Segmentation fault (Address not mapped to object [0x8])

Particles, Track, Event, Run and Biasing
#1

hello,I want to simulate ZnS scintillator but didn’t define surface.when I run a macro file which is

control/loop run.mac length 0.0005 0.0060 0.0005

geant4 go wrong.

image
image1730×510 127 KB

if I just run with a singel thickness not loop,this error didn’t happened.

hope for someone to give me some adviece!!!

#2

The best thing to do here is compile Geant4 and your application in Debug or RelWithDebInfo mode to include debugging symbols. The application can then be run inside a debugger such as gdb or lldb to trace the source of the problem with more info than a simple backtrace.