thread 1 (process 8466): #0 0x00007fff87ce7c90 in wait4 () #1 0x00007fff87cfc23e in system () #2 0x0000000100111538 in TUnixSystem::StackTrace () #3 0x000000010010eeba in TUnixSystem::DispatchSignals () #4 #5 0x0000000104c2146c in TMVA::PDEFoam::GetCellElement () #6 0x0000000104c21dc8 in TMVA::PDEFoam::Explore () #7 0x0000000104c23160 in TMVA::PDEFoam::InitCells () #8 0x0000000104c2357c in TMVA::PDEFoam::Create () #9 0x0000000104bf7380 in TMVA::MethodPDEFoam::TrainUnifiedClassification () #10 0x0000000104bf9d38 in TMVA::MethodPDEFoam::Train () #11 0x0000000104b9c2a9 in TMVA::MethodBase::TrainMethod () #12 0x0000000104b67016 in TMVA::Factory::TrainAllMethods () #13 0x0000000104cebaab in G__G__TMVA1_359_0_49 () #14 0x000000010090efc6 in Cint::G__ExceptionWrapper () #15 0x00000001009cba8c in G__execute_call () #16 0x00000001009cc82b in G__call_cppfunc () #17 0x00000001009a728c in G__interpret_func () #18 0x000000010098ff31 in G__getfunction () #19 0x0000000100a86b70 in G__getstructmem () #20 0x0000000100a7d32f in G__getvariable () #21 0x0000000100963ab9 in G__getitem () #22 0x00000001009688c7 in G__getexpr () #23 0x00000001009fabaa in G__exec_statement () #24 0x00000001009a8a85 in G__interpret_func () #25 0x00000001009900d3 in G__getfunction () #26 0x00000001009641ba in G__getitem () #27 0x00000001009688c7 in G__getexpr () #28 0x0000000100975edd in G__calc_internal () #29 0x0000000100a06767 in G__process_cmd () #30 0x0000000100100233 in TCint::ProcessLine () #31 0x00000001000ffeb3 in TCint::ProcessLineSynch () #32 0x0000000100066a82 in TApplication::ExecuteFile () #33 0x000000010006495b in TApplication::ProcessLine () #34 0x00000001012bcd4f in TRint::HandleTermInput () #35 0x00000001012bb2c7 in TTermInputHandler::Notify () #36 0x00000001012bd24d in TTermInputHandler::ReadNotify () #37 0x000000010010eb82 in TUnixSystem::CheckDescriptors () #38 0x000000010010f085 in TUnixSystem::DispatchOneEvent () #39 0x00000001000a095d in TSystem::InnerLoop () #40 0x00000001000a2cc3 in TSystem::Run () #41 0x00000001000630a7 in TApplication::Run () #42 0x00000001012bbf2b in TRint::Run () #43 0x00000001000019a0 in main () ===========================================================