<div class="gmail_quote">On Tue, Aug 14, 2012 at 11:28 PM, Xue jiufei <span dir="ltr"><<a href="mailto:xuejiufei@huawei.com" target="_blank">xuejiufei@huawei.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div class="h5"><br>
</div></div>Sorry, I haven't described it clearly.<br>
<br>
We trigger the BUG() in dlmrecovery.c:1923.<br>
<br>
Lockres had copyed lvb from previous valid locks and then meet with another lock with the EX level.<br>
<br>
1907 if (!dlm_lvb_is_empty(res->lvb) &&<br>
1908 (ml->type == LKM_EXMODE ||<br>
1909 memcmp(res->lvb, mres->lvb, DLM_LVB_LEN))) {<br>
......<br>
1923 BUG();<br>
1924 }<br>
</blockquote></div><br><div><br></div><div>Perfect. That is the place it should have oopsed.</div>