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-6717 Lustre <p>During test run, started dropping DNE MDTs</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java">xJun 11 22:44:52 iws15 kernel: LustreError: 10346:0:(dt_object.c:512:dt_record_write()) ASSERTION( dt-&gt;do_body_ops-&gt;dbo_write ) failed: Jun 11 22:44:52 iws15 kernel: LustreError: 10346:0:(dt_object.c:512:dt_record_write()) ASSERTION( dt-&gt;do_body_ops-&gt;dbo_write ) failed: Jun 11 22:44:52 iws15 kernel: LustreError: 10346:0:(dt_object.c:512:dt_record_write()) LBUG Jun 11 22:44:52 iws15 kernel: LustreError: 10346:0:(dt_object.c:512:dt_record_write()) LBUG Jun 11 22:44:52 iws15 kernel: Pid: 10346, comm: mdt_out00_007 Jun 11 22:44:52 iws15 kernel: Jun 11 22:44:52 iws15 kernel: Call Trace: Jun 11 22:44:52 iws15 kernel: [&lt;ffffffffa04a2875&gt;] libcfs_debug_dumpstack+0x55/0x80 [libcfs] Jun 11 22:44:52 iws15 kernel: [&lt;ffffffffa04a2e77&gt;] lbug_with_loc+0x47/0xb0 [libcfs] Jun 11 22:44:52 iws15 kernel: [&lt;ffffffffa09ae15f&gt;] dt_record_write+0xbf/0x130 [obdclass] Jun 11 22:44:52 iws15 kernel: [&lt;ffffffffa0c3c78e&gt;] out_tx_write_exec+0x7e/0x2e0 [ptlrpc] Jun 11 22:44:52 iws15 kernel: [&lt;ffffffffa0c3b574&gt;] ? out_tx_destroy_exec+0x24/0x1a0 [ptlrpc] Jun 11 22:44:52 iws15 kernel: [&lt;ffffffffa0c36282&gt;] out_tx_end+0xe2/0x5d0 [ptlrpc] Jun 11 22:44:52 iws15 kernel: [&lt;ffffffffa0c3c216&gt;] out_handle+0x9d6/0xed0 [ptlrpc] Jun 11 22:44:52 iws15 kernel: [&lt;ffffffffa0bcf2cc&gt;] ? lustre_msg_get_opc+0x8c/0x100 [ptlrpc] Jun 11 22:44:52 iws15 kernel: [&lt;ffffffffa0c323be&gt;] tgt_request_handle+0x95e/0x10b0 [ptlrpc] Jun 11 22:44:53 iws15 kernel: [&lt;ffffffffa0be1c51&gt;] ptlrpc_main+0xe41/0x1970 [ptlrpc] Jun 11 22:44:53 iws15 kernel: [&lt;ffffffffa0be0e10&gt;] ? ptlrpc_main+0x0/0x1970 [ptlrpc] Jun 11 22:44:53 iws15 kernel: [&lt;ffffffff8109e71e&gt;] kthread+0x9e/0xc0 Jun 11 22:44:53 iws15 kernel: [&lt;ffffffff8100c20a&gt;] child_rip+0xa/0x20 Jun 11 22:44:53 iws15 kernel: [&lt;ffffffff8109e680&gt;] ? kthread+0x0/0xc0 Jun 11 22:44:53 iws15 kernel: [&lt;ffffffff8100c200&gt;] ? child_rip+0x0/0x20 Jun 11 22:44:53 iws15 kernel: </pre> </div></div> <p>System panic'd at this point, no log dump</p> Hyperion SWL test LU-6717

dt_object.c:512:dt_record_write()) ASSERTION( dt->do_body_ops->dbo_write

Bug Critical Resolved Fixed Di Wang Cliff White Fri, 12 Jun 2015 15:37:43 +0000 Tue, 22 Dec 2015 03:16:03 +0000 Wed, 26 Aug 2015 18:06:46 +0000 Lustre 2.8.0 Lustre 2.8.0 0 4 <p>System now hits the LBUG upon every restart attempt. Have fsck'd the disks. <br/> continues to get errors</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java">LustreError: 6442:0:(ldlm_lib.c:1751:check_for_next_transno()) lustre-MDT000a: waking <span class="code-keyword">for</span> gap in transno, VBR is OFF (skip: 4317567847, ql: 1, comp: 288, conn: 289, next: 4317567849, last_committed: 4317566870) LustreError: 6442:0:(ldlm_lib.c:1751:check_for_next_transno()) lustre-MDT000a: waking <span class="code-keyword">for</span> gap in transno, VBR is OFF (skip: 4317567852, ql: 1, comp: 288, conn: 289, next: 4317567854, last_committed: 4317566870) LustreError: 6442:0:(ldlm_lib.c:1751:check_for_next_transno()) lustre-MDT000a: waking <span class="code-keyword">for</span> gap in transno, VBR is OFF (skip: 4317567857, ql: 1, comp: 288, conn: 289, next: 4317567859, last_committed: 4317566870) Lustre: lustre-MDT000a-osp-MDT0004: Connection restored to lustre-MDT000a (at 0@lo) </pre> </div></div> <p>Cliff: can you save the state of the filesystem for analysis?</p> <p>Certainly what information would you like?</p> <p>Do you have crash dump for this panic?</p> <p>It looks like llog object got disappeared after recovery. </p> <p>Cliff: Could you please tell me which build did you use for the test? tag 2.7.55? Thanks</p> <p>wangdi (di.wang@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/15278" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/15278</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-6717" title="dt_object.c:512:dt_record_write()) ASSERTION( dt-&gt;do_body_ops-&gt;dbo_write" class="issue-link" data-issue-key="LU-6717"><del>LU-6717</del></a> llog: Create update llog synchronously<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: ca7ad20c675ce6b0cdaf96eb350bdc46cb0bae78</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="http://review.whamcloud.com/15278/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/15278/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-6717" title="dt_object.c:512:dt_record_write()) ASSERTION( dt-&gt;do_body_ops-&gt;dbo_write" class="issue-link" data-issue-key="LU-6717"><del>LU-6717</del></a> llog: Create update llog synchronously<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: f4313edcb837429ccc7f501158514560d602ee85</p> Development Rank 1|hzxfnj: Rank (Obsolete) 9223372036854775807 Severity