.
Thread 1 (process 6410):
#0  0xb7b021dc in gdk_window_set_opacity () from /usr/lib/libgdk-x11-2.0.so.0
#1  0xb7f60886 in ?? () from /usr/lib/libgksu2.so.0
#2  0x61706573 in ?? ()
#3  0x00000000 in ?? ()