I am not sure if this is what you looking for

http://www.nabble.com/Slony-table-locking-question-td14396700.html#a14398224
Slony-table-locking-question 


Madhukar wrote:
> 
> Hello All,
> 
> I had sent a mail regarding this slony deadlock. We have seen one more
> issue while doing a subscribe.
> Can one of you please let me know what might be the issue ? We are
> deploying shortly and need some information.
> Below is the error we got. This is the second time:
> 
> 

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