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-9106 Lustre <p>[ 4206.142919] LustreError: 663:0:(vvp_io.c:573:vvp_io_update_iov()) ASSERTION( vio-&gt;vui_tot_nrsegs &gt;= vio-&gt;vui_iter-&gt;nr_segs ) failed: tot_nrsegs: 1, nrsegs: 2<br/> [ 4206.149328] LustreError: 663:0:(vvp_io.c:573:vvp_io_update_iov()) LBUG<br/> [ 4206.152489] Pid: 663, comm: nfsd<br/> [ 4206.154854] <br/>                Call Trace:<br/> [ 4206.154877]  <span class="error">&#91;&lt;ffffffffa03f1853&gt;&#93;</span> libcfs_debug_dumpstack+0x53/0x80 <span class="error">&#91;libcfs&#93;</span><br/> [ 4206.154883]  <span class="error">&#91;&lt;ffffffffa03f1f95&gt;&#93;</span> lbug_with_loc+0x45/0xc0 <span class="error">&#91;libcfs&#93;</span><br/> [ 4206.154915]  <span class="error">&#91;&lt;ffffffffa0aab327&gt;&#93;</span> vvp_io_rw_lock+0x6c7/0x770 <span class="error">&#91;lustre&#93;</span><br/> [ 4206.154924]  <span class="error">&#91;&lt;ffffffffa0401d27&gt;&#93;</span> ? libcfs_debug_msg+0x57/0x80 <span class="error">&#91;libcfs&#93;</span><br/> [ 4206.154938]  <span class="error">&#91;&lt;ffffffffa0aab403&gt;&#93;</span> vvp_io_write_lock+0x33/0x40 <span class="error">&#91;lustre&#93;</span><br/> [ 4206.154984]  <span class="error">&#91;&lt;ffffffffa05707fc&gt;&#93;</span> cl_io_lock+0x5c/0x410 <span class="error">&#91;obdclass&#93;</span><br/> [ 4206.155014]  <span class="error">&#91;&lt;ffffffffa0570db2&gt;&#93;</span> cl_io_loop+0x92/0x190 <span class="error">&#91;obdclass&#93;</span><br/> [ 4206.155025]  <span class="error">&#91;&lt;ffffffffa0a46c91&gt;&#93;</span> ll_file_io_generic+0x601/0xad0 <span class="error">&#91;lustre&#93;</span><br/> [ 4206.155035]  <span class="error">&#91;&lt;ffffffffa0a4750d&gt;&#93;</span> ll_file_aio_write+0x20d/0x870 <span class="error">&#91;lustre&#93;</span><br/> [ 4206.155039]  <span class="error">&#91;&lt;ffffffff811dde39&gt;&#93;</span> do_sync_readv_writev+0x79/0xd0<br/> [ 4206.155040]  <span class="error">&#91;&lt;ffffffff811df40e&gt;&#93;</span> do_readv_writev+0xce/0x260<br/> [ 4206.155049]  <span class="error">&#91;&lt;ffffffffa0a47300&gt;&#93;</span> ? ll_file_aio_write+0x0/0x870 <span class="error">&#91;lustre&#93;</span><br/> [ 4206.155059]  <span class="error">&#91;&lt;ffffffffa0a47b70&gt;&#93;</span> ? ll_file_write+0x0/0x1d0 <span class="error">&#91;lustre&#93;</span><br/> [ 4206.155061]  <span class="error">&#91;&lt;ffffffff812a7383&gt;&#93;</span> ? ima_get_action+0x23/0x30<br/> [ 4206.155063]  <span class="error">&#91;&lt;ffffffff812a69ee&gt;&#93;</span> ? process_measurement+0x8e/0x250<br/> [ 4206.155064]  <span class="error">&#91;&lt;ffffffff812a6c13&gt;&#93;</span> ? ima_file_check+0x63/0x1b0<br/> [ 4206.155065]  <span class="error">&#91;&lt;ffffffff811df635&gt;&#93;</span> vfs_writev+0x35/0x60<br/> [ 4206.155076]  <span class="error">&#91;&lt;ffffffffa029923e&gt;&#93;</span> nfsd_vfs_write.isra.13+0xae/0x380 <span class="error">&#91;nfsd&#93;</span><br/> [ 4206.155081]  <span class="error">&#91;&lt;ffffffffa029cf0c&gt;&#93;</span> nfsd_write+0xec/0x100 <span class="error">&#91;nfsd&#93;</span><br/> [ 4206.155087]  <span class="error">&#91;&lt;ffffffffa02a3660&gt;&#93;</span> nfsd3_proc_write+0xc0/0x160 <span class="error">&#91;nfsd&#93;</span><br/> [ 4206.155091]  <span class="error">&#91;&lt;ffffffffa029512b&gt;&#93;</span> nfsd_dispatch+0xbb/0x200 <span class="error">&#91;nfsd&#93;</span><br/> [ 4206.155104]  <span