Dear all,

Please note that I created two issues two weeks ago in response to PyNN #560.

poisson_generator_ps causes segmentation fault after setting rate from 0 to positive value nest/nest-simulator#1278
poisson_generator_ps does not handle rate change correctly nest/nest-simulator#1279

and a PR is already availabe

Both issues are linked from PyNN #560.

Hans Ekkehard

On 16 Sep 2019, at 11:40, Dennis Terhorst <> wrote:

Dear Weinzierl,

this (both) looks like genuine bugs that should be fixed. Could you open two issues in the github tracker (, so we can properly track it and collect more detailed information.

We would need a minimal reproducer, ideally in NEST itself, to understand what is happening.


Dipl.-Phys. Dennis Terhorst
Coordinator Software Development

Institute of Neuroscience and Medicine (INM-6)
Computational and Systems Neuroscience &
Theoretical Neuroscience,
Institute for Advanced Simulation (IAS-6)
Jülich Research Centre, Member of the Helmholz Association and JARA
52425 Jülich, Germany

Building 15.22   Room 4004
Phone    +49 2461 61-85062
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Prof. Dr. Hans Ekkehard Plesser
Head, Data Science Section

Faculty of Science and Technology
Norwegian University of Life Sciences
PO Box 5003, 1432 Aas, Norway

Phone +47 6723 1560