#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
        set = {__val = {0, 343597383809, 4, 0, 472446402655, 0, 0, 532575944823, 0, 4294967296, 17179869184, 0, 17179869184, 139932758063872, 2048, 4294969344}}
        pid = <optimized out>
        tid = <optimized out>
#1  0x00007f44a21d93ea in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0, 472446402651, 0, 0, 94238624513936, 135, 139932763528384, 139932785934344, 140733986549824, 94238624552464, 139932754674060, 135, 139932763528384, 139932785934344, 140733986549824, 94238624552464}}, sa_flags = -1547894896, sa_restorer = 0x87}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f44a27f8135 in g_assertion_message () from /tmp/apport_sandbox_88AF7K/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f44a27f81ca in g_assertion_message_expr () from /tmp/apport_sandbox_88AF7K/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f44a3fa9567 in meta_group_new (display=0x55b59f5568d0, group_leader=<optimized out>) at x11/group.c:71
        group = 0x55b5a31ca240
        initial_props = {94238560061024, 139932785544313, 94238617142304}
        i = <optimized out>
        __func__ = "meta_group_new"
        xcb_conn = 0x55b59f492030
        e = 0x0
        attrs = 0x55b5a3b08a50
        events = {4194304}
#5  0x00007f44a3fa984a in meta_window_compute_group (window=window@entry=0x55b5a34c8420) at x11/group.c:179
        group = <optimized out>
        ancestor = 0x55b59fe718c0
#6  0x00007f44a3fa98b2 in meta_window_group_leader_changed (window=window@entry=0x55b5a34c8420) at x11/group.c:216
No locals.
#7  0x00007f44a3f9fdbc in meta_window_set_transient_for (window=0x55b5a34c8420, parent=<optimized out>) at core/window.c:7548
No locals.
#8  0x00007f44a3faead8 in reload_prop_value (hooks=<optimized out>, hooks=<optimized out>, initial=1, value=0x55b5a10cc080, window=0x55b5a34c8420) at x11/window-props.c:198
No locals.
#9  meta_window_load_initial_properties (window=0x55b5a34c8420) at x11/window-props.c:162
        hooks = <optimized out>
        i = 16
        j = 16
        values = 0x55b5a10cbe00
        n_properties = 32
#10 0x00007f44a3fb274c in meta_window_x11_manage (window=0x55b5a34c8420) at x11/window-x11.c:521
        display = 0x55b59f5568d0
        window_x11 = <optimized out>
#11 0x00007f44a3f9b2a0 in _meta_window_shared_new (display=display@entry=0x55b59f5568d0, screen=screen@entry=0x55b59f3505a0, client_type=client_type@entry=META_WINDOW_CLIENT_TYPE_X11, surface=surface@entry=0x0, xwindow=xwindow@entry=48244833, existing_wm_state=existing_wm_state@entry=0, effect=<optimized out>, attrs=<optimized out>) at core/window.c:1065
        window = 0x55b5a34c8420
        __func__ = "_meta_window_shared_new"
#12 0x00007f44a3fb3208 in meta_window_x11_new (display=display@entry=0x55b59f5568d0, xwindow=48244833, must_be_viewable=must_be_viewable@entry=0, effect=effect@entry=META_COMP_EFFECT_CREATE) at x11/window-x11.c:3024
        screen = 0x55b59f3505a0
        attrs = {x = 1631, y = 354, width = 578, height = 352, border_width = 0, depth = 24, visual = 0x55b59f49dfd8, root = 929, class = 1, bit_gravity = 1, win_gravity = 1, backing_store = 0, backing_planes = 4294967295, backing_pixel = 0, save_under = 0, colormap = 48234502, map_installed = 0, map_state = 0, all_event_masks = 4423680, your_event_mask = 0, do_not_propagate_mask = 0, override_redirect = 0, screen = 0x55b59f486800}
        existing_wm_state = 0
        window = 0x0
        event_mask = <optimized out>
        window_x11 = <optimized out>
#13 0x00007f44a3fa8514 in handle_other_xevent (display=display@entry=0x55b59f5568d0, event=event@entry=0x7fff2f46b640) at x11/events.c:1372
        modified = <optimized out>
        window = 0x0
        property_for_window = <optimized out>
        frame_was_receiver = <optimized out>
        bypass_gtk = 0
#14 0x00007f44a3fa8b8b in meta_display_handle_xevent (event=0x7fff2f46b640, display=0x55b59f5568d0) at x11/events.c:1784
        input_event = 0x0
        backend = <optimized out>
        modified = 48244833
        bypass_compositor = 0
        bypass_gtk = 0
#15 xevent_filter (xevent=0x7fff2f46b640, event=<optimized out>, data=0x55b59f5568d0) at x11/events.c:1823
        display = 0x55b59f5568d0