class="error">&#91;&lt;ffffffffa025a183&gt;&#93;</span> svc_process_common+0x453/0x6f0 <span class="error">&#91;sunrpc&#93;</span><br/> [ 4206.155111]  <span class="error">&#91;&lt;ffffffffa025a523&gt;&#93;</span> svc_process+0x103/0x170 <span class="error">&#91;sunrpc&#93;</span><br/> [ 4206.155115]  <span class="error">&#91;&lt;ffffffffa0294aaf&gt;&#93;</span> nfsd+0xdf/0x150 <span class="error">&#91;nfsd&#93;</span><br/> [ 4206.155118]  <span class="error">&#91;&lt;ffffffffa02949d0&gt;&#93;</span> ? nfsd+0x0/0x150 <span class="error">&#91;nfsd&#93;</span><br/> [ 4206.155122]  <span class="error">&#91;&lt;ffffffff810a5acf&gt;&#93;</span> kthread+0xcf/0xe0<br/> [ 4206.155123]  <span class="error">&#91;&lt;ffffffff810a5a00&gt;&#93;</span> ? kthread+0x0/0xe0<br/> [ 4206.155127]  <span class="error">&#91;&lt;ffffffff81645bd8&gt;&#93;</span> ret_from_fork+0x58/0x90<br/> [ 4206.155128]  <span class="error">&#91;&lt;ffffffff810a5a00&gt;&#93;</span> ? kthread+0x0/0xe0<br/> [ 4206.155129] <br/> [ 4206.155130] Kernel panic - not syncing: LBUG</p> LU-9106

ASSERTION( vio->vui_tot_nrsegs >= vio->vui_iter->nr_segs )

Bug Minor Resolved Cannot Reproduce WC Triage Andriy Skulysh Fri, 10 Feb 2017 11:19:07 +0000 Tue, 16 Jun 2020 09:00:53 +0000 Sun, 21 May 2017 11:59:19 +0000 0 5 <p>Andriy Skulysh (andriy.skulysh@seagate.com) uploaded a new patch: <a href="https://review.whamcloud.com/25371" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/25371</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-9106" title=" ASSERTION( vio-&gt;vui_tot_nrsegs &gt;= vio-&gt;vui_iter-&gt;nr_segs ) " class="issue-link" data-issue-key="LU-9106"><del>LU-9106</del></a> llite: ASSERTION(vio-&gt;vui_tot_nrsegs &gt;= vio-&gt;vui_iter-&gt;nr_segs)<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 009f9e659e7af42b11fb5da315bab9136cc6cb1d</p> <p>This is not related to master. What version was used to get this assert?</p> <p>The assertion was hit before <a href="https://review.whamcloud.com/#/c/20256/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/#/c/20256/</a>  but u.normal.via_iter is still modified.</p> <p>Ok. This means not affected versions more than v2.8.54.<br/> The u.normal.via_iter is just pointer. So, modification of it not affect the content.</p> <p>I agree with Dmitry - it's just a pointer.</p> <p>Should this be closed as a duplicate of <a href="https://jira.whamcloud.com/browse/LU-7382" title="(vvp_io.c:573:vvp_io_update_iov()) ASSERTION( vio-&gt;vui_tot_nrsegs &gt;= vio-&gt;vui_iter-&gt;nr_segs ) failed" class="issue-link" data-issue-key="LU-7382">LU-7382</a>, and the patch abandoned?</p> <p><a href="https://jira.whamcloud.com/browse/LU-7382" title="(vvp_io.c:573:vvp_io_update_iov()) ASSERTION( vio-&gt;vui_tot_nrsegs &gt;= vio-&gt;vui_iter-&gt;nr_segs ) failed" class="issue-link" data-issue-key="LU-7382">LU-7382</a> is a different issue. This one reproduces with <a href="https://jira.whamcloud.com/browse/LU-7382" title="(vvp_io.c:573:vvp_io_update_iov()) ASSERTION( vio-&gt;vui_tot_nrsegs &gt;= vio-&gt;vui_iter-&gt;nr_segs ) failed" class="issue-link" data-issue-key="LU-7382">LU-7382</a> patch applied but on 2.7 branch. master doesn't need it now.</p> <p>The LU branch relates to the community releases and the master branch. It sounds like this suggestion is something that should be tracked on the SEA project (which it is)</p> Duplicate LU-7382 Related LU-4257 Development Rank 1|hzz3gv: Rank (Obsolete) 9223372036854775807 Severity