#0  0x00002afe6c30ebb1 in gdk_draw_pixbuf () from /usr/lib/libgdk-x11-2.0.so.0
#1  0x00002afe6ae79347 in ?? () from /usr/lib/libgksu2.so.0
#2  0x00002afe6ebf9a14 in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#3  0x00002afe6ebfc85d in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00002afe6ebfcb6a in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#5  0x00002afe6be21d5a in gtk_dialog_run () from /usr/lib/libgtk-x11-2.0.so.0
#6  0x00002afe6ae796e1 in report_failed_grab () from /usr/lib/libgksu2.so.0
#7  0x00002afe6ae7997d in grab_keyboard_and_mouse ()
   from /usr/lib/libgksu2.so.0
#8  0x00002afe6ae79dc2 in ?? () from /usr/lib/libgksu2.so.0
#9  0x00002afe6ae77013 in gksu_sudo_full () from /usr/lib/libgksu2.so.0
#10 0x0000000000404401 in ?? ()
#11 0x00002afe6f2a78e4 in __libc_start_main () from /lib/libc.so.6
#12 0x0000000000403039 in ?? ()
#13 0x00007fff3fe57528 in ?? ()
#14 0x0000000000000000 in ?? ()