Home » PANDA » PandaRoot » Bugs, Fixes, Releases » another crash due to problem at z = -150
| Re: another crash due to problem at z = -150 [message #13458 is a reply to message #13457] |
Wed, 09 May 2012 17:53   |
Albrecht Gillitzer
Messages: 49
Registered: March 2004
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continuous participant |
From: *ikp.kfa-juelich.de
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Dear Maria,
I think the crash happens if a (primary or secondary) particle hits the specified volume element (x = 21.1, y = 48.9, z = -150.0). I can only give you the conditions with which I got the crash:
PandaRoot Revision: 15458
Reaction: 4.0 GeV/c pbar + d --> p phi pi-
start random seed: 29
--> crash at event 779
I attach the decay file and the simulation macro below. I think together with the revision number this is the best you can do to try to reproduce the crash.
Just run
root -b -q "run_sim_stt_evt.C(nEvents,29)"
with nEvents > 779.
However, I don't know whether on your computer you get exactly the same random numbers as I get. If not, you won't hit this volume element.
By the way, I got a similar crash with rev = 15051, start random seed = 17 at event 649 at x = 18.4, y = -71.5, z = -150.0, see my posted message of April 16. That's why I thought that we have a specific geometry problem at z = -150.0.
Maybe there is a faster way to test this by directly creating a particle which hits these volume elements but I don't know how to do this easily.
If you get something, please let me know.
Best regards,
Albrecht
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