.
Thread 1 (process 8148):
#0  0xb7620e98 in IA__g_type_check_instance_cast (type_instance=0xaaaaaaaa, 
    iface_type=140195512) at /build/buildd/glib2.0-2.19.6/gobject/gtype.c:3723
No locals.
#1  0xb7e14dec in ?? () from /usr/lib/libwnck-1.so.22
#2  0xb7e157a8 in ?? () from /usr/lib/libwnck-1.so.22
#3  0xb7570cc1 in g_idle_dispatch (source=0x89fb248, callback=0xaaaaaaaa, 
    user_data=0x89e7018) at /build/buildd/glib2.0-2.19.6/glib/gmain.c:3922
No locals.
#4  0xb7572bf8 in IA__g_main_context_dispatch (context=0x858f3c8)
    at /build/buildd/glib2.0-2.19.6/glib/gmain.c:1814
No locals.
#5  0xb75762a3 in g_main_context_iterate (context=0x858f3c8, block=1, 
    dispatch=1, self=0x8579bc8)
    at /build/buildd/glib2.0-2.19.6/glib/gmain.c:2448
	max_priority = 200
	timeout = 0
	some_ready = 1
	nfds = 6
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0x858a720
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#6  0xb75767c2 in IA__g_main_loop_run (loop=0x8988058)
    at /build/buildd/glib2.0-2.19.6/glib/gmain.c:2656
	self = (GThread *) 0x8579bc8
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#7  0xb7a913d9 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.15.3/gtk/gtkmain.c:1205
	tmp_list = (GList *) 0x85b9f90
	functions = (GList *) 0x0
	init = (GtkInitFunction *) 0x857db18
	loop = (GMainLoop *) 0x8988058
#8  0x080588b8 in ?? ()
#9  0xb73ec775 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#10 0x0804d2a1 in ?? ()