Segmentation problem, but not knowing where

Getting Started
1

Hello, the simulation compile but there is a problem when running.
Unfortunately, the gdb only says:

Program received signal SIGSEGV, Segmentation fault.
G4LogicalVolume::AddDaughter(G4VPhysicalVolume*) ()
    at /cvmfs/geant4.cern.ch/geant4/10.7.p03/share/source/geometry/management/src/G4LogicalVolume.cc:277
277       if( fDaughters.empty() )
Missing separate debuginfos, use: debuginfo-install cyrus-sasl-lib-2.1.26-24.el7_9.x86_64 glib2-2.56.1-9.el7_9.x86_64 glibc-2.17-326.el7_9.x86_64 keyutils-libs-1.5.8-3.el7.x86_64 krb5-libs-1.15.1-54.el7_9.x86_64 libICE-1.0.9-9.el7.x86_64 libSM-1.2.2-2.el7.x86_64 libX11-1.6.7-4.el7_9.x86_64 libXau-1.0.8-2.1.el7.x86_64 libXext-1.3.3-3.el7.x86_64 libXft-2.3.2-2.el7.x86_64 libXmu-1.1.2-2.el7.x86_64 libXp-1.0.2-2.1.el7.x86_64 libXrender-0.9.10-1.el7.x86_64 libXt-1.1.5-3.el7.x86_64 libcom_err-1.42.9-19.el7.x86_64 libcurl-7.29.0-59.el7_9.1.x86_64 libglvnd-1.0.1-0.8.git5baa1e5.el7.x86_64 libglvnd-glx-1.0.1-0.8.git5baa1e5.el7.x86_64 libidn-1.28-4.el7.x86_64 libjpeg-turbo-1.2.90-8.el7.x86_64 libpng-1.5.13-8.el7.x86_64 libselinux-2.5-15.el7.x86_64 libssh2-1.8.0-4.el7.x86_64 libuuid-2.23.2-65.el7_9.1.x86_64 libxcb-1.13-1.el7.x86_64 motif-2.3.4-14.el7_5.x86_64 nspr-4.32.0-1.el7_9.x86_64 nss-3.67.0-4.el7_9.x86_64 nss-softokn-freebl-3.67.0-3.el7_9.x86_64 nss-util-3.67.0-1.el7_9.x86_64 openldap-2.4.44-25.el7_9.x86_64 openssl-libs-1.0.2k-25.el7_9.x86_64 pcre-8.32-17.el7.x86_64

Then I don’t know in my code where is the problem. Is there other way to know the code producing this problem?

2

If you’re using GDB, as you say, then type “bt” and you’ll get the traceback of all the calls. It should be fairly self-explanatory if you’re familiar with C++ and your own code.

3

Hi @mkelsey mkelsey, the problem is that the error that I quoted in my previous message is the result of the “bt” command! That’s because I don’t understand the error…i.e. instead to give an error in my code, it gives error in the G4LocicalVolume!

4

Solved myself.
Topic can be closed

5

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