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  1. ROOT
  2. ROOT-7520

Segmentation fault when loading a RooLinearVar from a RooWorkspace

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      When loading a RooLinearVar from a RooWorkspace, I get a segmentation fault:

      ===========================================================
      There was a crash.
      This is the entire stack trace of all threads:
      ===========================================================
      #0 0x00007f27bc50c65d in waitpid () from /lib64/libc.so.6
      #1 0x00007f27bc49e609 in do_system () from /lib64/libc.so.6
      #2 0x00007f27bc49e940 in system () from /lib64/libc.so.6
      #3 0x00007f27b574ae3f in TUnixSystem::StackTrace() () from /afs/cern.ch/sw/lcg/releases/LCG_79/ROOT/6.04.02/x86_64-slc6-gcc48-opt/lib/libCore.so
      #4 0x00007f27b574c9bc in TUnixSystem::DispatchSignals(ESignals) () from /afs/cern.ch/sw/lcg/releases/LCG_79/ROOT/6.04.02/x86_64-slc6-gcc48-opt/lib/libCore.so
      #5 <signal handler called>
      #6 0x00007f27b568f8e3 in TDirectory::RegisterContext(TDirectory::TContext*) () from /afs/cern.ch/sw/lcg/releases/LCG_79/ROOT/6.04.02/x86_64-slc6-gcc48-opt/lib/libCore.so
      #7 0x00007f27b45b738b in TDirectoryFile::Save() () from /afs/cern.ch/sw/lcg/releases/LCG_79/ROOT/6.04.02/x86_64-slc6-gcc48-opt/lib/libRIO.so
      #8 0x00007f27b45b57d1 in TDirectoryFile::Close(char const*) () from /afs/cern.ch/sw/lcg/releases/LCG_79/ROOT/6.04.02/x86_64-slc6-gcc48-opt/lib/libRIO.so
      #9 0x00007f27b46db4d2 in TFile::Close(char const*) () from /afs/cern.ch/sw/lcg/releases/LCG_79/ROOT/6.04.02/x86_64-slc6-gcc48-opt/lib/libRIO.so
      #10 0x00007f27b46db8a7 in TFile::~TFile() () from /afs/cern.ch/sw/lcg/releases/LCG_79/ROOT/6.04.02/x86_64-slc6-gcc48-opt/lib/libRIO.so
      #11 0x00007f27b46dbb49 in TFile::~TFile() () from /afs/cern.ch/sw/lcg/releases/LCG_79/ROOT/6.04.02/x86_64-slc6-gcc48-opt/lib/libRIO.so
      #12 0x00007f27b5723b43 in TClass::Destructor(void*, bool) () from /afs/cern.ch/sw/lcg/releases/LCG_79/ROOT/6.04.02/x86_64-slc6-gcc48-opt/lib/libCore.so
      #13 0x00007f27b5b00d5e in PyROOT::op_dealloc_nofree(PyROOT::ObjectProxy*) () from /afs/cern.ch/sw/lcg/releases/LCG_79/ROOT/6.04.02/x86_64-slc6-gcc48-opt/lib/libPyROOT.so
      #14 0x00007f27b5b00d99 in PyROOT::(anonymous namespace)::op_dealloc(PyROOT::ObjectProxy*) () from /afs/cern.ch/sw/lcg/releases/LCG_79/ROOT/6.04.02/x86_64-slc6-gcc48-opt/lib/libPyROOT.so
      #15 0x00007f27bd1533ca in subtype_dealloc () from /afs/cern.ch/sw/lcg/releases/Python/2.7.9.p1-df007/x86_64-slc6-gcc48-opt/bin/../lib/libpython2.7.so.1.0
      #16 0x00007f27bd13208f in insertdict_by_entry () from /afs/cern.ch/sw/lcg/releases/Python/2.7.9.p1-df007/x86_64-slc6-gcc48-opt/bin/../lib/libpython2.7.so.1.0
      #17 0x00007f27bd134e1b in PyDict_SetItem () from /afs/cern.ch/sw/lcg/releases/Python/2.7.9.p1-df007/x86_64-slc6-gcc48-opt/bin/../lib/libpython2.7.so.1.0
      #18 0x00007f27bd1390ec in _PyModule_Clear () from /afs/cern.ch/sw/lcg/releases/Python/2.7.9.p1-df007/x86_64-slc6-gcc48-opt/bin/../lib/libpython2.7.so.1.0
      #19 0x00007f27bd1bc65d in PyImport_Cleanup () from /afs/cern.ch/sw/lcg/releases/Python/2.7.9.p1-df007/x86_64-slc6-gcc48-opt/bin/../lib/libpython2.7.so.1.0
      #20 0x00007f27bd1d0cbe in Py_Finalize () from /afs/cern.ch/sw/lcg/releases/Python/2.7.9.p1-df007/x86_64-slc6-gcc48-opt/bin/../lib/libpython2.7.so.1.0
      #21 0x00007f27bd1e6895 in Py_Main () from /afs/cern.ch/sw/lcg/releases/Python/2.7.9.p1-df007/x86_64-slc6-gcc48-opt/bin/../lib/libpython2.7.so.1.0
      #22 0x00007f27bc47ed5d in __libc_start_main () from /lib64/libc.so.6
      #23 0x00000000004006d9 in _start ()
      ===========================================================

      A MWE is attached. It needs to be run twice to reproduce the problem.

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            • Assignee:
              shageboe Stephan Hageboeck
              Reporter:
              apuignav Albert Puig Navarro (Inactive)
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              • Created:
                Updated:
                Resolved: