.
Thread 2 (process 1629):
#0  0x00007f397b36d373 in *__GI___poll (fds=<value optimized out>, 
    nfds=<value optimized out>, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
	resultvar = <value optimized out>
	_a3 = -1
	_a2 = 2
	_a1 = 29301056
	oldtype = 0
	result = <value optimized out>
#1  0x00007f3971d3620f in poll_func (ufds=0x1bf1940, nfds=2, timeout=-1, 
    userdata=0x1be6ce0) at pulse/thread-mainloop.c:75
	r = <value optimized out>
	__func__ = "poll_func"
	__PRETTY_FUNCTION__ = "poll_func"
#2  0x00007f3971d265e6 in pa_mainloop_poll (m=0x1be6ea0)
    at pulse/mainloop.c:879
	__func__ = "pa_mainloop_poll"
	__PRETTY_FUNCTION__ = "pa_mainloop_poll"
#3  0x00007f3971d27eb9 in pa_mainloop_iterate (m=0x1be6ea0, 
    block=<value optimized out>, retval=0x0) at pulse/mainloop.c:961
	r = <value optimized out>
	__func__ = "pa_mainloop_iterate"
	__PRETTY_FUNCTION__ = "pa_mainloop_iterate"
#4  0x00007f3971d27f70 in pa_mainloop_run (m=0x1be6ea0, retval=0x0)
    at pulse/mainloop.c:979
	r = <value optimized out>
#5  0x00007f3971d3612b in thread (userdata=0x1bd3040)
    at pulse/thread-mainloop.c:94
	mask = {__val = {18446744067267100671, 
    18446744073709551615 <repeats 15 times>}}
#6  0x00007f3971af7050 in internal_thread_func (userdata=0x1be71b0)
    at pulsecore/thread-posix.c:72
	__func__ = "internal_thread_func"
	__PRETTY_FUNCTION__ = "internal_thread_func"
#7  0x00007f397ac5ca04 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#8  0x00007f397b3797bd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (process 1627):
#0  0x00007f397d6a9901 in IA__gdk_window_set_opacity (window=0x7f397e7fbaf1, 
    opacity=<value optimized out>)
    at /build/buildd/gtk+2.0-2.18.3/gdk/x11/gdkwindow-x11.c:5503
	__t = <value optimized out>
	__r = <value optimized out>
	display = <value optimized out>
	cardinal = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__gdk_window_set_opacity"
#1  0x00007f397e55be99 in fadeout_callback (fadeout=0x197d020)
    at libgksu.c:322
	current_time = {tv_sec = 1256179053, tv_usec = 241240}
	elapsed = <value optimized out>
	percent = <value optimized out>
#2  0x00007f397b847bbe in g_main_context_dispatch ()
   from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f397b84b588 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f397b84b9e5 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f397d9abc95 in IA__gtk_dialog_run (dialog=0x1c2d0a0)
    at /build/buildd/gtk+2.0-2.18.3/gtk/gtkdialog.c:1090
	ri = {dialog = 0x0, response_id = -1, loop = 0x1a1cb90, destroyed = 0}
	was_modal = 0
	response_handler = 111
	unmap_handler = 112
	destroy_handler = 114
	delete_handler = 113
	__PRETTY_FUNCTION__ = "IA__gtk_dialog_run"
#6  0x00007f397e55c231 in report_failed_grab (what=2123806970)
    at libgksu.c:632
	dialog = (GtkWidget *) 0x1c2d0a0
#7  0x00007f397e55c4cd in grab_keyboard_and_mouse (dialog=0x19b62a0)
    at libgksu.c:683
	status = <value optimized out>
	grab_tries = 17
	lock = <value optimized out>
	pid = <value optimized out>
	fname = <value optimized out>
#8  0x00007f397e55c998 in su_ask_password (context=0x199bae0, 
    prompt=<value optimized out>, data=<value optimized out>, 
    error=0x7fff5b7fec10) at libgksu.c:1024
	dialog = (GtkWidget *) 0x19b62a0
	msg = <value optimized out>
	password = <value optimized out>
	tmp = <value optimized out>
	retvalue = <value optimized out>
	lock = 0
	gksu_quark = 681
#9  0x00007f397e55d581 in gksu_sudo_fuller (context=0x199bae0, 
    ask_pass=<value optimized out>, ask_pass_data=<value optimized out>, 
    pass_not_needed=<value optimized out>, 
    pass_not_needed_data=<value optimized out>, 
    exit_status=<value optimized out>, error=0x7fff5b7fec10) at libgksu.c:2900
	password = <value optimized out>
	prompt_grab = <value optimized out>
	counter = 1
	cmdline = <value optimized out>
	pid_exited = <value optimized out>
	cmd = (char **) 0xff
	buffer = "GNOME_SUDO_PASS", '\0' <repeats 240 times>
	argcount = 1535110015
	i = <value optimized out>
	j = <value optimized out>
	gksu_quark = 681
	xauth = (gchar *) 0x19278b0 "/tmp/libgksu-6qr7eD/.Xauthority"
	xauth_env = (
    gchar *) 0x19b9a2b "/var/run/gdm/auth-for-click-8rjowv/database"
	status = <value optimized out>
	infile = (FILE *) 0x19b4f20
	outfile = (FILE *) 0x1a71800
	parent_pipe = {26, 27}
	child_pipe = {28, 29}
#10 0x00000000004044f6 in main (argc=<value optimized out>, 
    argv=<value optimized out>) at gksu.c:825
	gconf_client = (GConfClient *) 0x198f580
	count = 1
	context = (GksuContext *) 0x199bae0
	error = (GError *) 0x0
	newargc = 4
	newargv = (gchar **) 0x19118f0
	exit_status = 1 '\001'
	run_mode = 2
	c = <value optimized out>