[Rivet] Rivet segfaults (Mac OS X)

[Stefan Richter]

Dear Chris,
no, same problem there. Sorry, I just saw I gave you GDB output for a private analysis, but the problem is exactly the same with an official one (just re-confirmed that with MC_GENERIC).

otool -L output of libRivet.dylib has not revealed obviously problematic dependencies. Anyway I think missing dylibs should not lead to a segfault but to a runtime linker/loader error, right?

Thanks,
Stefan


On 7 Mar 2016, at 16:04, Chris Pollard <cpollard at cern.ch<mailto:cpollard at cern.ch>> wrote:

Hi Stefan,

Are you able to run one of the analyses included with the rivet release---MC_GENERIC, for instance?

Chris

On Mon, Mar 7, 2016 at 1:03 PM, Stefan Richter <stefan.richter at cern.ch<mailto:stefan.richter at cern.ch>> wrote:
Dear Rivet authors,
can you help me with the below problem? Rivet segfaults when I’m trying to run analyses.

Thank you very much,
Stefan



If I don’t attach any analyses to the run, it works:

---------------------------
> rivet  ./original_run/original.hepmc
Rivet 2.4.0 running on machine pb-d-128-141-166-175.cern.ch<http://pb-d-128-141-166-175.cern.ch/> (x86_64) at 2016-03-07 13:54:48
Reading events from './original_run/original.hepmc'
Finished event loop at 2016-03-07 13:54:48
Cross-section = 6.087660e+00 pb

Rivet.Analysis.Handler: INFO  Finalising analyses
Rivet.Analysis.Handler: INFO  Processed 50 events

The MCnet usage guidelines apply to Rivet: see http://www.montecarlonet.org/GUIDELINES
Please acknowledge plots made with Rivet analyses, and cite arXiv:1003.0694 (http://arxiv.org/abs/1003.0694)

Rivet run completed at 2016-03-07 13:54:48, time elapsed = 0:00:00
---------------------------



With an analysis, it segfaults:

---------------------------
> rivet ./original_run/original.hepmc -a MC_ZZJETS
Rivet 2.4.0 running on machine pb-d-128-141-166-175.cern.ch<http://pb-d-128-141-166-175.cern.ch/> (x86_64) at 2016-03-07 13:57:57
Segmentation fault: 11
---------------------------



The DYLD_LIBRARY_PATH and PYTHONPATH seem to be fine, they include the relevant locations.



GDB output:

---------------------------
Rivet 2.4.0 running on machine pb-d-128-141-166-74.cern.ch<http://pb-d-128-141-166-74.cern.ch/> (x86_64) at 2016-03-03 20:14:54
Rivet.Analysis.Handler: WARN  Analysis 'MC_ZZJETS_CUSTOMIZED' is unvalidated: be careful, it may be broken!

Program received signal SIGSEGV, Segmentation fault.
0x00007fff8cdd4774 in __cxxabiv1::__si_class_type_info::has_unambiguous_public_base(__cxxabiv1::__dynamic_cast_info*, void*, int) const () from /usr/lib/libc++abi.dylib
(gdb) backtrace
#0  0x00007fff8cdd4774 in __cxxabiv1::__si_class_type_info::has_unambiguous_public_base(__cxxabiv1::__dynamic_cast_info*, void*, int) const () from /usr/lib/libc++abi.dylib
#1  0x000000010221e6f9 in __dynamic_cast () from /sw/lib/gcc5/lib/libstdc++.6.dylib
#2  0x0000000104619457 in Rivet::MC_ZZJETS_CUSTOMIZED::init() () from /Users/stefanrichter/Code/workspace/Rivet/analyses/RivetMC_ZZJETS_CUSTOMIZED.so
#3  0x00000001031c556a in Rivet::AnalysisHandler::init(HepMC::GenEvent const&) () from /Users/stefanrichter/Software/local/lib/libRivet.dylib
#4  0x00000001031850c9 in Rivet::Run::init(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, double) ()
   from /Users/stefanrichter/Software/local/lib/libRivet.dylib
#5  0x0000000102202060 in __pyx_pw_5rivet_4core_3Run_9init(_object*, _object*, _object*) () from /Users/stefanrichter/Software/local/lib/python2.7/site-packages/rivet/core.so
#6  0x00000001000b26af in PyEval_EvalFrameEx () from /sw/lib/python2.7/config/libpython2.7.dylib
#7  0x00000001000aac22 in PyEval_EvalCodeEx () from /sw/lib/python2.7/config/libpython2.7.dylib
#8  0x00000001000aa616 in PyEval_EvalCode () from /sw/lib/python2.7/config/libpython2.7.dylib
#9  0x00000001000d96c4 in PyRun_FileExFlags () from /sw/lib/python2.7/config/libpython2.7.dylib
#10 0x00000001000d9241 in PyRun_SimpleFileExFlags () from /sw/lib/python2.7/config/libpython2.7.dylib
#11 0x00000001000ecfb8 in Py_Main () from /sw/lib/python2.7/config/libpython2.7.dylib
#12 0x00007fff8e5605fd in start () from /usr/lib/system/libdyld.dylib
#13 0x00007fff8e5605fd in start () from /usr/lib/system/libdyld.dylib
#14 0x0000000000000000 in ?? ()
---------------------------

Looks like a problem in dynamic linking? Should I run 'otool -L' on the Rivet libraries?

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