On 24/08/17 09:39, Tomáš Slušný wrote: > > Hello Michael, > > so, according to stack trace, it looks like OpenFlowPlugin transaction > chain manager got notification that transaction chain failed, and what > we are doing then are that we create new transaction chain and close the > failed transaction chain. But it looks like in time we are closing the > failed transaction chain, there is still ping pong transaction open > (what, according to logs, is probably the one who triggered the failure > of chain and also the recreation of the chain), so I am not sure if this > is really bug in OpenFlowPlugin. Adding controller and mdsal to cc.
OFP has a currently-open transaction when from the failed transaction chain (i.e. between allocate and submit/cancel) when it is calling close(). This points towards missing synchronization between the callback code and the code that is using the chain. Bye, Robert
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