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On 05/12/2011 06:50 PM, Longguang Yue wrote:
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<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"
lang="EN-US">Thank you first of all<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"
lang="EN-US">totally, there are 5 kinds of error occur. <o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent: 10.5pt;"><span
style="color: rgb(31, 73, 125);" lang="EN-US">Spinlock leads
to cpu lockup, o2net modules panic, kernel BUG at
mm/slub.c:2969, BUG unable to handle kernel paging request
at addr<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"
lang="EN-US">My environment: kernel-2.6.32.23 + xen +
ocfs2(1.5)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"
lang="EN-US">Thanks again.<o:p></o:p></span></p>
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<tt><br>
This looks like the deadlock as explained in<br>
this patch.<br>
<br>
commit 40f165f416bde747d85cdf71bc9dde700912f71f<br>
Author: Tao Ma <a class="moz-txt-link-rfc2396E" href="mailto:tao.ma@oracle.com"><tao.ma@oracle.com></a><br>
Date: Fri May 28 14:22:59 2010 +0800<br>
<br>
ocfs2: Move orphan scan work to ocfs2_wq.<br>
<br>
# git name-rev --tags 40f165f416bde747d85cdf71bc9dde700912f71f<br>
40f165f416bde747d85cdf71bc9dde700912f71f tags/v2.6.35-rc6~34^2~13</tt><br>
<br>
Fixed in 2.6.35. This should apply as-is to 2.6.32.<br>
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