Hi Lee, You should start from the CVS version, not from the tar file of 3.05/03 Rene Brun "LEE, KERRY T. (JSC-SR) (UHCL)" wrote: > > Philippe, > > thanks for the quick reply. > > This work around > f.LoadTree(0); > works if I only have one file in the TChain, > > root [0] gSystem.Load("/home/kerrylee/marie/code/object/data/time.sl"); > root [1] gSystem.Load("/home/kerrylee/marie/code/object/data/data.sl"); > root [2] TChain f("DataTree") > root [3] f.Add("/home/kerrylee/marie/data/rootfiles/2003_03.root") > (Int_t)1 > root [4] f.LoadTree(0) > (Int_t)0 > root [5] f.StartViewer() > > but when I add the second I get a segv. > > root [6] f.Add("/home/kerrylee/marie/data/rootfiles/2003_04.root"); > root [7] f.StartViewer(); > tv__tree = (TTree *) gROOT->FindObject("DataTree"); > tv__tree_list->Add(tv__tree); > > *** Break *** segmentation violation > Generating stack trace... > > Before the workaround I got a segv no matter if I had one file or two added > to the TChain. > Is this just because the work around only fixes the TreeViewer for a single > file? Does the CVS version have the fix for multiple files? > > Thanks > Kerry > > -----Original Message----- > From: Philippe Canal > To: LEE, KERRY T. (JSC-SR) (UHCL); roottalk@pcroot.cern.ch > Sent: 4/8/2003 3:39 PM > Subject: RE: [ROOT] TChain and StartViewer > > Hi Kerry, > > Thanks for reporting this problem. It is fixed in the CVS repository > (and > hence in the next release). > > A work around is to call: > f.LoadTree(0); > after adding the first file but before calling StartViewer. > > Cheers, > Philippe. > > -----Original Message----- > From: owner-roottalk@pcroot.cern.ch > [mailto:owner-roottalk@pcroot.cern.ch]On Behalf Of LEE, KERRY T. > (JSC-SR) (UHCL) > Sent: Tuesday, April 08, 2003 3:04 PM > To: 'roottalk@pcroot.cern.ch' > Subject: [ROOT] TChain and StartViewer > > Hi, > > I am using ROOT 3.05.03 on RH7.1 compiled from source. > > In this new version I get a segv when I do the following > > root [0] > gSystem.Load("/home/kerrylee/marie/code/object/data/time.sl"); > root [1] > gSystem.Load("/home/kerrylee/marie/code/object/data/data.sl"); > root [2] TChain f("DataTree") > root [3] f.Add("/home/kerrylee/marie/data/rootfiles/2003_03.root") > (Int_t)1 > root [4] f.Add("/home/kerrylee/marie/data/rootfiles/2003_04.root") > (Int_t)1 > root [5] f.StartViewer() > tv__tree = (TTree *) gROOT->FindObject("DataTree"); > tv__tree_list->Add(tv__tree); > > *** Break *** segmentation violation > Generating stack trace... > 0x401bcbbf in TUnixSystem::StackTrace(void) + 0x25b from > /home/products/root/3.05.03/root/lib/libCore.so > 0x401bb712 in TUnixSystem::DispatchSignals(ESignals) + 0xb2 from > /home/products/root/3.05.03/root/lib/libCore.so > 0x401ba8bb in TWebFile::GetSize(void) const + 0x9b from > /home/products/root/3.05.03/root/lib/libCore.so > 0x401be491 in TUnixSystem::GetSockOpt(int, int, int *) + 0x339 from > /home/products/root/3.05.03/root/lib/libCore.so > 0x40ca0935 in sigaction at > /usr/src/bs/BUILD/glibc-2.2.2/linuxthreads/signals.c:97 from > /lib/i686/libpthread.so.0 > 0x40d40648 in killpg at > /usr/src/bs/BUILD/glibc-2.2.2/signal/../sysdeps/posix/killpg.c:34 from > /lib/i686/libc.so.6 > 0x41494e13 in TTreePlayer::UpdateFormulaLeaves(void) + 0x1f from > /home/products/root/3.05.03/root/lib/libTreePlayer.so > 0x40b42caa in TChain::LoadTree(int) + 0x89e from > /home/products/root/3.05.03/root/lib/libTree.so > 0x40b4214e in TChain::GetListOfBranches(void) + 0x22 from > /home/products/root/3.05.03/root/lib/libTree.so > 0x414d9b33 in TTreeViewer::MapTree(TTree *, TGListTreeItem *, bool) + > 0x2f > from /home/products/root/3.05.03/root/lib/libTreeViewer.so > 0x414d0397 in TTreeViewer::SetTreeName(char const *) + 0x393 from > /home/products/root/3.05.03/root/lib/libTreeViewer.so > 0x414cfe06 in