Whamcloud Community JIRA https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 [LU-1467] ASSERTION(lock->l_req_mode == lock->l_granted_mode) https://jira.whamcloud.com/browse/LU-1467 Lustre <p>We've hit this assertion a number of times on OSS nodes in production. Running 2.1.1-4chaos on those servers.</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre></pre> </div></div> <p>2012-05-24 16:23:09 LustreError: 32583:0:(ost_handler.c:1666:ost_prolong_lock_one()) ASSERTION(lock-&gt;l_req_mode == lock-&gt;l_granted_mode) failed<br/> 2012-05-24 16:23:09 LustreError: 32583:0:(ost_handler.c:1666:ost_prolong_lock_one()) LBUG<br/> 2012-05-24 16:23:09 May 24 16:23:09 Pid: 32583, comm: ll_ost_io_389<br/> 2012-05-24 16:23:09 sumom9 kernel: L<br/> 2012-05-24 16:23:09 ustreError: 3258Call Trace:<br/> 2012-05-24 16:23:09 3:0:(ost_handler <span class="error">&#91;&lt;ffffffffa03be895&gt;&#93;</span> libcfs_debug_dumpstack+0x55/0x80 <span class="error">&#91;libcfs&#93;</span><br/> 2012-05-24 16:23:09 .c:1666:ost_prol <span class="error">&#91;&lt;ffffffffa03bedc7&gt;&#93;</span> lbug_with_loc+0x47/0xb0 <span class="error">&#91;libcfs&#93;</span><br/> 2012-05-24 16:23:09 ong_lock_one()) <span class="error">&#91;&lt;ffffffffa03c842d&gt;&#93;</span> libcfs_assertion_failed+0x2d/0x30 <span class="error">&#91;libcfs&#93;</span><br/> 2012-05-24 16:23:09 ASSERTION(lock-&gt; <span class="error">&#91;&lt;ffffffffa0aab697&gt;&#93;</span> ost_prolong_lock_one+0xd7/0x100 <span class="error">&#91;ost&#93;</span><br/> 2012-05-24 16:23:09 l_req_mode == lo <span class="error">&#91;&lt;ffffffffa0aabbcc&gt;&#93;</span> ost_rw_hpreq_check+0x1fc/0x450 <span class="error">&#91;ost&#93;</span><br/> 2012-05-24 16:23:09 ck-&gt;l_granted_mo <span class="error">&#91;&lt;ffffffffa03bf6ce&gt;&#93;</span> ? cfs_mem_cache_free+0xe/0x10 <span class="error">&#91;libcfs&#93;</span><br/> 2012-05-24 16:23:09 de) failed<br/> 2012-05-24 16:23:09 May 2 <span class="error">&#91;&lt;ffffffffa0aabe2e&gt;&#93;</span> ost_rw_hpreq_fini+0xe/0x10 <span class="error">&#91;ost&#93;</span><br/> 2012-05-24 16:23:09 4 16:23:09 sumom <span class="error">&#91;&lt;ffffffffa063df68&gt;&#93;</span> ptlrpc_server_finish_request+0x58/0x150 <span class="error">&#91;ptlrpc&#93;</span><br/> 2012-05-24 16:23:09 9 kernel: Lustre <span class="error">&#91;&lt;ffffffffa06435fa&gt;&#93;</span> ptlrpc_main+0x97a/0x1690 <span class="error">&#91;ptlrpc&#93;</span><br/> 2012-05-24 16:23:09 Error: 32583:0<img class="emoticon" src="https://jira.whamcloud.com/images/icons/emoticons/sad.png" height="16" width="16" align="absmiddle" alt="" border="0"/> <span class="error">&#91;&lt;ffffffffa0642c80&gt;&#93;</span> ? ptlrpc_main+0x0/0x1690 <span class="error">&#91;ptlrpc&#93;</span><br/> 2012-05-24 16:23:09 ost_handler.c:16 <span class="error">&#91;&lt;ffffffff8100c14a&gt;&#93;</span> child_rip+0xa/0x20<br/> 2012-05-24 16:23:09 66:ost_prolong_l <span class="error">&#91;&lt;ffffffffa0642c80&gt;&#93;</span> ? ptlrpc_main+0x0/0x1690 <span class="error">&#91;ptlrpc&#93;</span><br/> 2012-05-24 16:23:09 ock_one()) LBUG<br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffffa0642c80&gt;&#93;</span> ? ptlrpc_main+0x0/0x1690 <span class="error">&#91;ptlrpc&#93;</span><br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffff8100c140&gt;&#93;</span> ? child_rip+0x0/0x20<br/> 2012-05-24 16:23:09 <br/> 2012-05-24 16:23:09 Kernel panic - not syncing: LBUG<br/> 2012-05-24 16:23:09 Pid: 32583, comm: ll_ost_io_389 Not tainted 2.6.32-220.7.1.7chaos.ch5.x86_64 #1<br/> 2012-05-24 16:23:09 Call Trace:<br/> 2012-05-24 16:23:09 May 24 16:23:09 <span class="error">&#91;&lt;ffffffff814ee818&gt;&#93;</span> ? panic+0x78/0x143<br/> 2012-05-24 16:23:09 sumom9 kernel: K <span class="error">&#91;&lt;ffffffffa03bee1b&gt;&#93;</span> ? lbug_with_loc+0x9b/0xb0 <span class="error">&#91;libcfs&#93;</span><br/> 2012-05-24 16:23:09 ernel panic - no <span class="error">&#91;&lt;ffffffffa03c842d&gt;&#93;</span> ? libcfs_assertion_failed+0x2d/0x30 <span class="error">&#91;libcfs&#93;</span><br/> 2012-05-24 16:23:09 t syncing: LBUG<br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffffa0aab697&gt;&#93;</span> ? ost_prolong_lock_one+0xd7/0x100 <span class="error">&#91;ost&#93;</span><br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffffa0aabbcc&gt;&#93;</span> ? ost_rw_hpreq_check+0x1fc/0x450 <span class="error">&#91;ost&#93;</span><br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffffa03bf6ce&gt;&#93;</span> ? cfs_mem_cache_free+0xe/0x10 <span class="error">&#91;libcfs&#93;</span><br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffffa0aabe2e&gt;&#93;</span> ? ost_rw_hpreq_fini+0xe/0x10 <span class="error">&#91;ost&#93;</span><br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffffa063df68&gt;&#93;</span> ? ptlrpc_server_finish_request+0x58/0x150 <span class="error">&#91;ptlrpc&#93;</span><br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffffa06435fa&gt;&#93;</span> ? ptlrpc_main+0x97a/0x1690 <span class="error">&#91;ptlrpc&#93;</span><br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffffa0642c80&gt;&#93;</span> ? ptlrpc_main+0x0/0x1690 <span class="error">&#91;ptlrpc&#93;</span><br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffff8100c14a&gt;&#93;</span> ? child_rip+0xa/0x20<br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffffa0642c80&gt;&#93;</span> ? ptlrpc_main+0x0/0x1690 <span class="error">&#91;ptlrpc&#93;</span><br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffffa0642c80&gt;&#93;</span> ? ptlrpc_main+0x0/0x1690 <span class="error">&#91;ptlrpc&#93;</span><br/> 2012-05-24 16:23:09 <span class="error">&#91;&lt;ffffffff8100c140&gt;&#93;</span> ? child_rip+0x0/0x20</p> <blockquote></blockquote> <a href="https://github.com/chaos/lustre/tree/2.1.1-4chaos">https://github.com/chaos/lustre/tree/2.1.1-4chaos</a> LU-1467 ASSERTION(lock->l_req_mode == lock->l_granted_mode) Bug Minor Resolved Fixed Yang Sheng Christopher Morrone Fri, 1 Jun 2012 17:36:29 +0000 Mon, 29 Oct 2012 14:11:06 +0000 Mon, 11 Jun 2012 04:05:30 +0000 Lustre 2.3.0 0 3 <p>This must be an issue imported by <a href="https://jira.whamcloud.com/browse/LU-874" title="Client eviction on lock callback timeout " class="issue-link" data-issue-key="LU-874"><del>LU-874</del></a>. The root cause of this problem looks obvious - the lock was canceled while hpreq_check() is being called.</p> <p>Niu will look into this one</p> <p>Change of plan - YangSheng will handle this one</p> <p>Patch upload to: <a href="http://review.whamcloud.com/3042" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/3042</a></p> <p>Patch landed. Close bug.</p> Duplicate LU-1523 Development Rank 1|hzv6k7: Rank (Obsolete) 4597 Severity