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-1877 Lustre <p>I tried current master (at ad173173fe6b67e41c2c232a15c5eb6939836871 hash) with fully debug-enabled kernel today and got this on mount (just sh llmount.sh):</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java">[ 1311.301072] Lustre: lustre-OST0001: received MDS connection from 0@lo [ 1311.302986] Lustre: MDS mdd_obd-lustre-MDT0000: lustre-OST0001_UUID now active, resetting orphans [ 1316.301604] BUG: spinlock bad magic on CPU#0, mdt00_002/4625 (Not tainted) [ 1316.303829] lock: ffff88028f47c648, .magic: 00000000, .owner: &lt;none&gt;/-1, .owner_cpu: 0 [ 1316.305413] Pid: 4625, comm: mdt00_002 Not tainted 2.6.32-debug #3 [ 1316.307102] Call Trace: [ 1316.308737] [&lt;ffffffff8128266a&gt;] ? spin_bug+0xaa/0x100 [ 1316.309514] [&lt;ffffffff81282805&gt;] ? _raw_spin_lock+0xa5/0x180 [ 1316.310382] [&lt;ffffffff814fc59e&gt;] ? _spin_lock+0xe/0x10 [ 1316.311177] [&lt;ffffffffa0c06fc4&gt;] ? mdt_statfs+0x2b4/0x4b0 [mdt] [ 1316.312103] [&lt;ffffffffa0bf8d42&gt;] ? mdt_handle_common+0x922/0x1740 [mdt] [ 1316.313163] [&lt;ffffffffa0bf9c35&gt;] ? mdt_regular_handle+0x15/0x20 [mdt] [ 1316.314186] [&lt;ffffffffa056986f&gt;] ? ptlrpc_server_handle_request+0x44f/0xee0 [ptlrpc] [ 1316.315480] [&lt;ffffffffa026266e&gt;] ? cfs_timer_arm+0xe/0x10 [libcfs] [ 1316.317901] [&lt;ffffffffa0562711&gt;] ? ptlrpc_wait_event+0xb1/0x2a0 [ptlrpc] [ 1316.318913] [&lt;ffffffff81051f73&gt;] ? __wake_up+0x53/0x70 [ 1316.319711] [&lt;ffffffffa056c3de&gt;] ? ptlrpc_main+0xaee/0x1800 [ptlrpc] [ 1316.320698] [&lt;ffffffffa056b8f0&gt;] ? ptlrpc_main+0x0/0x1800 [ptlrpc] [ 1316.321655] [&lt;ffffffff8100c14a&gt;] ? child_rip+0xa/0x20 [ 1316.322448] [&lt;ffffffffa056b8f0&gt;] ? ptlrpc_main+0x0/0x1800 [ptlrpc] [ 1316.323479] [&lt;ffffffffa056b8f0&gt;] ? ptlrpc_main+0x0/0x1800 [ptlrpc] [ 1316.324444] [&lt;ffffffff8100c140&gt;] ? child_rip+0x0/0x20 [ 1316.386451] Lustre: Mounted lustre-client </pre> </div></div> LU-1877

BUG: spinlock bad magic on CPU#0, mdt00_002/4625 on mount

Bug Major Resolved Fixed Alex Zhuravlev Oleg Drokin Mon, 10 Sep 2012 16:56:32 +0000 Wed, 2 Jan 2013 15:55:05 +0000 Wed, 2 Jan 2013 15:55:05 +0000 Lustre 2.4.0 Lustre 2.4.0 0 2 <p>Link to <a href="https://jira.whamcloud.com/browse/LU-1823" title="sanity/103: slab corruption" class="issue-link" data-issue-key="LU-1823"><del>LU-1823</del></a>, which is enabling the CONFIG_DEBUG options for review testing kernels.</p> <p>This was introduced by recent landing of <a href="http://review.whamcloud.com/3780" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/3780</a> (<a href="https://jira.whamcloud.com/browse/LU-1304" title="MDS restructuring" class="issue-link" data-issue-key="LU-1304"><del>LU-1304</del></a>).</p> <p>mdt_osfs_lock is added, but never initialized. should be trivial to fix.</p> <p>thanks, I'll cook the fix.</p> <p><a href="http://review.whamcloud.com/#change,3946" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#change,3946</a></p> <p>Landed for 2.4</p> Related LU-1823 Development Rank 1|hzv5lz: Rank (Obsolete) 4443 Severity