dch:: writing tree....

 *** Break *** segmentation violation
(no debugging symbols found)
Using host libthread_db library "/lib/tls/libthread_db.so.1".
Attaching to program: /proc/27673/exe, process 27673
(no debugging symbols found)...done.
(no debugging symbols found)...done.
(no debugging symbols found)...done.
(no debugging symbols found)...done.
(no debugging symbols found)...done.
(no debugging symbols found)...done.
(no debugging symbols found)...done.
(no debugging symbols found)...done.
[Thread debugging using libthread_db enabled]
[New Thread -1208179008 (LWP 27673)]
(no debugging symbols found)...done.
(no debugging symbols found)...done.

0x00a1c7a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
#1  0x055ead23 in __waitpid_nocancel () from /lib/tls/libc.so.6
#2  0x055947a9 in do_system () from /lib/tls/libc.so.6
#3  0x04a6798d in system () from /lib/tls/libpthread.so.0
#4  0x002d49ef in TUnixSystem::Exec () from /home/csctf/root/lib/libCore.so
#5  0x002da3fd in TUnixSystem::StackTrace ()
   from /home/csctf/root/lib/libCore.so
#6  0x002d70ba in TUnixSystem::DispatchSignals ()
   from /home/csctf/root/lib/libCore.so
#7  0x002d7148 in SigHandler () from /home/csctf/root/lib/libCore.so
#8  0x002d6395 in sighandler () from /home/csctf/root/lib/libCore.so
#9  <signal handler called>
#10 0x058b7aee in TBasket::Streamer () from /home/csctf/root/lib/libTree.so
#11 0x002b3b34 in TClass::Streamer () from /home/csctf/root/lib/libCore.so
#12 0x00777528 in TBufferFile::WriteObject ()
   from /home/csctf/root/lib/libRIO.so
#13 0x00777656 in TBufferFile::WriteObjectAny ()
   from /home/csctf/root/lib/libRIO.so
#14 0x0029e7e7 in TObjArray::Streamer () from /home/csctf/root/lib/libCore.so
#15 0x002b3b34 in TClass::Streamer () from /home/csctf/root/lib/libCore.so
#16 0x00776cf1 in TBufferFile::WriteFastArray ()
   from /home/csctf/root/lib/libRIO.so
#17 0x007f0e58 in TStreamerInfo::WriteBufferAux<char**> ()
   from /home/csctf/root/lib/libRIO.so
#18 0x0077918a in TBufferFile::WriteClassBuffer ()
   from /home/csctf/root/lib/libRIO.so
#19 0x058c3850 in TBranch::Streamer () from /home/csctf/root/lib/libTree.so
#20 0x002b3b34 in TClass::Streamer () from /home/csctf/root/lib/libCore.so
#21 0x00777528 in TBufferFile::WriteObject ()
   from /home/csctf/root/lib/libRIO.so
#22 0x00777656 in TBufferFile::WriteObjectAny ()
   from /home/csctf/root/lib/libRIO.so
#23 0x0029e7e7 in TObjArray::Streamer () from /home/csctf/root/lib/libCore.so
#24 0x002b3b34 in TClass::Streamer () from /home/csctf/root/lib/libCore.so
#25 0x00776cf1 in TBufferFile::WriteFastArray ()
   from /home/csctf/root/lib/libRIO.so
#26 0x007f0e58 in TStreamerInfo::WriteBufferAux<char**> ()
   from /home/csctf/root/lib/libRIO.so
#27 0x0077918a in TBufferFile::WriteClassBuffer ()
   from /home/csctf/root/lib/libRIO.so
#28 0x05908bcd in TTree::Streamer () from /home/csctf/root/lib/libTree.so
#29 0x007a41e4 in TKey::TKey () from /home/csctf/root/lib/libRIO.so
#30 0x0078bdb9 in TFile::CreateKey () from /home/csctf/root/lib/libRIO.so
#31 0x00781f91 in TDirectoryFile::WriteTObject ()
   from /home/csctf/root/lib/libRIO.so
#32 0x0023a188 in TObject::Write () from /home/csctf/root/lib/libCore.so
#33 0x0023a003 in TObject::Write () from /home/csctf/root/lib/libCore.so
#34 0x080589fe in rootTree::~rootTree ()
#35 0x0805f679 in readData::~readData ()
#36 0x0806004a in main ()