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-16014 Lustre <p>Noticed a regular crash that looks like this in boilpot:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>Lustre: DEBUG MARKER: == sanity test 27M: test O_APPEND striping ====== 21:09:25 (1657760965) BUG: unable to handle kernel paging request at ffff8801466bccb0 IP: [&lt;ffffffffa13f68f6&gt;] lod_qos_prep_create+0xe96/0x1ab0 [lod] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC CPU: 3 PID: 2694 Comm: mdt01_002 Kdump: loaded 3.10.0-7.9-debug #2 Hardware name: Red Hat KVM, BIOS 1.15.0-1.module_el8.6.0+1087+b42c8331 04/01/2014 Call Trace: lod_prepare_create+0x23b/0x320 [lod] lod_declare_striped_create+0xf8/0xa50 [lod] lod_declare_create+0x1f5/0x600 [lod] mdd_declare_create_object_internal+0xd3/0x3b0 [mdd] mdd_declare_create_object.isra.35+0x51/0xb60 [mdd] mdd_declare_create+0x66/0x480 [mdd] mdd_create+0x9a9/0x1d30 [mdd] mdt_reint_open+0x2004/0x2c10 [mdt] mdt_reint_rec+0x87/0x240 [mdt] mdt_reint_internal+0x76c/0xb50 [mdt] mdt_intent_open+0x93/0x480 [mdt] mdt_intent_opc+0x1dd/0xc10 [mdt] mdt_intent_policy+0x1a1/0x360 [mdt] ldlm_lock_enqueue+0x3c2/0xb40 [ptlrpc] ldlm_handle_enqueue0+0x8c6/0x1780 [ptlrpc] tgt_enqueue+0x64/0x240 [ptlrpc] tgt_request_handle+0x93a/0x19c0 [ptlrpc] ptlrpc_server_handle_request+0x250/0xc30 [ptlrpc] ptlrpc_main+0xbd9/0x15f0 [ptlrpc] kthread+0xe4/0xf0 </pre> </div></div> <p>I think it came from <a href="https://jira.whamcloud.com/browse/LU-15727" title="lod_get_default_lov_striping() misinterprets composite striping for append" class="issue-link" data-issue-key="LU-15727"><del>LU-15727</del></a> patch <a href="https://review.whamcloud.com/47014" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/47014</a></p> <p>First hit on June 20th and then it really intensified in the past few days for some reason.</p> <p>Very first crash (has vmcore and all):</p> <p><a href="http://testing.linuxhacker.ru/lustre-reports/external/crashes/boilpot-bigmem-98-2022-06-20-10:50:27/" class="external-link" target="_blank" rel="nofollow noopener">http://testing.linuxhacker.ru/lustre-reports/external/crashes/boilpot-bigmem-98-2022-06-20-10:50:27/</a></p> <p>most recent crash with vmcore out of current master-next:</p> <p><a href="http://testing.linuxhacker.ru/lustre-reports/external/crashes/boilpot-bigmem-28-2022-07-12-03:11:17/" class="external-link" target="_blank" rel="nofollow noopener">http://testing.linuxhacker.ru/lustre-reports/external/crashes/boilpot-bigmem-28-2022-07-12-03:11:17/</a></p> LU-16014

sanity test_27M: crash in lod_qos_prep_create()

Bug Major Resolved Duplicate WC Triage Oleg Drokin Fri, 15 Jul 2022 05:16:34 +0000 Tue, 16 Jan 2024 22:18:01 +0000 Mon, 21 Aug 2023 08:26:30 +0000 Lustre 2.16.0 0 9 <p>Hi <a href="https://jira.whamcloud.com/secure/ViewProfile.jspa?name=green" class="user-hover" rel="green">green</a> if you remove <a href="https://jira.whamcloud.com/browse/LU-15727" title="lod_get_default_lov_striping() misinterprets composite striping for append" class="issue-link" data-issue-key="LU-15727"><del>LU-15727</del></a> are you still seeing the issue?</p> <p>+1 on master <a href="https://testing.whamcloud.com/test_sessions/e5e1efcb-2b2d-44ac-9573-69ffd456b050" class="external-link" target="_blank" rel="nofollow noopener">https://testing.whamcloud.com/test_sessions/e5e1efcb-2b2d-44ac-9573-69ffd456b050</a></p> <p>+5 on master in the past 4 weeks, all ldiskfs review sessions (DNE and non-DNE, one aarch64):<br/> <a href="https://testing.whamcloud.com/test_sets/c4f8dd3c-7514-40f9-84a1-34c6ccb54ae3" class="external-link" target="_blank" rel="nofollow noopener">https://testing.whamcloud.com/test_sets/c4f8dd3c-7514-40f9-84a1-34c6ccb54ae3</a><br/> <a href="https://testing.whamcloud.com/test_sets/01ab0985-4735-42b2-aa62-e3589414d6be" class="external-link" target="_blank" rel="nofollow noopener">https://testing.whamcloud.com/test_sets/01ab0985-4735-42b2-aa62-e3589414d6be</a><br/> <a href="https://testing.whamcloud.com/test_sets/7d0da5b9-281a-4d16-b738-947c50d04d64" class="external-link" target="_blank" rel="nofollow noopener">https://testing.whamcloud.com/test_sets/7d0da5b9-281a-4d16-b738-947c50d04d64</a><br/> <a href="https://testing.whamcloud.com/test_sets/b3157654-0dd5-4626-85e4-7d6046e1a28f" class="external-link" target="_blank" rel="nofollow noopener">https://testing.whamcloud.com/test_sets/b3157654-0dd5-4626-85e4-7d6046e1a28f</a><br/> <a href="https://testing.whamcloud.com/test_sets/1aa360a8-e42a-4dae-b598-e857f23bc06c" class="external-link" target="_blank" rel="nofollow noopener">https://testing.whamcloud.com/test_sets/1aa360a8-e42a-4dae-b598-e857f23bc06c</a></p> <p>+1 on master: <a href="https://testing.whamcloud.com/test_sets/128b97d8-62fa-4844-a7f0-cd325ca58198" class="external-link" target="_blank" rel="nofollow noopener">https://testing.whamcloud.com/test_sets/128b97d8-62fa-4844-a7f0-cd325ca58198</a></p> <p>This bug introduced by patch <a href="https://review.whamcloud.com/47014" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/47014</a> "<tt><a href="https://jira.whamcloud.com/browse/LU-15727" title="lod_get_default_lov_striping() misinterprets composite striping for append" class="issue-link" data-issue-key="LU-15727"><del>LU-15727</del></a> lod: honor append_pool with default composite layouts</tt>" which landed on master on 2022-07-11.</p> <p>There is patch <a href="https://review.whamcloud.com/51559" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/51559</a> "<tt><a href="https://jira.whamcloud.com/browse/LU-16872" title="sanity: test_27M Error: &#39;(5) stripe count , should be 8 for append&#39;" class="issue-link" data-issue-key="LU-16872"><del>LU-16872</del></a> lod: reset llc_ostlist when using O_APPEND stripes</tt>" that should fix this.</p> <p>Fixed via <a href="https://jira.whamcloud.com/browse/LU-16872" title="sanity: test_27M Error: &#39;(5) stripe count , should be 8 for append&#39;" class="issue-link" data-issue-key="LU-16872"><del>LU-16872</del></a></p> Duplicate LU-16872 Related LU-15727 LU-16623 Development Rank 1|i02unj: Rank (Obsolete) 9223372036854775807 Severity