On 05/12/2011 06:50 PM, Longguang Yue wrote: > > Thank you first of all > > totally, there are 5 kinds of error occur. > > Spinlock leads to cpu lockup, o2net modules panic, kernel BUG at > mm/slub.c:2969, BUG unable to handle kernel paging request at addr > > My environment: kernel-2.6.32.23 + xen + ocfs2(1.5) > > Thanks again. >
This looks like the deadlock as explained in this patch. commit 40f165f416bde747d85cdf71bc9dde700912f71f Author: Tao Ma <tao...@oracle.com> Date: Fri May 28 14:22:59 2010 +0800 ocfs2: Move orphan scan work to ocfs2_wq. # git name-rev --tags 40f165f416bde747d85cdf71bc9dde700912f71f 40f165f416bde747d85cdf71bc9dde700912f71f tags/v2.6.35-rc6~34^2~13 Fixed in 2.6.35. This should apply as-is to 2.6.32.
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