>Opened <a href="https://jira.whamcloud.com/browse/LU-10799" title="ASSERTION(desc-&gt;bd_nob_transferred == 0)" class="issue-link" data-issue-key="LU-10799">LU-10799</a></p> <p>Thanks <a href="https://jira.whamcloud.com/secure/ViewProfile.jspa?name=askulysh" class="user-hover" rel="askulysh">askulysh</a>. For future reference we can just update the commit message without losing positive testing and reviews so making these corrections does not require abandoning patches.</p> Related LU-10799 Development Rank 1|hzzhrr: Rank (Obsolete) 9223372036854775807 Severity