Hi, I've installed (*) root + vmc + geant3 from CVS head (as of yesterday), and I started with the geant4_vmc/examples. First, to get the libgeant321.so working, I had to implement the (empty) G3Volume::Copy(), otherwise the lib would not load because of this missing symbol. Then, E01/E02/E03 are working fine as they are. But I'd like to use the TGeoManager interface (because I suspect this is the one which will be used in the future, e.g. to get Fluka in the game, is that right ?). So I recompiled geant3 using -DWITHROOT. And then E01 is failing : *** Break *** segmentation violation Generating stack trace... 0x0117fa92 in TGeoManager::FindNode(double, double, double) + 0xaa from /opt/cern/root/dev/lib/libGeom.so 0x402738f4 in gmedia_ at /opt/cern/root/dev/include/TGeoManager.h:349 from /opt/cern/root/cvs/geant3/lib/tgt_linux/libgeant321.so 0x40163ccf in g3ltrac_ at gtrak/gltrac.F:196 from /opt/cern/root/cvs/geant3/lib/tgt_linux/libgeant321.so 0x401778a5 in gtreveroot_ at gtrak/gtreveroot.F:169 from /opt/cern/root/cvs/geant3/lib/tgt_linux/libgeant321.so 0x40275afa in gutrev_ at TGeant3/TGeant3gu.cxx:558 from /opt/cern/root/cvs/geant3/lib/tgt_linux/libgeant321.so 0x40256d4f in jumpt0_ at minicern/jumptn.c:79 from /opt/cern/root/cvs/geant3/lib/tgt_linux/libgeant321.so 0x4007efa1 in g3trig_ at gbase/gtrig.F:62 from /opt/cern/root/cvs/geant3/lib/tgt_linux/libgeant321.so 0x4026edc2 in TGeant3::Gtrig() at TGeant3/TGeant3.cxx:2713 from /opt/cern/root/cvs/geant3/lib/tgt_linux/libgeant321.so 0x402732d5 in TGeant3::ProcessEvent() at TGeant3/TGeant3.cxx:5739 from /opt/cern/root/cvs/geant3/lib/tgt_linux/libgeant321.so 0x40273236 in TGeant3::ProcessRun(int) at TGeant3/TGeant3.cxx:5718 from /opt/cern/root/cvs/geant3/lib/tgt_linux/libgeant321.so 0x01e5bf46 in Ex01MCApplication::RunMC(int) + 0x28 from /opt/cern/root/cvs/geant4_vmc/lib/tgt_Linux/libexample01.so 0x01e60b43 in <unknown> from /opt/cern/root/cvs/geant4_vmc/lib/tgt_Linux/libexample01.so Is this expected (e.g. the TGeo/vmc is not supposed to work yet) or not ? Thanks for your help, (*) My system is a Fedora Core 1 one : uname -a : Linux xxxx 2.4.22-1.2174.nptl #1 Wed Feb 18 16:38:32 EST 2004 i686 i686 i386 GNU/Linux root-config --version : 4.00/07 gcc --version : gcc (GCC) 3.3.2 20031022 (Red Hat Linux 3.3.2-1) -- Dr. Laurent APHECETCHE (mailto:aphecetc@in2p3.fr) (IN2P3-CNRS) SUBATECH-EMN-4 rue Alfred Kastler-BP 20722-44307 NANTES cedex 03 TEL (+33/0) 2 51 85 84 17 - FAX (+33/0) 2 51 85 84 24 (France) Collaboration PHENIX http://www.phenix.bnl.gov/~aphecetc
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