RooStats::HistFactory::GetHisto crash

Roofit and RooStats
1

Dear experts,

I get the following crash when I use hist2workspace to parse my xml file. However the information is completely useless. I want to precisely locate the crash point/histogram, is there an option to enhance the debug output ?

Thanks,
Jike

===========================================================
There was a crash.
This is the entire stack trace of all threads:

#0 0x00002adcb3df8115 in waitpid () from /lib64/libc.so.6
#1 0x00002adcb3d9a481 in do_system () from /lib64/libc.so.6
#2 0x00002adcad4f8296 in TUnixSystem::StackTrace() ()
from /afs/cern.ch/sw/lcg/app/releases/ROOT/5.30.00/x86_64-slc5-gcc43-opt/root/lib/libCore.so
#3 0x00002adcad4f7b6c in TUnixSystem::DispatchSignals(ESignals) ()
from /afs/cern.ch/sw/lcg/app/releases/ROOT/5.30.00/x86_64-slc5-gcc43-opt/root/lib/libCore.so
#4
#5 0x00002adcb2ad71b5 in RooStats::HistFactory::GetHisto(std::basic_string<char, std::char_traits, std::allocator >, std::basic_string<char, std::char_traits, std::allocator >, std::basic_string<char, std::char_traits, std::allocator >) ()
from /afs/cern.ch/sw/lcg/app/releases/ROOT/5.30.00/x86_64-slc5-gcc43-opt/root/lib/libHistFactory.so
#6 0x00002adcb2acc0d3 in RooStats::HistFactory::AddSystematic(RooStats::HistFactory::EstimateSummary&, TXMLNode*, std::basic_string<char, std::char_traits, std::allocator >, std::basic_string<char, std::char_traits, std::allocator >, std::basic_string<char, std::char_traits, std::allocator >) ()
from /afs/cern.ch/sw/lcg/app/releases/ROOT/5.30.00/x86_64-slc5-gcc43-opt/root/lib/libHistFactory.so
#7 0x00002adcb2ace5ed in RooStats::HistFactory::ReadXmlConfig(std::basic_string<char, std::char_traits, std::allocator >, std::vector<RooStats::HistFactory::EstimateSummary, std::allocatorRooStats::HistFactory::EstimateSummary >&, double) ()
from /afs/cern.ch/sw/lcg/app/releases/ROOT/5.30.00/x86_64-slc5-gcc43-opt/root/lib/libHistFactory.so
#8 0x00002adcb2b0e0bf in fastDriver(std::basic_string<char, std::char_traits, std::allocator >) ()
from /afs/cern.ch/sw/lcg/app/releases/ROOT/5.30.00/x86_64-slc5-gcc43-opt/root/lib/libHistFactory.so
#9 0x000000000040909e in main ()