#0  0xb4fadc6c in ubuntulooks_draw_arrow ()
   from /usr/lib/gtk-2.0/2.10.0/engines/libubuntulooks.so
#1  0xb7570611 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#2  0xbf8bdc28 in ?? ()
#3  0x0820ce48 in ?? ()
#4  0x00000000 in ?? ()