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9.4.14

940014

05-12-2023

[LU-5487] Test failure on test suite sanity-lfsck, subtest test_18d https://jira.whamcloud.com/browse/LU-5487 Lustre <p>This issue was created by maloo for Minh Diep <minh.diep@intel.com></p> <p>This issue relates to the following test suite run: <a href="https://testing.hpdd.intel.com/test_sets/b04945f0-236c-11e4-84ee-5254006e85c2" class="external-link" target="_blank" rel="nofollow noopener">https://testing.hpdd.intel.com/test_sets/b04945f0-236c-11e4-84ee-5254006e85c2</a>.</p> <p>The sub-test test_18d failed with the following error:</p> <blockquote> <p>(3.0) MDS1 is not the expected 'scanning-phase2'</p></blockquote> <p>Info required for matching: sanity-lfsck 18d</p> LU-5487

Test failure on test suite sanity-lfsck, subtest test_18d

Bug Minor Open Unresolved WC Triage Maloo Thu, 14 Aug 2014 15:35:35 +0000 Tue, 11 Apr 2017 10:52:18 +0000 0 6 <p>I suspect this is the case of background task completing too fast?</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>Changed after 0s: from 'scanning-phase2' to 'completed' Waiting 6 secs for update CMD: onyx-51vm3 /usr/sbin/lctl get_param -n mdd.lustre-MDT0000.lfsck_layout | awk '/^status/ { print \$2 }' CMD: onyx-51vm3 /usr/sbin/lctl get_param -n mdd.lustre-MDT0000.lfsck_layout | awk '/^status/ { print \$2 }' CMD: onyx-51vm3 /usr/sbin/lctl get_param -n mdd.lustre-MDT0000.lfsck_layout | awk '/^status/ { print \$2 }' CMD: onyx-51vm3 /usr/sbin/lctl get_param -n mdd.lustre-MDT0000.lfsck_layout | awk '/^status/ { print \$2 }' CMD: onyx-51vm3 /usr/sbin/lctl get_param -n mdd.lustre-MDT0000.lfsck_layout | awk '/^status/ { print \$2 }' CMD: onyx-51vm3 /usr/sbin/lctl get_param -n mdd.lustre-MDT0000.lfsck_layout | awk '/^status/ { print \$2 }' Update not seen after 6s: wanted 'scanning-phase2' got 'completed' sanity-lfsck test_18d: @@@@@@ FAIL: (3.0) MDS1 is not the expected 'scanning-phase2' </pre> </div></div> <p>More failure instance on master branch: <a href="https://testing.hpdd.intel.com/test_sets/c53fdc74-403b-11e6-acf3-5254006e85c2" class="external-link" target="_blank" rel="nofollow noopener">https://testing.hpdd.intel.com/test_sets/c53fdc74-403b-11e6-acf3-5254006e85c2</a></p> <p>I see the following crash in master:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre> 16:46:36:[14470.127738] LustreError: 22186:0:(vvp_io.c:345:vvp_io_fini()) ASSERTION( io->ci_type == CIT_WRITE || cl_io_is_trunc(io) ) failed: 16:46:36:[14470.132048] LustreError: 22186:0:(vvp_io.c:345:vvp_io_fini()) LBUG 16:46:36:[14470.134194] Pid: 22186, comm: cat 16:46:36:[14470.135970] 16:46:36:[14470.135970] Call Trace: 16:46:36:[14470.139113] [<ffffffffa07107f3>] libcfs_debug_dumpstack+0x53/0x80 [libcfs] 16:46:36:[14470.141168] [<ffffffffa0710861>] lbug_with_loc+0x41/0xb0 [libcfs] 16:46:36:[14470.143473] [<ffffffffa0c93761>] vvp_io_fini+0x321/0x360 [lustre] 16:46:36:[14470.145411] [<ffffffffa0beaff2>] ? lov_io_fini+0x282/0x460 [lov] 16:46:36:[14470.147499] [<ffffffffa0805165>] cl_io_fini+0x75/0x240 [obdclass] 16:46:36:[14470.149358] [<ffffffffa0c42f73>] ll_file_io_generic+0x2a3/0xb00 [lustre] 16:46:36:[14470.151383] [<ffffffff81219cff>] ? touch_atime+0x12f/0x160 16:46:36:[14470.153202] [<ffffffffa0c4409a>] ll_file_aio_read+0x34a/0x3e0 [lustre] 16:46:36:[14470.155178] [<ffffffffa0c441fe>] ll_file_read+0xce/0x1e0 [lustre] 16:46:36:[14470.157019] [<ffffffff811fe19e>] vfs_read+0x9e/0x170 16:46:36:[14470.158806] [<ffffffff811fed6f>] SyS_read+0x7f/0xe0 16:46:36:[14470.160524] [<ffffffff81696b09>] system_call_fastpath+0x16/0x1b </pre> </div></div> <p>The code is following:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> /** * dynamic layout change needed, send layout intent * RPC. */ <span class="code-keyword">if</span> (io->ci_need_write_intent) { loff_t start = 0; loff_t end = 0; LASSERT(io->ci_type == CIT_WRITE || cl_io_is_trunc(io)); </pre> </div></div> <p>This crash was introduced in <a href="https://review.whamcloud.com/25317" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/25317</a></p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"><span class="code-keyword">static</span> <span class="code-object">int</span> lov_io_rw_iter_init(<span class="code-keyword">const</span> struct lu_env *env, <span class="code-keyword">const</span> struct cl_io_slice *ios) { ... index = lov_lsm_entry(lsm, lio->lis_endpos - 1); <span class="code-keyword">if</span> (index > 0 && !lsm_entry_inited(lsm, index)) { io->ci_need_write_intent = 1; RETURN(io->ci_result = -ENODATA); } </pre> </div></div> <p>So, "io->ci_need_write_intent" can be set to "1" in read also.</p> Development Rank 1|hzwtqv: Rank (Obsolete) 15309 Severity