#0  0x00007faacd22ef39 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 1619
        selftid = 1619
#1  0x00007faacd232348 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7faacf1bfca8, sa_sigaction = 0x7faacf1bfca8}, sa_mask = {__val = {0, 140371574014880, 140371614479415, 140733193388037, 0, 72057594037927936, 140371562589480, 92071760, 140371574014880, 114, 140371614508021, 0, 0, 140371566495640, 4294967295, 140371566495584}}, sa_flags = 6, sa_restorer = 0x8}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007faacda4fe95 in g_assertion_message (domain=domain@entry=0x7faacf1bbd01 "mutter", file=file@entry=0x7faacf1bfca8 "core/window.c", line=line@entry=1705, func=func@entry=0x7faacf1c2b80 <__FUNCTION__.70563> "meta_window_unmanage", message=message@entry=0x5e30b60 "assertion failed: (window->display->focus_window != window)") at /build/buildd/glib2.0-2.39.4/./glib/gtestutils.c:2292
        lstr = "1705\000\177\000\000\320\356\333a\377\177\000\000\060\061\216\005\000\000\000\000\070\021\034\317\252\177\000"
        s = 0x57ce750 ""
#3  0x00007faacda4ff2a in g_assertion_message_expr (domain=domain@entry=0x7faacf1bbd01 "mutter", file=file@entry=0x7faacf1bfca8 "core/window.c", line=line@entry=1705, func=func@entry=0x7faacf1c2b80 <__FUNCTION__.70563> "meta_window_unmanage", expr=expr@entry=0x7faacf1c1138 "window->display->focus_window != window") at /build/buildd/glib2.0-2.39.4/./glib/gtestutils.c:2307
        s = 0x5e30b60 "assertion failed: (window->display->focus_window != window)"
#4  0x00007faacf188b3a in meta_window_unmanage (window=0x58e2e60, timestamp=timestamp@entry=13213770) at core/window.c:1705
        tmp = <optimized out>
        __FUNCTION__ = "meta_window_unmanage"
#5  0x00007faacf15919d in event_callback (event=0x7fff61dbf230, data=0x2c5f720) at core/display.c:2776
        timestamp = 13213770
        window = <optimized out>
        property_for_window = <optimized out>
        frame_was_receiver = <optimized out>
        filter_out_event = 0
        screen = <optimized out>
#6  0x00007faacf1ab213 in filter_func (xevent=0x7fff61dbf230, event=<optimized out>, data=<optimized out>) at ui/ui.c:253
No locals.
#7  0x00007faac9900821 in gdk_event_apply_filters (xevent=xevent@entry=0x7fff61dbf230, event=event@entry=0x345f810, window=window@entry=0x0) at /build/buildd/gtk+3.0-3.10.7/./gdk/x11/gdkeventsource.c:81
        filter = 0x1208a70
        node = <optimized out>
        tmp_list = 0x12e5a00
        result = <optimized out>
#8  0x00007faac9900aae in gdk_event_source_translate_event (xevent=0x7fff61dbf230, event_source=0x120cf80) at /build/buildd/gtk+3.0-3.10.7/./gdk/x11/gdkeventsource.c:195
        dpy = 0x11ece60
        event = 0x345f810
        result = GDK_FILTER_CONTINUE
        event_translator = <optimized out>
#9  _gdk_x11_display_queue_events (display=0x11f9020) at /build/buildd/gtk+3.0-3.10.7/./gdk/x11/gdkeventsource.c:338
        xevent = {type = 18, xany = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799}, xkey = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, root = 23068716, subwindow = 1191024495951872, time = 13195087, x = 0, y = 1048592, x_root = 1769472, y_root = 67045248, state = 1, keycode = 2, same_screen = 1}, xbutton = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, root = 23068716, subwindow = 1191024495951872, time = 13195087, x = 0, y = 1048592, x_root = 1769472, y_root = 67045248, state = 1, button = 2, same_screen = 1}, xmotion = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, root = 23068716, subwindow = 1191024495951872, time = 13195087, x = 0, y = 1048592, x_root = 1769472, y_root = 67045248, state = 1, is_hint = 2 '\002', same_screen = 1}, xcrossing = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, root = 23068716, subwindow = 1191024495951872, time = 13195087, x = 0, y = 1048592, x_root = 1769472, y_root = 67045248, mode = 1, detail = 2, same_screen = 1, focus = 0, state = 0}, xfocus = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, mode = 23068716, detail = 0}, xexpose = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, x = 23068716, y = 0, width = 0, height = 277307, count = 13195087}, xgraphicsexpose = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, drawable = 19008799, x = 23068716, y = 0, width = 0, height = 277307, count = 13195087, major_code = 0, minor_code = 0}, xnoexpose = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, drawable = 19008799, major_code = 23068716, minor_code = 0}, xvisibility = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, state = 23068716}, xcreatewindow = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, parent = 19008799, window = 23068716, x = 0, y = 277307, width = 13195087, height = 0, border_width = 0, override_redirect = 1048592}, xdestroywindow = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, event = 19008799, window = 23068716}, xunmap = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, event = 19008799, window = 23068716, from_configure = 0}, xmap = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, event = 19008799, window = 23068716, override_redirect = 0}, xmaprequest = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, parent = 19008799, window = 23068716}, xreparent = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, event = 19008799, window = 23068716, parent = 1191024495951872, x = 13195087, y = 0, override_redirect = 0}, xconfigure = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, event = 19008799, window = 23068716, x = 0, y = 277307, width = 13195087, height = 0, border_width = 0, above = 287957147513978880, override_redirect = 1}, xgravity = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, event = 19008799, window = 23068716, x = 0, y = 277307}, xresizerequest = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, width = 23068716, height = 0}, xconfigurerequest = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, parent = 19008799, window = 23068716, x = 0, y = 277307, width = 13195087, height = 0, border_width = 0, above = 287957147513978880, detail = 1, value_mask = 1}, xcirculate = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, event = 19008799, window = 23068716, place = 0}, xcirculaterequest = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, parent = 19008799, window = 23068716, place = 0}, xproperty = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, atom = 23068716, time = 1191024495951872, state = 13195087}, xselectionclear = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, selection = 23068716, time = 1191024495951872}, xselectionrequest = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, owner = 19008799, requestor = 23068716, selection = 1191024495951872, target = 13195087, property = 4503668346847232, time = 287957147513978880}, xselection = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, requestor = 19008799, selection = 23068716, target = 1191024495951872, property = 13195087, time = 4503668346847232}, xcolormap = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, colormap = 23068716, new = 0, state = 277307}, xclient = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, message_type = 23068716, format = 0, data = {b = "OW\311\000\000\000\000\000\000\000\000\000\020\000\020\000\000\000\033", s = {22351, 201, 0, 0, 0, 0, 16, 16, 0, 27}, l = {13195087, 4503668346847232, 287957147513978880, 8589934593, 1}}}, xmapping = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, request = 23068716, first_keycode = 0, count = 0}, xerror = {type = 18, display = 0x1773af, resourceid = 0, serial = 18796128, error_code = 31 '\037', request_code = 13 '\r', minor_code = 34 '"'}, xkeymap = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, window = 19008799, key_vector = ",\000`\001\000\000\000\000\000\000\000\000;;\004\000OW\311\000\000\000\000\000\000\000\000\000\020\000\020"}, xgeneric = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, extension = 19008799, evtype = 0}, xcookie = {type = 18, serial = 1536943, send_event = 0, display = 0x11ece60, extension = 19008799, evtype = 0, cookie = 23068716, data = 0x43b3b00000000}, pad = {18, 1536943, 0, 18796128, 19008799, 23068716, 1191024495951872, 13195087, 4503668346847232, 287957147513978880, 8589934593, 1, 0, 140371595095456, 0, 140371595095136, 19513904, 0, 65, 47676512, 47668816, 140371595095008, 1147, 140371595095008}}
        xdisplay = 0x11ece60
        event_source = 0x120cf80
        display_x11 = 0x11f9020
#10 0x00007faac98d8728 in gdk_display_get_event (display=display@entry=0x11f9020) at /build/buildd/gtk+3.0-3.10.7/./gdk/gdkdisplay.c:327
        __FUNCTION__ = "gdk_display_get_event"
#11 0x00007faac99008a2 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.10.7/./gdk/x11/gdkeventsource.c:360
        display = 0x11f9020
        event = <optimized out>
#12 0x00007faacda2bb84 in g_main_dispatch (context=0x11c8000) at /build/buildd/glib2.0-2.39.4/./glib/gmain.c:3065
        dispatch = 0x7faac9900890 <gdk_event_source_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = <optimized out>
        cb_data = 0x0
        need_destroy = <optimized out>
        source = 0x120cf80
        current = 0x11dc710
        i = 0
#13 g_main_context_dispatch (context=context@entry=0x11c8000) at /build/buildd/glib2.0-2.39.4/./glib/gmain.c:3640
No locals.
#14 0x00007faacda2bdc8 in g_main_context_iterate (context=0x11c8000, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.39.4/./glib/gmain.c:3711
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 12
        fds = 0x30f2290
#15 0x00007faacda2c08a in g_main_loop_run (loop=0x11cb160) at /build/buildd/glib2.0-2.39.4/./glib/gmain.c:3905
        __FUNCTION__ = "g_main_loop_run"
#16 0x00007faacf166ff1 in meta_run () at core/main.c:556
        log_domains = {0x0, 0x7faacf1bbd01 "mutter", 0x7faacf1b9ea3 "Gtk", 0x7faacf1b9ea7 "Gdk", 0x7faacf1b9eab "GLib", 0x7faacf1b9eb0 "Pango", 0x7faacf1b9eb6 "GLib-GObject", 0x7faacf1b9ec3 "GThread"}
        i = <optimized out>
#17 0x0000000000401d11 in main (argc=1, argv=0x7fff61dbf628) at main.c:439
        ctx = <optimized out>
        error = 0x0
        ecode = <optimized out>
        sender = 0x2b88ee0