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-11658 Lustre <p>The obd_set_info_async will be invoked with KEY_CACHE_SET to initialize cl_cache while normal osc setup. We don't call it when osc has been disabled since export has not been setup. But it still be missed while osc active and causes the client to crash. </p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>[3968842.116112] Lustre: MGC10.53.18.101@tcp: Connection restored to MGS (at 10.53.18.101@tcp) [4195817.824439] BUG: unable to handle kernel NULL pointer dereference at (null) [4195817.824813] IP: [&lt;ffffffffa0b934a5&gt;] osc_lru_reserve+0x25/0x130 [osc] [4195817.825016] PGD ec67e1067 PUD 112e776067 PMD 0 [4195817.825209] Oops: 0000 [#1] SMP ..... [4195817.833867] Call Trace: [4195817.834063] [&lt;ffffffffa0b98b36&gt;] osc_io_write_iter_init+0x86/0x1e0 [osc] [4195817.834280] [&lt;ffffffffa077448c&gt;] cl_io_iter_init+0x5c/0x120 [obdclass] [4195817.834474] [&lt;ffffffffa063037c&gt;] lov_io_iter_init+0x1fc/0x5a0 [lov] [4195817.834670] [&lt;ffffffffa0630898&gt;] lov_io_rw_iter_init+0x178/0x2c0 [lov] [4195817.834873] [&lt;ffffffffa077448c&gt;] cl_io_iter_init+0x5c/0x120 [obdclass] [4195817.835080] [&lt;ffffffffa0777b72&gt;] cl_io_loop+0x42/0x190 [obdclass] [4195817.835281] [&lt;ffffffffa0a9fc91&gt;] ll_file_io_generic+0x601/0xad0 [lustre] [4195817.835479] [&lt;ffffffffa0aa050d&gt;] ll_file_aio_write+0x20d/0x870 [lustre] [4195817.835679] [&lt;ffffffffa0aa0c3b&gt;] ll_file_write+0xcb/0x1e0 [lustre] [4195817.835873] [&lt;ffffffff811fe12d&gt;] vfs_write+0xbd/0x1e0 [4195817.836063] [&lt;ffffffff811fee02&gt;] SyS_pwrite64+0x92/0xc0 [4195817.836253] [&lt;ffffffff816965c9&gt;] system_call_fastpath+0x16/0x1b [4195817.836448] Code: 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 54 49 89 fc 53 44 8b 87 4c 01 00 00 44 0f af 87 48 01 00 00 48 8b 97 98 07 00 00 &lt;48&gt; 8b 0a 4c 39 c6 49 0f 47 f0 48 39 f1 48 89 f3 72 40 48 89 ce [4195817.837229] RIP [&lt;ffffffffa0b934a5&gt;] osc_lru_reserve+0x25/0x130 [osc] [4195817.837434] RSP &lt;ffff881190fffbb8&gt; [4195817.837612] CR2: 0000000000000000 </pre> </div></div> LU-11658

The cl_cache may be uninitialized while osc is activating

Bug Minor Resolved Fixed Yang Sheng Yang Sheng Mon, 12 Nov 2018 07:10:19 +0000 Thu, 31 Aug 2023 10:04:01 +0000 Fri, 4 Jan 2019 05:19:31 +0000 Lustre 2.13.0 Lustre 2.10.7 Lustre 2.12.1 0 8 <p>Yang Sheng (ys@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/33650" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/33650</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11658" title="The cl_cache may be uninitialized while osc is activating" class="issue-link" data-issue-key="LU-11658"><del>LU-11658</del></a> lov: cl_cache could missing initialize<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: e0383b38484b3bf7fd5920eb53ac9ddc7235164d</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/33650/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/33650/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11658" title="The cl_cache may be uninitialized while osc is activating" class="issue-link" data-issue-key="LU-11658"><del>LU-11658</del></a> lov: cl_cache could miss initialize<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 42e83c44eb5a22cbacf1ed4c6d4d6b588e07faa9</p> <p>Landed for 2.13</p> <p>Minh Diep (mdiep@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/33980" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/33980</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11658" title="The cl_cache may be uninitialized while osc is activating" class="issue-link" data-issue-key="LU-11658"><del>LU-11658</del></a> lov: cl_cache could miss initialize<br/> Project: fs/lustre-release<br/> Branch: b2_10<br/> Current Patch Set: 1<br/> Commit: a1e4aa728667fabfffac96bbd560c710e762a175</p> <p>Yang Sheng (ys@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/33983" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/33983</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11658" title="The cl_cache may be uninitialized while osc is activating" class="issue-link" data-issue-key="LU-11658"><del>LU-11658</del></a> tests: fix typo in previous patch<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 52af5ee10a12a6de5918b8068cecc2daf6d5712f</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/33980/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/33980/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11658" title="The cl_cache may be uninitialized while osc is activating" class="issue-link" data-issue-key="LU-11658"><del>LU-11658</del></a> lov: cl_cache could miss initialize<br/> Project: fs/lustre-release<br/> Branch: b2_10<br/> Current Patch Set: <br/> Commit: 2bd4a23b0f716551bf95775be1db0f44dfe68682</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/33983/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/33983/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11658" title="The cl_cache may be uninitialized while osc is activating" class="issue-link" data-issue-key="LU-11658"><del>LU-11658</del></a> tests: fix typo in previous patch<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: c69e34ce0ed5759fbef20f5aae7f47ead5598094</p> <p>Minh Diep (mdiep@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/34306" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34306</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11658" title="The cl_cache may be uninitialized while osc is activating" class="issue-link" data-issue-key="LU-11658"><del>LU-11658</del></a> lov: cl_cache could miss initialize<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: 1<br/> Commit: b2c4190b3c161ddebd82e17309d699a49b9ed469</p> <p>Yang Sheng (ys@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/34419" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34419</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11658" title="The cl_cache may be uninitialized while osc is activating" class="issue-link" data-issue-key="LU-11658"><del>LU-11658</del></a> lov: remove KEY_CACHE_SET to simplify the code<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: c922f159bf791dd371550b027b7e4319142f7da7</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/34306/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34306/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11658" title="The cl_cache may be uninitialized while osc is activating" class="issue-link" data-issue-key="LU-11658"><del>LU-11658</del></a> lov: cl_cache could miss initialize<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: <br/> Commit: e1ff19d73c77bccf66429af1d8fb1ade7fcf8701</p> Related LU-17069 Development Rank 1|i0068f: Rank (Obsolete) 9223372036854775807 Severity