TTreeViewer::TTreeViewer(TTree const *) + 0x18a from > /home/products/root/3.05.03/root/lib/libTreeViewer.so > 0x414e4fde in G__cpp_dllrevG__TreeViewer + 0x3aa from > /home/products/root/3.05.03/root/lib/libTreeViewer.so > 0x405fedff in G__CallFunc::ExecInt(void *) + 0x6f from > /home/products/root/3.05.03/root/lib/libCint.so > 0x40186252 in TMethodCall::Execute(void *, long &) + 0x6a from > /home/products/root/3.05.03/root/lib/libCore.so > 0x40133820 in TPluginHandler::ExecPlugin(int,...) + 0x420 from > /home/products/root/3.05.03/root/lib/libCore.so > 0x414942ef in TTreePlayer::StartViewer(int, int) + 0x8f from > /home/products/root/3.05.03/root/lib/libTreePlayer.so > 0x40b55be7 in TTree::StartViewer(void) + 0x4b from > /home/products/root/3.05.03/root/lib/libTree.so > 0x40b6e6d1 in G__cpp_dllrevG__Tree + 0x7ef5 from > /home/products/root/3.05.03/root/lib/libTree.so > 0x40588351 in G__call_cppfunc + 0x281 from > /home/products/root/3.05.03/root/lib/libCint.so > 0x405778b1 in G__interpret_func + 0x895 from > /home/products/root/3.05.03/root/lib/libCint.so > 0x4055d6c5 in G__getfunction + 0x1449 from > /home/products/root/3.05.03/root/lib/libCint.so > 0x405ec2ab in G__getstructmem + 0x7c3 from > /home/products/root/3.05.03/root/lib/libCint.so > 0x405e5076 in G__getvariable + 0x642 from > /home/products/root/3.05.03/root/lib/libCint.so > 0x40555535 in G__getitem + 0x4dd from > /home/products/root/3.05.03/root/lib/libCint.so > 0x40553ce9 in G__getexpr + 0x8d91 from > /home/products/root/3.05.03/root/lib/libCint.so > 0x4059f56b in G__exec_function + 0x123 from > /home/products/root/3.05.03/root/lib/libCint.so > 0x405a6c54 in G__exec_statement + 0x2efc from > /home/products/root/3.05.03/root/lib/libCint.so > 0x4053b40b in G__exec_tempfile_core + 0x2f3 from > /home/products/root/3.05.03/root/lib/libCint.so > 0x4053b5ba in G__exec_tempfile_fp + 0x22 from > /home/products/root/3.05.03/root/lib/libCint.so > 0x405af52b in G__process_cmd + 0x4f03 from > /home/products/root/3.05.03/root/lib/libCint.so > 0x4017652a in TCint::ProcessLine(char const *, TInterpreter::EErrorCode > *) > + 0x9a from /home/products/root/3.05.03/root/lib/libCore.so > 0x40108ab7 in TApplication::ProcessLine(char const *, bool, int *) + > 0x56b > from /home/products/root/3.05.03/root/lib/libCore.so > 0x40c66467 in TRint::HandleTermInput(void) + 0x127 from > /home/products/root/3.05.03/root/lib/libRint.so > 0x40c65790 in TTermInputHandler::Notify(void) + 0x28 from > /home/products/root/3.05.03/root/lib/libRint.so > 0x40c758a3 in TTermInputHandler::ReadNotify(void) at > /usr/src/bs/BUILD/glibc-2.2.2/stdlib/atexit.c:33 from > /home/products/root/3.05.03/root/lib/libRint.so > 0x401bbb07 in TUnixSystem::CheckDescriptors(void) + 0x113 from > /home/products/root/3.05.03/root/lib/libCore.so > 0x401bb21a in TUnixSystem::DispatchOneEvent(bool) + 0x112 from > /home/products/root/3.05.03/root/lib/libCore.so > 0x4014eaad in TSystem::InnerLoop(void) + 0x1d from > /home/products/root/3.05.03/root/lib/libCore.so > 0x4014ea42 in TSystem::Run(void) + 0x7e from > /home/products/root/3.05.03/root/lib/libCore.so > 0x40109649 in TApplication::Run(bool) + 0x31 from > /home/products/root/3.05.03/root/lib/libCore.so > 0x40c65fa6 in TRint::Run(bool) + 0x2ba from > /home/products/root/3.05.03/root/lib/libRint.so > 0x08048802 in main + 0x52 from > /home/products/root/3.05.03/root/bin/root.exe > 0x40d2f177 in __libc_start_main at > /usr/src/bs/BUILD/glibc-2.2.2/csu/../sysdeps/generic/libc-start.c:129 > from > /lib/i686/libc.so.6 > 0x080486d1 in _start + 0x21 from > /home/products/root/3.05.03/root/bin/root.exe > Root > > > I rebuilt the dictionaries for my class object contained in a > superbranch of > DataTree. This same script has worked with previous versions. > > Thanks > Kerry Lee
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