From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Mon, 14 Sep 2009 12:30:39 -0700
Subject: [Ocfs2-devel] dlm stress test hangs OCFS2
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To: ocfs2-devel@oss.oracle.com

Thanks. Can you email me the _full_ trace log.

Coly Li wrote:
> Hi Sunil,
>
> Here is the printk info from your patch. I patched it into 2.6.31-rc8.
>
> This time it's quite easy to wait for the open file blocking happens. All the
> trace info on all 2 nodes (x1, and x2) are taken in blocking time.
>
> Thanks.
>
> Sunil Mushran Wrote:
>   
>> Thanks, Coly.
>>
>> So dlmglue calls dlmlock to downconvert the lock from EX => NL.
>> However, in the next iteration, we see lock at PR. Strange.
>>
>> Anycase, I have created a patch that should provide more info.
>> The patch is against the current mainline. It should apply against
>> older trees. But may require a bit of tlc.
>>
>> Please re-run with the the following patch.
>> http://oss.oracle.com/~smushran/0001-ocfs2-Patch-to-debug-hang-in-dlmglue-when-running-d.patch
>>
>>     
>
>