.
Thread 3 (process 31521):
#0  0x00007f2cbe1d1766 in g_type_check_is_value_type ()
   from /usr/lib/libgobject-2.0.so.0
#1  0x0000000001e93810 in ?? ()
#2  0x00007f2cbe1b8bee in g_object_get_valist ()
   from /usr/lib/libgobject-2.0.so.0
#3  0x00007f2cbe1b8f44 in g_object_get () from /usr/lib/libgobject-2.0.so.0
#4  0x00007f2cc1a3c78f in IA__gtk_accel_label_refetch (accel_label=0x26e3b40)
    at /build/buildd/gtk+2.0-2.13.6/gtk/gtkaccellabel.c:811
	enable_accels = 32556
	__PRETTY_FUNCTION__ = "IA__gtk_accel_label_refetch"
#5  0x00007f2cbe1b428d in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#6  0x00007f2cbe1cacd4 in ?? () from /usr/lib/libgobject-2.0.so.0
#7  0x00007f2cbe1cc719 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#8  0x00007f2cbe1ccc83 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#9  0x00007f2cc1c35a49 in IA__gtk_widget_set_parent_window (widget=0x26e3b40, 
    parent_window=0x7fffccb09b60)
    at /build/buildd/gtk+2.0-2.13.6/gtk/gtkwidget.c:6551
	__PRETTY_FUNCTION__ = "IA__gtk_widget_set_parent_window"
#10 0x00007f2cc1af4dd2 in gtk_image_menu_item_get_property (object=0x5, 
    prop_id=20, value=0x4c, pspec=0x60000)
    at /build/buildd/gtk+2.0-2.13.6/gtk/gtkimagemenuitem.c:148
No locals.
#11 0x0000000001e939a0 in ?? ()
#12 0x00000000027012d0 in ?? ()
#13 0x0000000001e93810 in ?? ()
#14 0x00007fffccb09b60 in ?? ()
#15 0x00000000022ce940 in ?? ()
#16 0x00007f2cc1c35b3d in IA__gtk_widget_create_pango_context (
    widget=0x27012d0) at /build/buildd/gtk+2.0-2.13.6/gtk/gtkwidget.c:6430
	__t = <value optimized out>
	__r = <value optimized out>
	screen = <value optimized out>
	context = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__gtk_widget_create_pango_context"
#17 0x00000000027012d0 in ?? ()
#18 0x0000000001e1d4b0 in ?? ()
#19 0x00007f2cc1c35c23 in IA__gtk_widget_get_pango_context (
    widget=<value optimized out>)
    at /build/buildd/gtk+2.0-2.13.6/gtk/gtkwidget.c:6367
	__inst = (GTypeInstance *) 0x1
	__t = <value optimized out>
	__r = <value optimized out>
	context = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__gtk_widget_get_pango_context"
#20 0x0000000000000000 in ?? ()
.
Thread 2 (process 9852):
#0  0x00007f2cbdacd55d in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007f2cc113b675 in ?? () from /usr/lib/libgthread-2.0.so.0
#2  0x00007f2cbdcf476b in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f2cbdd42b69 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f2cbdd415a4 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007f2cbdac93ea in start_thread () from /lib/libpthread.so.0
#6  0x00007f2cbd836b9d in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()
.
Thread 1 (process 31522):
#0  IA__FcFontSetSort (config=0x211f770, sets=0x41908860, nsets=2, 
    p=0x7f2cb054e360, trim=0, csp=0x0, result=0x41908904) at fcmatch.c:673
	ret = <value optimized out>
	s = (FcFontSet *) 0x21
	nodes = <value optimized out>
	nodeps = <value optimized out>
	nodep = <value optimized out>
	nnodes = 0
	new = <value optimized out>
	cs = <value optimized out>
	f = <value optimized out>
	i = <value optimized out>
	nPatternLang = <value optimized out>
	patternLangSat = <value optimized out>
	patternLang = {type = FcTypeVoid, u = {s = 0x7f2cb109b560 "pq[»,\177", 
    i = -1324763808, b = -1324763808, d = 6.9085162446169984e-310, 
    m = 0x7f2cb109b560, c = 0x7f2cb109b560, f = 0x7f2cb109b560, 
    l = 0x7f2cb109b560}}
#1  0x00007f2cbf62e259 in IA__FcFontSort (config=0x211f770, p=0x7f2cb054e360, 
    trim=0, csp=0x0, result=0x41908904) at fcmatch.c:835
	sets = {0x21, 0x69672d656d6f6e67}
	nsets = 33
#2  0x00007f2cbb2d8cc8 in ?? ()
#3  0x00007f2cbb35ceee in ?? ()
#4  0x0000000000000000 in ?? ()