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[Chareyre <689579@xxxxxxxxxxxxxxxxxx>]

Visualy, I don't see particles going through the plane before it
crashes, but here is another thing :
Yade [1]: terminate called after throwing an instance of
'std::runtime_error'
  what():  NewtonIntegrator: NaN force acting on #93.

It can explain how normal is inverted. I could see the particle touching
the plane, and then immediatly disapearing, just before crash.
I'll recompile without openmp eventualy (atm it always crashes yade).
It seems the problem will not appear if trackEnergy=False. I'd guess
there is a mistake in a "if(trackEnergy){}" part of the code.

B.

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https://bugs.launchpad.net/bugs/689579

Title:
  exception in energy.py

Status in Yet Another Dynamic Engine:
  New

Bug description:
  Running scripts/test/energy.py, yade crash randomly (frequence ~30%)  with this message :

2013  FATAL yade.ThreadRunner /home/3S-LAB/bchareyre/yade/yade-test-kdev/yade/core/ThreadRunner.cpp:31 run: Exception occured: 
Ig2_Wall_Sphere_L3Geom_Inc: normal changed in Wall+Sphere ##350+281 (Wall.sense≠0?)