Thanks. I had obtained the same in a slightly different way (I didn't know of --args so I typed run test.py) and still it is obscure to me.
I get a very long output but none of the lines sounds relevant to me.

Here is what I get:
<pre>
#0  __cxxabiv1::__cxa_throw (obj=0x2aaaf3b22480, tinfo=0x2aaac2194ad0 <typeinfo for edm::eventsetup::NoProxyException<GEMGeometry>>,
    dest=0x2aaac218f7b0 <edm::eventsetup::NoProxyException<GEMGeometry>::~NoProxyException()>) at ../../../../libstdc++-v3/libsupc++/eh_throw.cc:71
#1  0x00002aaac218df73 in GlobalTrackingGeometryESProducer::produce(GlobalTrackingGeometryRecord const&) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/pluginGeometryGlobalTrackingGeometryBuilderPlugin.so
#2  0x00002aaac218fd99 in edm::eventsetup::CallbackProxy<edm::eventsetup::Callback<GlobalTrackingGeometryESProducer, boost::shared_ptr<GlobalTrackingGeometry>, GlobalTrackingGeometryRecord, edm::eventsetup::CallbackSimpleDecorator<GlobalTrackingGeometryRecord> >, GlobalTrackingGeometryRecord, boost::shared_ptr<GlobalTrackingGeometry> >::getImpl(edm::eventsetup::EventSetupRecord const&, edm::eventsetup::DataKey const&) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/pluginGeometryGlobalTrackingGeometryBuilderPlugin.so
#3  0x00002aaaaaf7d6f2 in edm::eventsetup::DataProxy::get(edm::eventsetup::EventSetupRecord const&, edm::eventsetup::DataKey const&, bool) const ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#4  0x00002aaaaafd1d21 in edm::eventsetup::EventSetupRecord::getFromProxy(edm::eventsetup::DataKey const&, edm::eventsetup::ComponentDescription const*&, bool) const
    () from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#5  0x00002aaac250efeb in MuonServiceProxy::update(edm::EventSetup const&) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libRecoMuonTrackingTools.so
#6  0x00002aaad8ab2a57 in MuonSimHitProducer::beginRun(edm::Run const&, edm::EventSetup const&) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/pluginFastSimulationMuonSimHitProducer.so
#7  0x00002aaaaaf85a79 in edm::EDProducer::doBeginRun(edm::RunPrincipal&, edm::EventSetup const&, edm::ModuleCallingContext const*) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#8  0x00002aaaab0593f0 in edm::WorkerT<edm::EDProducer>::implDoBegin(edm::RunPrincipal&, edm::EventSetup const&, edm::ModuleCallingContext const*) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#9  0x00002aaaaaface88 in decltype ({parm#1}()) edm::convertException::wrap<bool edm::Worker::doWork<edm::OccurrenceTraits<edm::RunPrincipal, (edm::BranchActionType)0> >(edm::OccurrenceTraits<edm::RunPrincipal, (edm::BranchActionType)0>::MyPrincipal&, edm::EventSetup const&, edm::CPUTimer*, edm::StreamID, edm::ParentContext const&, edm::OccurrenceTraits<edm::RunPrincipal, (edm::BranchActionType)0>::Context const*)::{lambda()#1}>(bool edm::Worker::doWork<edm::OccurrenceTraits<edm::RunPrincipal, (edm::BranchActionType)0> >(edm::OccurrenceTraits<edm::RunPrincipal, (edm::BranchActionType)0>::MyPrincipal&, edm::EventSetup const&, edm::CPUTimer*, edm::StreamID, edm::ParentContext const&, edm::OccurrenceTraits<edm::RunPrincipal, (edm::BranchActionType)0>::Context const*)::{lambda()#1}) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#10 0x00002aaaaafad133 in bool edm::Worker::doWork<edm::OccurrenceTraits<edm::RunPrincipal, (edm::BranchActionType)0> >(edm::OccurrenceTraits<edm::RunPrincipal, (edm::BranchActionType)0>::MyPrincipal&, edm::EventSetup const&, edm::CPUTimer*, edm::StreamID, edm::ParentContext const&, edm::OccurrenceTraits<edm::RunPrincipal, (edm::BranchActionType)0>::Context const*) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#11 0x00002aaaaafad2e8 in void edm::GlobalSchedule::runNow<edm::OccurrenceTraits<edm::RunPrincipal, (edm::BranchActionType)0> >(edm::OccurrenceTraits<edm::RunPrincipal,
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so

#14 0x00002aaaaafa549c in edm::EventProcessor::beginRun(statemachine::Run const&) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#15 0x00002aaaaaf86566 in statemachine::HandleRuns::beginRun(statemachine::Run const&) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#16 0x00002aaaaaf86608 in statemachine::HandleRuns::setupCurrentRun() ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#17 0x00002aaaaaf894d5 in statemachine::NewRun::NewRun(boost::statechart::state<statemachine::NewRun, statemachine::HandleRuns, boost::mpl::list<mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na>, (boost::statechart::history_mode)0>::my_context) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#18 0x00002aaaaaf8e80e in boost::statechart::state<statemachine::NewRun, statemachine::HandleRuns, boost::mpl::list<mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na>, (boost::statechart::history_mode)0>::shallow_construct(boost::intrusive_ptr<statemachine::HandleRuns> const&, boost::statechart::state_machine<statemachine::Machine, statemachine::Starting, std::allocator<void>, boost::statechart::null_exception_translator>&) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#19 0x00002aaaaaf910c3 in boost::statechart::state<statemachine::HandleRuns, statemachine::HandleFiles, statemachine::NewRun, (boost::statechart::history_mode)0>::deep_construct(boost::intrusive_ptr<statemachine::HandleFiles> const&, boost::statechart::state_machine<statemachine::Machine, statemachine::Starting, std::allocator<void>, boost::statechart::null_exception_translator>&) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#20 0x00002aaaaaf911fa in boost::statechart::simple_state<statemachine::FirstFile, statemachine::HandleFiles, boost::mpl::list<mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na>, (boost::statechart::history_mode)0>::react_impl(boost::statechart::event_base const&, void const*) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#21 0x00002aaaaafac7da in boost::statechart::state_machine<statemachine::Machine, statemachine::Starting, std::allocator<void>, boost::statechart::null_exception_translator>::process_event(boost::statechart::event_base const&) ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#22 0x00002aaaaafa4890 in edm::EventProcessor::runToCompletion() ()
   from /afs/cern.ch/cms/sw/ReleaseCandidates/vol1/slc5_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2014-03-27-0200/lib/slc5_amd64_gcc481/libFWCoreFramework.so
#23 0x000000000040bdcb in main::{lambda()#1}::operator()() const ()
#24 0x000000000040a2ff in main ()
</pre>