.
Thread 1 (process 19145):
#0  0x00002ad95bcb36f0 in ?? ()
#1  0x00002ad951319d5c in gdk_event_apply_filters (xevent=0x7fff5b6d2880, event=0x700cb0, 
    filters=<value optimized out>) at /build/buildd/gtk+2.0-2.12.0/gdk/x11/gdkevents-x11.c:345
	filter = (GdkEventFilter *) 0x898ef0
	tmp_list = (GList *) 0x0
	result = <value optimized out>
#2  0x00002ad95131b3c6 in gdk_event_translate (display=0x65d000, event=0x700cb0, xevent=0x7fff5b6d2880, 
    return_exposes=0) at /build/buildd/gtk+2.0-2.12.0/gdk/x11/gdkevents-x11.c:896
	window = <value optimized out>
	filter_window = <value optimized out>
	window_impl = <value optimized out>
	return_val = <value optimized out>
	xoffset = <value optimized out>
	yoffset = <value optimized out>
	screen = <value optimized out>
	screen_x11 = <value optimized out>
	toplevel = <value optimized out>
	xwindow = <value optimized out>
	filter_xwindow = <value optimized out>
#3  0x00002ad95131cd42 in _gdk_events_queue (display=0x65d000)
    at /build/buildd/gtk+2.0-2.12.0/gdk/x11/gdkevents-x11.c:2285
	node = (GList *) 0x853700
	event = (GdkEvent *) 0x700cb0
	xevent = {type = 17, xany = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, 
    window = 25167214}, xkey = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, window = 25167214, 
    root = 25167214, subwindow = 1373982579, time = 4607182418800017409, x = 0, y = 0, x_root = 0, y_root = 0, 
    state = 0, keycode = 1072693248, same_screen = 0}, xbutton = {type = 17, serial = 5372, send_event = 0, 
    display = 0x656f80, window = 25167214, root = 25167214, subwindow = 1373982579, time = 4607182418800017409, 
    x = 0, y = 0, x_root = 0, y_root = 0, state = 0, button = 1072693248, same_screen = 0}, xmotion = {type = 17, 
    serial = 5372, send_event = 0, display = 0x656f80, window = 25167214, root = 25167214, subwindow = 1373982579, 
    time = 4607182418800017409, x = 0, y = 0, x_root = 0, y_root = 0, state = 0, is_hint = 0 '\0', same_screen = 0}, 
  xcrossing = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, window = 25167214, root = 25167214, 
    subwindow = 1373982579, time = 4607182418800017409, x = 0, y = 0, x_root = 0, y_root = 0, mode = 0, 
    detail = 1072693248, same_screen = 0, focus = 0, state = 0}, xfocus = {type = 17, serial = 5372, send_event = 0, 
    display = 0x656f80, window = 25167214, mode = 25167214, detail = 0}, xexpose = {type = 17, serial = 5372, 
    send_event = 0, display = 0x656f80, window = 25167214, x = 25167214, y = 0, width = 1373982579, height = 0, 
    count = 1}, xgraphicsexpose = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, drawable = 25167214, 
    x = 25167214, y = 0, width = 1373982579, height = 0, count = 1, major_code = 1072693248, minor_code = 0}, 
  xnoexpose = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, drawable = 25167214, 
    major_code = 25167214, minor_code = 0}, xvisibility = {type = 17, serial = 5372, send_event = 0, 
    display = 0x656f80, window = 25167214, state = 25167214}, xcreatewindow = {type = 17, serial = 5372, 
    send_event = 0, display = 0x656f80, parent = 25167214, window = 25167214, x = 1373982579, y = 0, width = 1, 
    height = 1072693248, border_width = 0, override_redirect = 0}, xdestroywindow = {type = 17, serial = 5372, 
    send_event = 0, display = 0x656f80, event = 25167214, window = 25167214}, xunmap = {type = 17, serial = 5372, 
    send_event = 0, display = 0x656f80, event = 25167214, window = 25167214, from_configure = 1373982579}, xmap = {
    type = 17, serial = 5372, send_event = 0, display = 0x656f80, event = 25167214, window = 25167214, 
    override_redirect = 1373982579}, xmaprequest = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, 
    parent = 25167214, window = 25167214}, xreparent = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, 
    event = 25167214, window = 25167214, parent = 1373982579, x = 1, y = 1072693248, override_redirect = 0}, 
  xconfigure = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, event = 25167214, window = 25167214, 
    x = 1373982579, y = 0, width = 1, height = 1072693248, border_width = 0, above = 0, override_redirect = 0}, 
  xgravity = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, event = 25167214, window = 25167214, 
    x = 1373982579, y = 0}, xresizerequest = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, 
    window = 25167214, width = 25167214, height = 0}, xconfigurerequest = {type = 17, serial = 5372, send_event = 0, 
    display = 0x656f80, parent = 25167214, window = 25167214, x = 1373982579, y = 0, width = 1, height = 1072693248, 
    border_width = 0, above = 0, detail = 0, value_mask = 0}, xcirculate = {type = 17, serial = 5372, send_event = 0, 
    display = 0x656f80, event = 25167214, window = 25167214, place = 1373982579}, xcirculaterequest = {type = 17, 
