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Forum: Event and Track Management
Re: Question UpdateGeometry with a HP neutron physics list (Cristian Bungau)
Re: Feedback Re: UpdateGeometry with a HP neutron physics list (Gumplinger Peter)
Date: 14 Dec, 2010
From: Cristian Bungau <Cristian Bungau>

Dear Peter,

Thank you very much for your reply. I am only changing the dimensions of some objects in my DetectorConstruction, not the materials. However with or without the lines with PhysicsHasBeenModified and G4RegionStore::GetInstance()->UpdateMaterialList(physiWorld), I do get the segmentation fault when I want to start a new run with the modified geometry.

The geometry is modified indeed as seen in my visualization, but trying to start a run again results in:

...................................

muBrems:   for  mu-    SubType= 3
      dE/dx and range tables from 100 eV  to 10 TeV in 77 bins
      Lambda tables from threshold to 10 TeV in 77 bins, spline: 1
      ===== EM models for the G4Region  DefaultRegionForTheWorld ======
              MuBrem :     Emin=          0 eV         Emax=   10 TeV

muPairProd:   for  mu-    SubType= 4
      dE/dx and range tables from 100 eV  to 10 TeV in 77 bins
      Lambda tables from threshold to 10 TeV in 77 bins, spline: 1
      ===== EM models for the G4Region  DefaultRegionForTheWorld ======
          muPairProd :     Emin=          0 eV         Emax=   10 TeV

 *** Break *** segmentation violation

=========================================================== There was a crash. This is the entire stack trace of all threads: ===========================================================

Thread 3 (process 3613):

#0  0x00007fff888a6f8a in __workq_kernreturn ()
#1  0x00007fff888a739c in _pthread_wqthread ()
#2  0x00007fff888a7005 in start_wqthread ()

Thread 2 (process 3613):

#0  0x00007fff888a616a in kevent ()
#1  0x00007fff888a803d in _dispatch_mgr_invoke ()
#2  0x00007fff888a7d14 in _dispatch_queue_invoke ()
#3  0x00007fff888a783e in _dispatch_worker_thread2 ()
#4  0x00007fff888a7168 in _pthread_wqthread ()
#5  0x00007fff888a7005 in start_wqthread ()

Thread 1 (process 3613):

#0  0x00007fff8890af6c in wait4 ()
#1  0x00007fff8891f51a in system ()
#2  0x0000000102c1c498 in TUnixSystem::StackTrace ()
#3  0x0000000102c19e1a in TUnixSystem::DispatchSignals ()
#4  <signal handler called>
#5  0x0000000101269b40 in G4NeutronHPData::DoPhysicsVector ()
#6  0x00000001012704a8 in G4NeutronHPElasticData::BuildPhysicsTable ()
#7  0x0000000101e62120 in G4CrossSectionDataStore::BuildPhysicsTable ()
#8  0x0000000100ed3698 in G4HadronicProcess::BuildPhysicsTable () at stl_algobase.h:189
#9  0x0000000100e632ed in G4VUserPhysicsList::BuildPhysicsTable ()
#10 0x0000000100e637c4 in G4VUserPhysicsList::BuildPhysicsTable ()
#11 0x0000000100e58107 in G4RunManagerKernel::BuildPhysicsTables ()
#12 0x0000000100e584d0 in G4RunManagerKernel::RunInitialization ()
#13 0x0000000100e56060 in G4RunManager::RunInitialization ()
#14 0x0000000100e53dc8 in G4RunManager::BeamOn ()
#15 0x0000000100e59a18 in G4RunMessenger::SetNewValue ()
#16 0x0000000102627b24 in G4UIcommand::DoIt ()
#17 0x0000000102632249 in G4UImanager::ApplyCommand ()
#18 0x00000001005494a4 in G4UIterminal::ExecuteCommand ()
#19 0x000000010054aa9d in G4UIterminal::SessionStart ()
#20 0x0000000100005315 in main ()
===========================================================

The lines below might hint at the cause of the crash. If they do not help you then please submit a bug report at http://root.cern.ch/bugs. Please post the ENTIRE stack trace from above as an attachment in addition to anything else that might help us fixing this issue. ===========================================================

#5  0x0000000101269b40 in G4NeutronHPData::DoPhysicsVector ()
#6  0x00000001012704a8 in G4NeutronHPElasticData::BuildPhysicsTable ()
#7  0x0000000101e62120 in G4CrossSectionDataStore::BuildPhysicsTable ()
#8  0x0000000100ed3698 in G4HadronicProcess::BuildPhysicsTable () at stl_algobase.h:189
#9  0x0000000100e632ed in G4VUserPhysicsList::BuildPhysicsTable ()
#10 0x0000000100e637c4 in G4VUserPhysicsList::BuildPhysicsTable ()
#11 0x0000000100e58107 in G4RunManagerKernel::BuildPhysicsTables ()
#12 0x0000000100e584d0 in G4RunManagerKernel::RunInitialization ()
#13 0x0000000100e56060 in G4RunManager::RunInitialization ()
#14 0x0000000100e53dc8 in G4RunManager::BeamOn ()
#15 0x0000000100e59a18 in G4RunMessenger::SetNewValue ()
#16 0x0000000102627b24 in G4UIcommand::DoIt ()
#17 0x0000000102632249 in G4UImanager::ApplyCommand ()
#18 0x00000001005494a4 in G4UIterminal::ExecuteCommand ()
#19 0x000000010054aa9d in G4UIterminal::SessionStart ()
#20 0x0000000100005315 in main ()
===========================================================

Best regards,

Cristian

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1 Feedback: Re: UpdateGeometry with a HP neutron physics list   (Gumplinger Peter - 14 Dec, 2010)
(_ None: Re: UpdateGeometry with a HP neutron physics list   (Cristian Bungau - 15 Dec, 2010)
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