[libfabric-users] "Local Protection Error" with verbs provider

Jörn Schumacher joern.schumacher at cern.ch
Sat Apr 9 23:06:31 PDT 2016


fixed it! It turns out in my code the memory regions were not always 
allocated large enough.

For others:
"Local Protection Error" is issued when memory is accessed by the verbs 
provider outside registered memory region. This error indicates an issue 
with registering MRs.


On 04/09/2016 05:05 PM, Jörn Schumacher wrote:
> Hi all,
> I am sending out message from a source to a destination host using
> libfabric v1.3.0rc2 with the verbs provider. This works well up to 2047
> messages. Then, if I increase the number of messages further (2048+),
> the program crashes because there is an error in the send completion queue.
> With fi_cq_strerror I get: "Local Protection Error".
> Does anyone know what this error (coming from the verbs provider) means?
> Thanks and Cheers,
> Jörn

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