> Hi.
> 
> We have started to scale up one of our codes and sometimes we get messages
> like this:
> 
> [c9-13.local:31125] Memory 0x2aaab7b64000:217088 cannot be freed from
> the registration cache. Possible memory corruption.
> 
> It seems like the application runs normally and it does not crash becaus of
> this.  Should we be worried?  We have tested the code with up to 1700 cores
> and the message becomes more frequent as we scale up.

Nevermind, this turned out to be an application bug.  A buffer was freed before 
Isend completed.

r.


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        Roy Dragseth, Team Leader, High Performance Computing
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