Crash when use edm4hep::MCParticleCollection exist()

[ihepzhangyao]

Crash when use edm4hep::MCParticleCollection exist() where MCParticleCollection is exist and can be read. Following are the error message.

 *** Break *** segmentation violation                                          
                                                                               
                                                                             
                                                                               
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There was a crash.                                                             
This is the entire stack trace of all threads:                                 
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#0  0x00007f3f277d846c in waitpid () from /lib64/libc.so.6                     
#1  0x00007f3f27755f62 in do_system () from /lib64/libc.so.6                   
#2  0x00007f3f18cac603 in TUnixSystem::StackTrace() () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libCore.so
#3  0x00007f3f18caef25 in TUnixSystem::DispatchSignals(ESignals) () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libCore.so
#4  <signal handler called>                                                    
#5  0x00007f3f18c2011d in TObjArray::Delete(char const*) () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libCore.so
#6  0x00007f3eef6c0202 in TGeoVolume::~TGeoVolume() () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libGeom.so
#7  0x00007f3eef6c0429 in TGeoVolume::~TGeoVolume() () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libGeom.so
#8  0x00007f3f18c20128 in TObjArray::Delete(char const*) () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libCore.so
#9  0x00007f3eef64cea2 in TGeoManager::~TGeoManager() () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libGeom.so
#10 0x00007f3eef64d229 in TGeoManager::~TGeoManager() () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libGeom.so
#11 0x00007f3f18c1a2c8 in TList::Delete(char const*) () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libCore.so
#12 0x00007f3f18b5ff4f in TROOT::~TROOT() () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libCore.so
#13 0x00007f3f2774cce9 in __run_exit_handlers () from /lib64/libc.so.6         
#14 0x00007f3f2774cd37 in exit () from /lib64/libc.so.6                        
#15 0x00007f3f287d16e9 in Py_Exit (sts=sts                                     
entry=6) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pylifecycle.c:2292
#16 0x00007f3f287d94b1 in handle_system_exit () at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:636
#17 0x00007f3f287d990f in handle_system_exit () at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:683
#18 PyErr_PrintEx (set_sys_last_vars=set_sys_last_vars                         
entry=1) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:646
#19 0x00007f3f287d9a5a in PyErr_Print () at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:542
#20 0x00007f3f287dab98 in PyRun_SimpleFileExFlags (fp=fp                       
entry=0x9bf6a0, filename=<optimized out>, closeit=closeit                      
entry=1, flags=flags                                                           
entry=0x7ffd6eef09fc) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:435
#21 0x00007f3f287dae43 in PyRun_AnyFileExFlags (fp=fp                          
entry=0x9bf6a0, filename=<optimized out>, closeit=closeit                      
entry=1, flags=flags                                                           
entry=0x7ffd6eef09fc) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:84
#22 0x00007f3f287f9c82 in pymain_run_file (p_cf=0x7ffd6eef09fc, filename=<optimized out>, fp=0x9bf6a0) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Modules/main.c:428
#23 pymain_run_filename (cf=0x7ffd6eef09fc, pymain=0x7ffd6eef0ad0) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Modules/main.c:1607
#24 pymain_run_python (pymain=0x7ffd6eef0ad0) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Modules/main.c:2868
#25 pymain_main (pymain=pymain
entry=0x7ffd6eef0ad0) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Modules/main.c:3029
#26 0x00007f3f287f9ec9 in _Py_UnixMain (argc=<optimized out>, argv=<optimized out>) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Modules/main.c:3064
#27 0x00007f3f27735555 in __libc_start_main () from /lib64/libc.so.6           
#28 0x00000000004006ce in _start ()                                            
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The lines below might hint at the cause of the crash.                          
You may get help by asking at the ROOT forum http://root.cern.ch/forum         
Only if you are really convinced it is a bug in ROOT then please submit a      
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.                                          
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#5  0x00007f3f18c2011d in TObjArray::Delete(char const*) () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libCore.so
#6  0x00007f3eef6c0202 in TGeoVolume::~TGeoVolume() () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libGeom.so
#7  0x00007f3eef6c0429 in TGeoVolume::~TGeoVolume() () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libGeom.so
#8  0x00007f3f18c20128 in TObjArray::Delete(char const*) () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libCore.so
#9  0x00007f3eef64cea2 in TGeoManager::~TGeoManager() () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libGeom.so
#10 0x00007f3eef64d229 in TGeoManager::~TGeoManager() () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libGeom.so
#11 0x00007f3f18c1a2c8 in TList::Delete(char const*) () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libCore.so
#12 0x00007f3f18b5ff4f in TROOT::~TROOT() () from /cvmfs/sft.cern.ch/lcg/releases/ROOT/v6.22.00-be0a0/x86_64-centos7-gcc8-opt/lib/libCore.so
#13 0x00007f3f2774cce9 in __run_exit_handlers () from /lib64/libc.so.6         
#14 0x00007f3f2774cd37 in exit () from /lib64/libc.so.6                        
#15 0x00007f3f287d16e9 in Py_Exit (sts=sts                                     
entry=6) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pylifecycle.c:2292
#16 0x00007f3f287d94b1 in handle_system_exit () at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:636
#17 0x00007f3f287d990f in handle_system_exit () at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:683
#18 PyErr_PrintEx (set_sys_last_vars=set_sys_last_vars                         
entry=1) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:646
#19 0x00007f3f287d9a5a in PyErr_Print () at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:542
#20 0x00007f3f287dab98 in PyRun_SimpleFileExFlags (fp=fp                       
entry=0x9bf6a0, filename=<optimized out>, closeit=closeit                      
entry=1, flags=flags                                                           
entry=0x7ffd6eef09fc) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:435
#21 0x00007f3f287dae43 in PyRun_AnyFileExFlags (fp=fp                          
entry=0x9bf6a0, filename=<optimized out>, closeit=closeit                      
entry=1, flags=flags                                                           
entry=0x7ffd6eef09fc) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Python/pythonrun.c:84
#22 0x00007f3f287f9c82 in pymain_run_file (p_cf=0x7ffd6eef09fc, filename=<optimized out>, fp=0x9bf6a0) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Modules/main.c:428
#23 pymain_run_filename (cf=0x7ffd6eef09fc, pymain=0x7ffd6eef0ad0) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Modules/main.c:1607
#24 pymain_run_python (pymain=0x7ffd6eef0ad0) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Modules/main.c:2868
#25 pymain_main (pymain=pymain                                                 
entry=0x7ffd6eef0ad0) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Modules/main.c:3029
#26 0x00007f3f287f9ec9 in _Py_UnixMain (argc=<optimized out>, argv=<optimized out>) at /workspace/build/externals/Python-3.7.6/src/Python/3.7.6/Modules/main.c:3064
#27 0x00007f3f27735555 in __libc_start_main () from /lib64/libc.so.6           
#28 0x00000000004006ce in _start ()                                            
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[mirguest]

Hi @ihepzhangyao ,
In order to let other people help you, could you post the details (scripts and input) how to repeat your problem?
Tao

[mirguest]

Hi @zoujh ,
Could you have a look at this problem?
Tao