yade-dev team mailing list archive

[Chiara Modenese <c.modenese@xxxxxxxxx>]

As of r2449, I am not able to reproduce this with the scripts you
provided. Please reopen if appropriate. I suspect it was one of the
NaN's coming from norm of zero vectors and such, which were hidden by
wm3, but surfaced since we switched to eigen.

** Changed in: yade
       Status: New => Fix Released

-- 
InsertionSortCollider segfault after O.load(..)
https://bugs.launchpad.net/bugs/600574
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Status in Yet Another Dynamic Engine: Fix Released

Bug description:
bzr2310 has some problems with InsertionSortCollider, after loading from a saved file, it crashes:

Running script test2.py
2370  FATAL yade.VelocityBins pkg/common/DataClass/VelocityBins.cpp:77 setBins: Body #2, velSq=nan not put in any bin!?
SIGSEGV/SIGABRT handler called; gdb batch file is `/tmp/yade-15sOSi/tmp-0'

#7  0x00007f08f192f630 in VelocityBins::setBins (this=0x7f08e1439870, rootBody=0x2f9a000, currMaxVelSq=<value optimized out>, refSweepLength=<value optimized out>) at pkg/common/DataClass/VelocityBins.cpp:77
#8  0x00007f08efcce372 in InsertionSortCollider::action (this=0x7f08dc001c20) at pkg/common/Engine/GlobalEngine/InsertionSortCollider.cpp:199
#9  0x00007f08fb3b5153 in Scene::moveToNextTimeStep (this=0x2f9a000) at /home/janek/20-Programowanie/10-cpp/50-Yade/Code/HEAD/trunk/core/Scene.cpp:87


A am attaching a short script that will reproduce this bug, it happens about 50% of the time. Please run it several times to reproduce this. Sometimes this bug manifests in a different way: after loading the simulation explodes.