[Gate-users] core dump

[Jon Engle]

All,

For my work, I would like to be able to simulate positrons emitted from a
point source in air. To do so, I am enclosing the source in a 1 mm radius
sphere of water for attenuation and annihilation. I recognize that doing so
likely means some positrons will escape the world volume without
annihilating.

However, sometimes (not all the time), my simulations of point sources at
different locations return a segmentation violation and a core dump. Often,
I am able to rerun the same simulation with a different seed without
problems. The error message is below, slightly abbreviated to reduce the
size of my log files (if it might help to have a more detailed output, I am
happy to change my settings and provide this):

.
.
.
.
[GateTrajectoryNavigator::FindAnnihilationGammasTrackID]  WARNING : positron
found and photonID vector size: 1
[GateTrajectoryNavigator::FindAnnihilationGammasTrackID]  WARNING : positron
found and photonID vector size: 1
[GateTrajectoryNavigator::FindAnnihilationGammasTrackID]  WARNING : positron
found and photonID vector size: 1
[GateTrajectoryNavigator::FindAnnihilationGammasTrackID]  WARNING : positron
found and photonID vector size: 1
[GateTrajectoryNavigator::FindAnnihilationGammasTrackID]  WARNING : positron
found and photonID vector size: 1
[GateTrajectoryNavigator::FindAnnihilationGammasTrackID]  WARNING : positron
found and photonID vector size: 1
[GateTrajectoryNavigator::FindAnnihilationGammasTrackID]  WARNING : positron
found and photonID vector size: 1
[GateTrajectoryNavigator::FindAnnihilationGammasTrackID]  WARNING : positron
found and photonID vector size: 4

 *** Break *** segmentation violation
 Generating stack trace...
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
/usr/bin/addr2line: 'gate': No such file
 0x0000000000570630 in GateDigitizer::Digitize() + 0x1f0 from gate
 0x000000000057fa6e in GateOutputMgr::RecordEndOfEvent(G4Event const*) +
0x8e from gate
 0x0000000000575f7f in GateEventAction::EndOfEventAction(G4Event const*) +
0x8f from gate
 0x0000000000a4c30a in G4EventManager::DoProcessing(G4Event*) + 0x6da from
gate
 0x000000000099e7e1 in G4RunManager::DoEventLoop(int, char const*, int) +
0xd1 from gate
 0x000000000099d0c1 in G4RunManager::BeamOn(int, char const*, int) + 0x91
from gate
 0x0000000000567edb in GateApplicationMgr::StartDAQ() + 0x11b from gate
 0x00000000005b884b in
GateApplicationMgrMessenger::SetNewValue(G4UIcommand*, G4String) + 0x12b
from gate
 0x0000000000bd3f18 in G4UIcommand::DoIt(G4String) + 0x388 from gate
 0x0000000000bdd772 in G4UImanager::ApplyCommand(char const*) + 0x482 from
gate
 0x0000000000be560d in G4UIbatch::SessionStart() + 0x3fd from gate
 0x0000000000bda705 in G4UImanager::ExecuteMacroFile(char const*) + 0x45
from gate
 0x00000000005a5cb0 in GateUIcontrolMessenger::LaunchMacroFile(G4String) +
0xb0 from gate
 0x00000000005a5e27 in GateUIcontrolMessenger::SetNewValue(G4UIcommand*,
G4String) + 0xd7 from gate
 0x0000000000bd3f18 in G4UIcommand::DoIt(G4String) + 0x388 from gate
 0x0000000000bdd772 in G4UImanager::ApplyCommand(char const*) + 0x482 from
gate
 0x0000000000566671 in main + 0x751 from gate
 0x000000381d01c784 in __libc_start_main + 0xf4 from /lib64/libc.so.6
 0x00000000005653aa in TApplicationImp::ShowMembers(TMemberInspector&,
char*) + 0x9a from gate
dogaterun.positrons: line 3: 29484 Aborted                 (core dumped)
gate main.ps.positrons.x0y0.mac

thanks again,


-- 
***************************************************************************
Jonathan Engle, Lab Tech
Utah Center for Advanced Imaging Research
729 Arapeen Drive, Salt Lake City, UT 84108-1218
(801) 581.8288, englephysics.com
***************************************************************************
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