.
Thread 1 (process 29261):
#0  strcmp () at ../sysdeps/x86_64/strcmp.S:30
No locals.
#1  0x00007f1921697009 in gnome_rr_screen_get_output_by_name (
    screen=<value optimized out>, 
    name=0x14300000050 <Address 0x14300000050 out of bounds>)
    at gnome-rr.c:911
	output = (GnomeRROutput *) 0x12bb4f0
	__PRETTY_FUNCTION__ = "gnome_rr_screen_get_output_by_name"
#2  0x0000000000407d4b in get_current_modes (app=<value optimized out>)
    at xrandr-capplet.c:367
	output = <value optimized out>
#3  0x000000000040813b in rebuild_rate_combo (app=0xd62780)
    at xrandr-capplet.c:484
	modes = <value optimized out>
	best = <value optimized out>
#4  0x000000000040873a in rebuild_gui (app=0xd62780) at xrandr-capplet.c:686
	__PRETTY_FUNCTION__ = "rebuild_gui"
#5  0x0000000000409850 in select_current_output_from_dialog_position (
    app=0xd62780) at xrandr-capplet.c:2139
No locals.
#6  0x00007f19216981ee in screen_update (screen=0xef8330, 
    force_callback=<value optimized out>, error=<value optimized out>)
    at gnome-rr.c:494
	info = <value optimized out>
	changed = 0
	__PRETTY_FUNCTION__ = "screen_update"
#7  0x00007f19216982bf in screen_on_event (xevent=<value optimized out>, 
    event=<value optimized out>, data=0x0) at gnome-rr.c:520
No locals.
#8  0x00007f1920ddc50c in gdk_event_translate (display=0xd180a0, 
    event=0x12e00e0, xevent=0x7fff2a138670, return_exposes=0)
    at /build/buildd/gtk+2.0-2.15.5/gdk/x11/gdkevents-x11.c:349
	window = (GdkWindow *) 0xd22010
	filter_window = (GdkWindow *) 0xd22010
	window_impl = (GdkWindowImplX11 *) 0xd220b0
	return_val = <value optimized out>
	xoffset = <value optimized out>
	yoffset = <value optimized out>
	screen = (GdkScreen *) 0xd1e0d0
	screen_x11 = (GdkScreenX11 *) 0xd1e0d0
	toplevel = (GdkToplevelX11 *) 0x12ba260
	xwindow = 179
	filter_xwindow = <value optimized out>
#9  0x00007f1920dde48d in _gdk_events_queue (display=0xd180a0)
    at /build/buildd/gtk+2.0-2.15.5/gdk/x11/gdkevents-x11.c:2298
	node = (GList *) 0xfd8ce0
	event = (GdkEvent *) 0x12e00e0
	xevent = {type = 101, xany = {type = 101, serial = 6409, 
    send_event = 0, display = 0xd0c820, window = 179}, xkey = {type = 101, 
    serial = 6409, send_event = 0, display = 0xd0c820, window = 179, 
    root = 0, subwindow = 57, time = 0, x = 1, y = 0, x_root = 0, y_root = 0, 
    state = 0, keycode = 1, same_screen = 1}, xbutton = {type = 101, 
    serial = 6409, send_event = 0, display = 0xd0c820, window = 179, 
    root = 0, subwindow = 57, time = 0, x = 1, y = 0, x_root = 0, y_root = 0, 
    state = 0, button = 1, same_screen = 1}, xmotion = {type = 101, 
    serial = 6409, send_event = 0, display = 0xd0c820, window = 179, 
    root = 0, subwindow = 57, time = 0, x = 1, y = 0, x_root = 0, y_root = 0, 
    state = 0, is_hint = 1 '\001', same_screen = 1}, xcrossing = {type = 101, 
    serial = 6409, send_event = 0, display = 0xd0c820, window = 179, 
    root = 0, subwindow = 57, time = 0, x = 1, y = 0, x_root = 0, y_root = 0, 
    mode = 0, detail = 1, same_screen = 1, focus = 0, state = 16}, xfocus = {
    type = 101, serial = 6409, send_event = 0, display = 0xd0c820, 
    window = 179, mode = 0, detail = 0}, xexpose = {type = 101, 
    serial = 6409, send_event = 0, display = 0xd0c820, window = 179, x = 0, 
    y = 0, width = 57, height = 0, count = 0}, xgraphicsexpose = {type = 101, 
    serial = 6409, send_event = 0, display = 0xd0c820, drawable = 179, x = 0, 
    y = 0, width = 57, height = 0, count = 0, major_code = 0, 
    minor_code = 1}, xnoexpose = {type = 101, serial = 6409, send_event = 0, 
    display = 0xd0c820, drawable = 179, major_code = 0, minor_code = 0}, 
  xvisibility = {type = 101, serial = 6409, send_event = 0, 
    display = 0xd0c820, window = 179, state = 0}, xcreatewindow = {
    type = 101, serial = 6409, send_event = 0, display = 0xd0c820, 
    parent = 179, window = 0, x = 57, y = 0, width = 0, height = 0, 
    border_width = 1, override_redirect = 0}, xdestroywindow = {type = 101, 
    serial = 6409, send_event = 0, display = 0xd0c820, event = 179, 
    window = 0}, xunmap = {type = 101, serial = 6409, send_event = 0, 
    display = 0xd0c820, event = 179, window = 0, from_configure = 57}, 
  xmap = {type = 101, serial = 6409, send_event = 0, display = 0xd0c820, 
