Hi Rootusers, I am getting the following segmentation error on running the root script. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 1024 (LWP 18199)] 0x40e4d087 in pthread_mutex_lock () from /lib/i686/libpthread.so.0 (gdb) bt #0 0x40e4d087 in pthread_mutex_lock () from /lib/i686/libpthread.so.0 #1 0x4207ad18 in free () from /lib/i686/libc.so.6 #2 0x40ee5953 in operator delete(void*) (ptr=0x410) at del_op.cc:39 #3 0x40125fc7 in TStorage::ObjectDealloc(void*) () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCore.so #4 0x4010fcbf in TObject::operator delete(void*) () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCore.so #5 0x415d42a0 in TLorentzVector::~TLorentzVector() () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libPhysics.so #6 0x415e8a95 in G__G__Physics_135_7_10(G__value*, char const*, G__param*, int) () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libPhysics.so #7 0x4061d188 in G__call_cppfunc () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #8 0x4060b2e3 in G__interpret_func () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #9 0x405eabc8 in G__getfunction () ---Type <return> to continue, or q <return> to quit--- from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #10 0x406739db in G__class_2nd_decl () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #11 0x406752e9 in G__letvariable () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #12 0x405cb9ac in G__define_var () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #13 0x4066dc85 in G__defined_type () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #14 0x4063abfa in G__exec_statement () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #15 0x406386e7 in G__exec_loop () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #16 0x40638e81 in G__exec_for () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so ---Type <return> to continue, or q <return> to quit--- #17 0x4063b454 in G__exec_statement () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #18 0x405c585f in G__exec_tempfile_core () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #19 0x405c5afb in G__exec_tempfile () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #20 0x40643d3d in G__process_cmd () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCint.so #21 0x40161e96 in TCint::ProcessLine(char const*, TInterpreter::EErrorCode*) () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCore.so #22 0x40161f99 in TCint::ProcessLineSynch(char const*, TInterpreter::EErrorCode*) () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCore.so #23 0x400e17ec in TApplication::ProcessFile(char const*, int*) () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCore.so #24 0x400e0f86 in TApplication::ProcessLine(char const*, bool, int*) () ---Type <return> to continue, or q <return> to quit--- from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCore.so #25 0x40e1304e in TRint::HandleTermInput() () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libRint.so #26 0x40e11e35 in TTermInputHandler::Notify() () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libRint.so #27 0x40e13872 in TTermInputHandler::ReadNotify() () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libRint.so #28 0x401c6e15 in TUnixSystem::CheckDescriptors() () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCore.so #29 0x401c64f2 in TUnixSystem::DispatchOneEvent(bool) () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCore.so #30 0x401313b3 in TSystem::InnerLoop() () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCore.so #31 0x40131341 in TSystem::Run() () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCore.so ---Type <return> to continue, or q <return> to quit--- #32 0x400e19f6 in TApplication::Run(bool) () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libCore.so #33 0x40e12bdb in TRint::Run(bool) () from /afs/cern.ch/cms/external/lcg/external/root/3.10.01/rh73_gcc32/lib/libRint.so #34 0x080488a0 in main () #35 0x42017589 in __libc_start_main () from /lib/i686/libc.so.6 Please suggest where is the problem. Regards, Sudeep
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