    serial = 5372, send_event = 0, display = 0x656f80, parent = 25167214, window = 25167214, place = 1373982579}, 
  xproperty = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, window = 25167214, atom = 25167214, 
    time = 1373982579, state = 1}, xselectionclear = {type = 17, serial = 5372, send_event = 0, display = 0x656f80, 
    window = 25167214, selection = 25167214, time = 1373982579}, xselectionrequest = {type = 17, serial = 5372, 
    send_event = 0, display = 0x656f80, owner = 25167214, requestor = 25167214, selection = 1373982579, 
    target = 4607182418800017409, property = 0, time = 0}, xselection = {type = 17, serial = 5372, send_event = 0, 
    display = 0x656f80, requestor = 25167214, selection = 25167214, target = 1373982579, 
    property = 4607182418800017409, time = 0}, xcolormap = {type = 17, serial = 5372, send_event = 0, 
    display = 0x656f80, window = 25167214, colormap = 25167214, new = 1373982579, state = 0}, xclient = {type = 17, 
    serial = 5372, send_event = 0, display = 0x656f80, window = 25167214, message_type = 25167214, 
    format = 1373982579, data = {b = "\001\000\000\000\000\000ð?", '\0' <repeats 11 times>, s = {1, 0, 0, 16368, 0, 
        0, 0, 0, 0, 0}, l = {4607182418800017409, 0, 0, 4607182418800017408, 0}}}, xmapping = {type = 17, 
    serial = 5372, send_event = 0, display = 0x656f80, window = 25167214, request = 25167214, first_keycode = 0, 
    count = 1373982579}, xerror = {type = 17, display = 0x14fc, resourceid = 0, serial = 6647680, 
    error_code = 110 'n', request_code = 5 '\005', minor_code = 128 '\200'}, xkeymap = {type = 17, serial = 5372, 
    send_event = 0, display = 0x656f80, window = 25167214, 
    key_vector = "n\005\200\001\000\000\000\000sOåQ\000\000\000\000\001\000\000\000\000\000ð?\000\000\000\000\000\000\000"}, pad = {47111496269841, 5372, 0, 6647680, 25167214, 25167214, 1373982579, 4607182418800017409, 0, 0, 
    4607182418800017408, 0, 0, 4607182418800017408, 0, 0, 4607182418800017408, 0, 0, 0, 8969264, -5934154450801942, 
    1617, 47112896014816}}
	xdisplay = (Display *) 0x656f80
#4  0x00002ad95131d14e in gdk_event_dispatch (source=<value optimized out>, callback=0x700cb0, user_data=0x0)
    at /build/buildd/gtk+2.0-2.12.0/gdk/x11/gdkevents-x11.c:2345
	display = (GdkDisplay *) 0x65d000
	event = <value optimized out>
#5  0x00002ad952ed7fd3 in IA__g_main_context_dispatch (context=0x667b00)
    at /build/buildd/glib2.0-2.14.1/glib/gmain.c:2061
No locals.
#6  0x00002ad952edb2dd in g_main_context_iterate (context=0x667b00, block=1, dispatch=1, self=<value optimized out>)
    at /build/buildd/glib2.0-2.14.1/glib/gmain.c:2694
	got_ownership = <value optimized out>
	max_priority = 0
	timeout = 0
	some_ready = 1
	nfds = <value optimized out>
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0x6689c0
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#7  0x00002ad952edb5ea in IA__g_main_loop_run (loop=0x668920) at /build/buildd/glib2.0-2.14.1/glib/gmain.c:2898
	got_ownership = <value optimized out>
	self = (GThread *) 0x636540
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#8  0x00002ad950e48883 in IA__gtk_main () at /build/buildd/gtk+2.0-2.12.0/gtk/gtkmain.c:1144
	tmp_list = (GList *) 0x0
	functions = (GList *) 0x0
	init = (GtkInitFunction *) 0x6688a0
	loop = (GMainLoop *) 0x668920
#9  0x0000000000428ffe in theme_thumbnail_factory_init (argc=1, argv=0x7fff5b6d2d98) at theme-thumbnail.c:1131
	data = {status = 0, type = 0x668660, control_theme_name = 0x668680, gtk_color_scheme = 0x6686a0, 
  wm_theme_name = 0x6686c0, icon_theme_name = 0x6686e0, application_font = 0x668700}
	channel = (GIOChannel *) 0x6688a0
	__PRETTY_FUNCTION__ = "theme_thumbnail_factory_init"
#10 0x000000000041759b in main (argc=1, argv=0x7fff5b6d2d98) at appearance-main.c:50
	data = <value optimized out>
	program = <value optimized out>
	w = <value optimized out>
	install_filename = (gchar *) 0x0
	start_page = (gchar *) 0x0
	wallpaper_files = (gchar **) 0x0
	option_context = <value optimized out>
	option_entries = {{long_name = 0x42cb2a "install-theme", short_name = 105 'i', flags = 2, 
    arg = G_OPTION_ARG_FILENAME, arg_data = 0x7fff5b6d2c88, 
    description = 0x42cbf0 "Specify the filename of a theme to install", arg_description = 0x42cb38 "filename"}, {
    long_name = 0x42cb41 "show-page", short_name = 112 'p', flags = 2, arg = G_OPTION_ARG_STRING, 
    arg_data = 0x7fff5b6d2c80, 
    description = 0x42cc20 "Specify the name of the page to show (theme|background|fonts|interface)", 
    arg_description = 0x42cb46 "page"}, {long_name = 0x42df6e "", short_name = 0 '\0', flags = 2, 
    arg = G_OPTION_ARG_FILENAME_ARRAY, arg_data = 0x7fff5b6d2c78, description = 0x0, 
    arg_description = 0x42cb4b "[WALLPAPER...]"}, {long_name = 0x0, short_name = 0 '\0', flags = 0, 
    arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}}