|Message: Re: error in running my modified exampleN03||Not Logged In (login)|
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On Wed, 18 Sep 2002 firstname.lastname@example.org wrote: > *** Discussion title: Documentation and Examples > Email replies to PublicHyperNews@slac.stanford.edu must include: > In-Reply-To: <"/docsexamples/30"@geant4-hn.slac.stanford.edu> > Subject: ...change this to be about your reply. > > I modified the exampleN03 to deal with Low energy gamma(140Kev) > That was no problem in compiling the code.But some error happen > when I run it. > When I execute "gdb ./exampleN03 run1.mac",there are no problem > at the beginning,then the system show me this: > > . > . > . > Refreshing viewer "viewer-0 (OpenGLImmediateX)"... > Traversing scene data... > Viewer "viewer-0 (OpenGLImmediateX)" refreshed. > (You might also need "/vis/viewer/update".) > /vis/viewer/update > Viewer "viewer-0 (OpenGLImmediateX)" post-processing triggered. > # > # for drawing the tracks > # (if too many tracks cause core dump => storeTrajectory 0) > /tracking/storeTrajectory 1 > Idle> /run/beamOn 1 > /run/beamOn 1 > ### Run 0 start. > /vis/scene/notifyHandlers > Traversing scene data... > Viewer "viewer-0 (OpenGLImmediateX)" of scene handler "scene-handler-0" > prepared at request of scene "scene-1". > Start closing geometry. > Start Run processing. > > ---> Begin of event: 0 > > --------- Ranecu engine status --------- > Initial seed (index) = 0 > Current couple of seeds = 9876, 54321 > ---------------------------------------- > <CalCollection> is not found. > > Program received signal SIGSEGV, Segmentation fault. 0x8146912 in > G4LowEnergyPhotoElectric::GetMeanFreePath () > > What is the problem? Thanks for your help. > Hi, First of all one should look into modification of the PhysicsList. I propose to run the example with nonmodified PhysicsList first. If the bug will still takes place - remove all changes which were introduced by you. After you can return back your things one by one, after each modification run the example. Note, that simple substitution standard -> lowenergy should not provide a problem. VI
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