GNU gdb (GDB) 7.0-ubuntu Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /usr/bin/python...(no debugging symbols found)...done. (gdb) run app.py Starting program: /usr/bin/python app.py [Thread debugging using libthread_db enabled] Program received signal SIGSEGV, Segmentation fault. 0x00007ffff697e240 in g_type_check_instance_cast () from /usr/lib/libgobject-2.0.so.0 (gdb) backtrace #0 0x00007ffff697e240 in g_type_check_instance_cast () from /usr/lib/libgobject-2.0.so.0 #1 0x00007fffed7b469c in ?? () from /usr/lib/libappindicator.so.0 #2 0x00007ffff69605ae in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #3 0x00007ffff6975983 in ?? () from /usr/lib/libgobject-2.0.so.0 #4 0x00007ffff6976d39 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #5 0x00007ffff6977283 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #6 0x00007fffed9b9b31 in ?? () from /usr/lib/python2.6/dist-packages/appindicator/_appindicator.so #7 0x00000000004a290d in PyEval_EvalFrameEx () #8 0x00000000004a40e0 in PyEval_EvalCodeEx () #9 0x000000000052be30 in ?? () #10 0x000000000041d6e7 in PyObject_Call () #11 0x000000000049c623 in PyEval_CallObjectWithKeywords () #12 0x00007ffff6b9c3eb in _pyglib_handler_marshal () from /usr/lib/libpyglib-2.0-python2.6.so.0 #13 0x00007ffff62bb2db in ?? () from /lib/libglib-2.0.so.0 #14 0x00007ffff62babce in g_main_context_dispatch () from /lib/libglib-2.0.so.0 #15 0x00007ffff62be598 in ?? () from /lib/libglib-2.0.so.0 #16 0x00007ffff62be9f5 in g_main_loop_run () from /lib/libglib-2.0.so.0 #17 0x00007ffff52cd177 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #18 0x00007ffff5934ec2 in ?? () from /usr/lib/pymodules/python2.6/gtk-2.0/gtk/_gtk.so #19 0x00000000004a291d in PyEval_EvalFrameEx () #20 0x00000000004a40e0 in PyEval_EvalCodeEx () #21 0x00000000004a41b2 in PyEval_EvalCode () #22 0x00000000004c33a0 in PyRun_FileExFlags () #23 0x00000000004c3564 in PyRun_SimpleFileExFlags () #24 0x0000000000418ab7 in Py_Main () #25 0x00007ffff6fd0abd in __libc_start_main () from /lib/libc.so.6 #26 0x0000000000417ca9 in _start () (gdb) quit A debugging session is active. Inferior 1 [process 9836] will be killed. Quit anyway? (y or n)