INFO
System:   Scientific Linux 5.1
Compiler: gcc/g++ (GCC) 4.1.2 20080704
ROOT:     ROOT 5.27/07 trunk@36261

===========================================================


 *** Break *** segmentation violation



===========================================================
There was a crash (#7 0x00d6569d in SigHandler () from /apps/cern/root/lib/libCore.so).
This is the entire stack trace of all threads:
===========================================================
#0  0x004b4410 in __kernel_vsyscall ()
#1  0x03f8c353 in __waitpid_nocancel () from /lib/libc.so.6
#2  0x03f33bbf in do_system () from /lib/libc.so.6
#3  0x062031ad in system () from /lib/libpthread.so.0
#4  0x00d60e1d in TUnixSystem::Exec () from /apps/cern/root/lib/libCore.so
#5  0x00d6805d in TUnixSystem::StackTrace ()
   from /apps/cern/root/lib/libCore.so
#6  0x00d655ce in TUnixSystem::DispatchSignals ()
   from /apps/cern/root/lib/libCore.so
#7  0x00d6569d in SigHandler () from /apps/cern/root/lib/libCore.so
#8  0x00d5e6c4 in sighandler () from /apps/cern/root/lib/libCore.so
#9  <signal handler called>
#10 0x08914070 in ?? ()
#11 0x003ed6fb in TCanvas::EnterLeave () from /apps/cern/root/lib/libGpad.so
#12 0x003f1ed7 in TCanvas::HandleInput () from /apps/cern/root/lib/libGpad.so
#13 0x01522c04 in TRootCanvas::HandleContainerMotion ()
   from /apps/cern/root/lib/libGui.so
#14 0x0152a0aa in TRootContainer::HandleMotion ()
   from /apps/cern/root/lib/libGui.so
#15 0x014525be in TGFrame::HandleEvent () from /apps/cern/root/lib/libGui.so
#16 0x0141633d in TGClient::HandleEvent () from /apps/cern/root/lib/libGui.so
#17 0x0141668e in TGClient::ProcessOneEvent ()
   from /apps/cern/root/lib/libGui.so
#18 0x014166fd in TGClient::HandleInput () from /apps/cern/root/lib/libGui.so
#19 0x01416730 in TGInputHandler::Notify () from /apps/cern/root/lib/libGui.so
#20 0x00d64edd in TUnixSystem::DispatchOneEvent ()
   from /apps/cern/root/lib/libCore.so
#21 0x00cd56b1 in TSystem::InnerLoop () from /apps/cern/root/lib/libCore.so
#22 0x00cd9381 in TSystem::Run () from /apps/cern/root/lib/libCore.so
#23 0x00c73308 in TApplication::Run () from /apps/cern/root/lib/libCore.so
#24 0x08051de9 in main (argc=0, argv=0x1c35) at eventHandlerTest.cpp:52
===========================================================


The lines below might hint at the cause of the crash.
If they do not help you then please submit a bug report at
http://root.cern.ch/bugs. Please post the ENTIRE stack trace
from above as an attachment in addition to anything else
that might help us fixing this issue.
===========================================================
#10 0x08914070 in ?? ()
#11 0x003ed6fb in TCanvas::EnterLeave () from /apps/cern/root/lib/libGpad.so
#12 0x003f1ed7 in TCanvas::HandleInput () from /apps/cern/root/lib/libGpad.so
#13 0x01522c04 in TRootCanvas::HandleContainerMotion ()
   from /apps/cern/root/lib/libGui.so
#14 0x0152a0aa in TRootContainer::HandleMotion ()
   from /apps/cern/root/lib/libGui.so
#15 0x014525be in TGFrame::HandleEvent () from /apps/cern/root/lib/libGui.so
#16 0x0141633d in TGClient::HandleEvent () from /apps/cern/root/lib/libGui.so
#17 0x0141668e in TGClient::ProcessOneEvent ()
   from /apps/cern/root/lib/libGui.so
#18 0x014166fd in TGClient::HandleInput () from /apps/cern/root/lib/libGui.so
#19 0x01416730 in TGInputHandler::Notify () from /apps/cern/root/lib/libGui.so
#20 0x00d64edd in TUnixSystem::DispatchOneEvent ()
   from /apps/cern/root/lib/libCore.so
#21 0x00cd56b1 in TSystem::InnerLoop () from /apps/cern/root/lib/libCore.so
#22 0x00cd9381 in TSystem::Run () from /apps/cern/root/lib/libCore.so
#23 0x00c73308 in TApplication::Run () from /apps/cern/root/lib/libCore.so
#24 0x08051de9 in main (argc=0, argv=0x1c35) at eventHandlerTest.cpp:52
===========================================================
