ROOT 5.06 segfaults

From: Micha³ Dwu¿nik <michal.dwuznik_at_gmail.com>
Date: Sat, 19 Nov 2005 13:43:49 +0100

Hello Rooters,

running sucha a small macro:

{

	gSystem->Load("libGeom.so");
	if (gGeoManager) delete gGeoManager;
	gROOT->GetListOfCanvases()->Delete();
	//materials and media defs	
	TGeoManager *geometry = new TGeoManager("ID viewer","ID");
	Int_t idx=0; //index of main modules chain
	Int_t irot=0 ; // rot matrix index (0-8)
	
	TGeoMaterial *vac_mat = new  TGeoMaterial("Vacuum",0,0,0);
	TGeoMaterial *si_mat = new

TGeoMaterial("Silicon",geometry->GetElementTable()->FindElement("silicon"),2.3);         

	//si_mat->SetTransparency(30); //translucent silicon
	si_mat->SetTransparency(0); //opaque silicon
	
	TGeoMedium *vac = new TGeoMedium("Vacuum",1,vac_mat);
	TGeoMedium *si = new TGeoMedium("Silicon",1,si_mat);
	TGeoVolume *id_box =  geometry->MakeBox("TopBox",vac,600,600,3000);
	geometry->SetTopVolume(id_box);
	TGeoTranslation *trans = new TGeoTranslation(20,30,50);
	TGeoTranslation *corr = new TGeoTranslation(1,5,10);
	TGeoRotation *rot = new TGeoRotation();
	trans->SetTranslation(2,3,5);
	rot->SetAngles(0,90,0);
	TGeoCombiTrans *combi = new TGeoCombiTrans(*trans,*rot);

	TGeoVolume *testbox = geometry->MakeBox("test1",si,5,10,15);
	TGeoVolume *testbox2 = geometry->MakeBox("test2",si,5,10,15);
	testbox2->SetLineColor(2);
	id_box->AddNode(testbox,1);
	id_box->AddNode(testbox2,2,combi);
	//geometry->GetNode(2)->SetLineColor(1);
	//geometry->CloseGeometry();
	//id_box->Draw("ogl");

}

followed by :
gGeoManager->MakePhysicalNode("/TopBox_1/test1_1")

yields->

• Break *** segmentation violation Generating stack trace... 0xb5be94fb in TGeoManager::CdTop() + 0x45 from
  /home/mdwuznik/root/lib/libGeom.so
  0xb5beca1c in TGeoManager::cd(char const*) + 0x32 from
  /home/mdwuznik/root/lib/libGeom.so
  0xb5c1dc2f in TGeoPhysicalNode::SetPath(char const*) + 0x2b from
  /home/mdwuznik/root/lib/libGeom.so
  0xb5c1e041 in TGeoPhysicalNode::TGeoPhysicalNode(char const*) + 0xe1 from /home/mdwuznik/root/lib/libGeom.so 0xb5beaac2 in TGeoManager::MakePhysicalNode(char const*) + 0x32 from
  /home/mdwuznik/root/lib/libGeom.so
  0xb5c8a191 in <unknown> from /home/mdwuznik/root/lib/libGeom.so 0xb75ee6e3 in G__ExceptionWrapper + 0x45 from
  /home/mdwuznik/root/lib/libCint.so
  0xb768a238 in G__call_cppfunc + 0x2cc from /home/mdwuznik/root/lib/libCint.so 0xb76755a9 in G__interpret_func + 0x781 from /home/mdwuznik/root/lib/libCint.so 0xb766b0b3 in G__getfunction at v6_func.cxx:0 from
  /home/mdwuznik/root/lib/libCint.so
  0xb76f585a in G__getstructmem + 0x9da from /home/mdwuznik/root/lib/libCint.so 0xb76ed621 in G__getvariable at v6_var.cxx:0 from
  /home/mdwuznik/root/lib/libCint.so
  0xb764beb6 in G__getitem at v6_expr.cxx:0 from
  /home/mdwuznik/root/lib/libCint.so
  0xb7656962 in G__getexpr at v6_expr.cxx:0 from
  /home/mdwuznik/root/lib/libCint.so
  0xb76a40a2 in G__exec_function + 0xc6 from /home/mdwuznik/root/lib/libCint.so 0xb76a99bb in G__exec_statement at v6_parse.cxx:0 from
  /home/mdwuznik/root/lib/libCint.so
  0xb7639bfd in G__exec_tempfile_core + 0x2f9 from
  /home/mdwuznik/root/lib/libCint.so
  0xb7639dd7 in G__exec_tempfile_fp + 0x23 from
  /home/mdwuznik/root/lib/libCint.so
  0xb76b5240 in G__process_cmd + 0x4fda from /home/mdwuznik/root/lib/libCint.so 0xb79fbf16 in TCint::ProcessLine(char const*, TInterpreter::EErrorCode*) + 0x126 from
  /home/mdwuznik/root/lib/libCore.so
  0xb793ae01 in TApplication::ProcessLine(char const*, bool, int*) + 0x63f from /home/mdwuznik/root/lib/libCore.so 0xb6c342c9 in TRint::HandleTermInput() + 0x20d from
  /home/mdwuznik/root/lib/libRint.so
  0xb6c33a12 in TTermInputHandler::Notify() + 0x24 from
  /home/mdwuznik/root/lib/libRint.so
  0xb6c3553c in TTermInputHandler::ReadNotify() + 0x12 from
  /home/mdwuznik/root/lib/libRint.so
  0xb7a8f707 in TUnixSystem::CheckDescriptors() + 0x12d from
  /home/mdwuznik/root/lib/libCore.so
  0xb7a8fe32 in TUnixSystem::DispatchOneEvent(bool) + 0x142 from
  /home/mdwuznik/root/lib/libCore.so
  0xb79b3a54 in TSystem::InnerLoop() + 0x18 from
  /home/mdwuznik/root/lib/libCore.so
  0xb79b39fa in TSystem::Run() + 0x6e from /home/mdwuznik/root/lib/libCore.so 0xb793a1c3 in TApplication::Run(bool) + 0x37 from
  /home/mdwuznik/root/lib/libCore.so
  0xb6c3475f in TRint::Run(bool) + 0x37b from /home/mdwuznik/root/lib/libRint.so 0x08048e30 in main + 0x68 from /home/mdwuznik/root/bin/root.exe 0xb69d4ea2 in __libc_start_main + 0xd2 from /lib/tls/i686/cmov/libc.so.6 0x08048d31 in TApplicationImp::ShowMembers(TMemberInspector&, char*) + 0x31 from /home/mdwuznik/root/bin/root.exe .

If one closes the geometry before adding a physical node adding a physical node is succesful, but trying to add a physical node with incorrect path followed by listing of physical node results in roughly the same error.

Shall it happen ?

Regards
Michal Dwuznik Received on Sat Nov 19 2005 - 13:44:01 MET