    event = 179, window = 0, override_redirect = 57}, xmaprequest = {
    type = 101, serial = 6409, send_event = 0, display = 0xd0c820, 
    parent = 179, window = 0}, xreparent = {type = 101, serial = 6409, 
    send_event = 0, display = 0xd0c820, event = 179, window = 0, parent = 57, 
    x = 0, y = 0, override_redirect = 1}, xconfigure = {type = 101, 
    serial = 6409, send_event = 0, display = 0xd0c820, event = 179, 
    window = 0, x = 57, y = 0, width = 0, height = 0, border_width = 1, 
    above = 0, override_redirect = 0}, xgravity = {type = 101, serial = 6409, 
    send_event = 0, display = 0xd0c820, event = 179, window = 0, x = 57, 
    y = 0}, xresizerequest = {type = 101, serial = 6409, send_event = 0, 
    display = 0xd0c820, window = 179, width = 0, height = 0}, 
  xconfigurerequest = {type = 101, serial = 6409, send_event = 0, 
    display = 0xd0c820, parent = 179, window = 0, x = 57, y = 0, width = 0, 
    height = 0, border_width = 1, above = 0, detail = 0, value_mask = 1}, 
  xcirculate = {type = 101, serial = 6409, send_event = 0, 
    display = 0xd0c820, event = 179, window = 0, place = 57}, 
  xcirculaterequest = {type = 101, serial = 6409, send_event = 0, 
    display = 0xd0c820, parent = 179, window = 0, place = 57}, xproperty = {
    type = 101, serial = 6409, send_event = 0, display = 0xd0c820, 
    window = 179, atom = 0, time = 57, state = 0}, xselectionclear = {
    type = 101, serial = 6409, send_event = 0, display = 0xd0c820, 
    window = 179, selection = 0, time = 57}, xselectionrequest = {type = 101, 
    serial = 6409, send_event = 0, display = 0xd0c820, owner = 179, 
    requestor = 0, selection = 57, target = 0, property = 1, time = 0}, 
  xselection = {type = 101, serial = 6409, send_event = 0, 
    display = 0xd0c820, requestor = 179, selection = 0, target = 57, 
    property = 0, time = 1}, xcolormap = {type = 101, serial = 6409, 
    send_event = 0, display = 0xd0c820, window = 179, colormap = 0, new = 57, 
    state = 0}, xclient = {type = 101, serial = 6409, send_event = 0, 
    display = 0xd0c820, window = 179, message_type = 0, format = 57, data = {
      b = "\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\000\000\000", s = {0, 0, 0, 0, 1, 0, 0, 0, 0, 0}, l = {0, 1, 0, 4294967296, 
        1}}}, xmapping = {type = 101, serial = 6409, send_event = 0, 
    display = 0xd0c820, window = 179, request = 0, first_keycode = 0, 
    count = 57}, xerror = {type = 101, display = 0x1909, resourceid = 0, 
    serial = 13682720, error_code = 179 '³', request_code = 0 '\0', 
    minor_code = 0 '\0'}, xkeymap = {type = 101, serial = 6409, 
    send_event = 0, display = 0xd0c820, window = 179, 
    key_vector = "\000\000\000\000\000\000\000\0009", '\0' <repeats 15 times>, "\001\000\000\000\000\000\000"}, pad = {101, 6409, 0, 13682720, 179, 0, 57, 
    0, 1, 0, 4294967296, 1, 16, 0 <repeats 11 times>}}
	xdisplay = (Display *) 0xd0c820
#10 0x00007f1920dde9ae in gdk_event_dispatch (source=<value optimized out>, 
    callback=0x14300000050, user_data=0x1)
    at /build/buildd/gtk+2.0-2.15.5/gdk/x11/gdkevents-x11.c:2358
	display = (GdkDisplay *) 0xd180a0
	event = <value optimized out>
#11 0x00007f19201dd19a in IA__g_main_context_dispatch (context=0xd24240)
    at /build/buildd/glib2.0-2.19.10/glib/gmain.c:1814
No locals.
#12 0x00007f19201e0870 in g_main_context_iterate (context=0xd24240, block=1, 
    dispatch=1, self=<value optimized out>)
    at /build/buildd/glib2.0-2.19.10/glib/gmain.c:2448
	max_priority = 0
	timeout = 0
	some_ready = 1
	nfds = 8
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0x12ea280
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#13 0x00007f19201e0d3d in IA__g_main_loop_run (loop=0x12ea7b0)
    at /build/buildd/glib2.0-2.19.10/glib/gmain.c:2656
	self = (GThread *) 0xd08240
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#14 0x00007f19210ff5d4 in IA__gtk_dialog_run (dialog=0xd760c0)
    at /build/buildd/gtk+2.0-2.15.5/gtk/gtkdialog.c:1090
	ri = {dialog = 0x0, response_id = -1, loop = 0x12ea7b0, destroyed = 0}
	was_modal = 0
	response_handler = 272
	unmap_handler = 273
	destroy_handler = 275
	delete_handler = 274
	__PRETTY_FUNCTION__ = "IA__gtk_dialog_run"
#15 0x0000000000409fdc in main (argc=1, argv=0x7fff2a138a78)
    at xrandr-capplet.c:2304
No locals.