.
Thread 2 (process 6736):
#0  0x00007f041cdb5496 in poll () from /lib/libc.so.6
#1  0x00007f041bfcb77f in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f041bfcbdad in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#3  0x00007f041a1aa9f7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#4  0x00007f041a7fd772 in ?? ()
   from /var/lib/python-support/python2.6/gtk-2.0/gtk/_gtk.so
#5  0x00000000004a2d39 in PyEval_EvalFrameEx ()
#6  0x00000000004a4649 in PyEval_EvalCodeEx ()
#7  0x00000000004a4762 in PyEval_EvalCode ()
#8  0x00000000004c4c3c in PyRun_FileExFlags ()
#9  0x00000000004c4f6b in PyRun_SimpleFileExFlags ()
#10 0x00000000004189ce in Py_Main ()
#11 0x00007f041ccf75a6 in __libc_start_main () from /lib/libc.so.6
#12 0x0000000000417ae9 in _start ()
.
Thread 1 (process 6768):
#0  0x00007f041cd49726 in fseek () from /lib/libc.so.6
#1  0x00007f040bf0554e in mpc_reader_setup_file_reader ()
   from /usr/lib/libmpcdec.so.3
#2  0x00007f041cad03b8 in ffi_call_unix64 ()
   from /usr/lib/python2.6/lib-dynload/_ctypes.so
#3  0x00007f041cacfa6c in ffi_call ()
   from /usr/lib/python2.6/lib-dynload/_ctypes.so
#4  0x00007f041caca322 in _CallProc ()
   from /usr/lib/python2.6/lib-dynload/_ctypes.so
#5  0x00007f041cac1b19 in ?? () from /usr/lib/python2.6/lib-dynload/_ctypes.so
#6  0x000000000041d3bd in PyObject_Call ()
#7  0x00000000004a000f in PyEval_EvalFrameEx ()
#8  0x00000000004a3dae in PyEval_EvalFrameEx ()
#9  0x00000000004a4649 in PyEval_EvalCodeEx ()
#10 0x00000000004a2cb0 in PyEval_EvalFrameEx ()
#11 0x00000000004a3dae in PyEval_EvalFrameEx ()
#12 0x00000000004a3dae in PyEval_EvalFrameEx ()
#13 0x00000000004a3dae in PyEval_EvalFrameEx ()
#14 0x00000000004a4649 in PyEval_EvalCodeEx ()
#15 0x00000000005329ad in ?? ()
#16 0x000000000041d3bd in PyObject_Call ()
#17 0x0000000000424f48 in ?? ()
#18 0x000000000041d3bd in PyObject_Call ()
#19 0x000000000049cd46 in PyEval_CallObjectWithKeywords ()
#20 0x00000000004d3b3d in ?? ()
#21 0x00007f041d8f63ba in start_thread () from /lib/libpthread.so.0
#22 0x00007f041cdbefcd in clone () from /lib/libc.so.6
#23 0x0000000000000000 in ?? ()