(gdb) run
Starting program: /usr/bin/transmission-gtk
warning: Could not load shared library symbols for linux-gate.so.1.
Do you need "set solib-search-path" or "set sysroot"?
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/libgobject-2.0.so.0.3400.1-gdb.py", line 9, in <module>
    from gobject import register
  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
    import gdb.backtrace
ImportError: No module named backtrace
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0xb5609b40 (LWP 11182)]
[New Thread 0xb4e08b40 (LWP 11183)]
[New Thread 0xb4607b40 (LWP 11184)]
[New Thread 0xb3e06b40 (LWP 11185)]
[New Thread 0xb3605b40 (LWP 11190)]
[New Thread 0xb207bb40 (LWP 11193)]
[Thread 0xb207bb40 (LWP 11193) exited]
Program received signal SIGSEGV, Segmentation fault.
0xb7d0a4d8 in gtk_style_context_get_valist () from /usr/lib/libgtk-3.so.0

(gdb) bt full
#0  0xb7d0a4d8 in gtk_style_context_get_valist () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#1  0xb7d5aded in gtk_theming_engine_get () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#2  0xb2dd611e in _gtk_rounded_box_apply_border_radius ()
   from /usr/lib/gtk-3.0/3.0.0/theming-engines/libunico.so
No symbol table info available.
#3  0xb2dd764e in ?? () from /usr/lib/gtk-3.0/3.0.0/theming-engines/libunico.so
No symbol table info available.
#4  0xb2dd8fa8 in ?? () from /usr/lib/gtk-3.0/3.0.0/theming-engines/libunico.so
No symbol table info available.
#5  0xb2ddb474 in ?? () from /usr/lib/gtk-3.0/3.0.0/theming-engines/libunico.so
No symbol table info available.
#6  0xb2ddfc0e in ?? () from /usr/lib/gtk-3.0/3.0.0/theming-engines/libunico.so
No symbol table info available.
#7  0xb7d0c094 in gtk_render_background () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#8  0xb7d63574 in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#9  0xb7c72340 in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#10 0xb7dbd3c0 in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#11 0xb78491c7 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.