#16 0x00007f449f233af1 in gdk_event_apply_filters (xevent=xevent@entry=0x7fff2f46b640, event=event@entry=0x55b5a3a31ee0, window=window@entry=0x0) at ././gdk/x11/gdkeventsource.c:79
        filter = 0x55b59f507a10
        node = <optimized out>
        tmp_list = 0x55b59f631cc0
        result = <optimized out>
#17 0x00007f449f233da9 in gdk_event_source_translate_event (xevent=0x7fff2f46b640, event_source=0x55b59f4213e0) at ././gdk/x11/gdkeventsource.c:198
        dpy = 0x55b59f490de0
        event = 0x55b5a3a31ee0
        result = GDK_FILTER_CONTINUE
        event_translator = 0x0
#18 _gdk_x11_display_queue_events (display=0x55b59f4a3100) at ././gdk/x11/gdkeventsource.c:341
        xevent = {type = 20, xany = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929}, xkey = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, root = 48244833, subwindow = 184683593728, time = 17706256, x = 0, y = 0, x_root = 0, y_root = 0, state = 1, keycode = 0, same_screen = 0}, xbutton = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, root = 48244833, subwindow = 184683593728, time = 17706256, x = 0, y = 0, x_root = 0, y_root = 0, state = 1, button = 0, same_screen = 0}, xmotion = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, root = 48244833, subwindow = 184683593728, time = 17706256, x = 0, y = 0, x_root = 0, y_root = 0, state = 1, is_hint = 0 '\000', same_screen = 0}, xcrossing = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, root = 48244833, subwindow = 184683593728, time = 17706256, x = 0, y = 0, x_root = 0, y_root = 0, mode = 1, detail = 0, same_screen = 0, focus = 0, state = 48}, xfocus = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, mode = 48244833, detail = 0}, xexpose = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, x = 48244833, y = 0, width = 0, height = 43, count = 17706256}, xgraphicsexpose = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, drawable = 929, x = 48244833, y = 0, width = 0, height = 43, count = 17706256, major_code = 0, minor_code = 0}, xnoexpose = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, drawable = 929, major_code = 48244833, minor_code = 0}, xvisibility = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, state = 48244833}, xcreatewindow = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, parent = 929, window = 48244833, x = 0, y = 43, width = 17706256, height = 0, border_width = 0, override_redirect = 0}, xdestroywindow = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, event = 929, window = 48244833}, xunmap = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, event = 929, window = 48244833, from_configure = 0}, xmap = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, event = 929, window = 48244833, override_redirect = 0}, xmaprequest = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, parent = 929, window = 48244833}, xreparent = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, event = 929, window = 48244833, parent = 184683593728, x = 17706256, y = 0, override_redirect = 0}, xconfigure = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, event = 929, window = 48244833, x = 0, y = 43, width = 17706256, height = 0, border_width = 0, above = 0, override_redirect = 1}, xgravity = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, event = 929, window = 48244833, x = 0, y = 43}, xresizerequest = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, width = 48244833, height = 0}, xconfigurerequest = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, parent = 929, window = 48244833, x = 0, y = 43, width = 17706256, height = 0, border_width = 0, above = 0, detail = 1, value_mask = 0}, xcirculate = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, event = 929, window = 48244833, place = 0}, xcirculaterequest = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, parent = 929, window = 48244833, place = 0}, xproperty = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, atom = 48244833, time = 184683593728, state = 17706256}, xselectionclear = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, selection = 48244833, time = 184683593728}, xselectionrequest = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, owner = 929, requestor = 48244833, selection = 184683593728, target = 17706256, property = 0, time = 0}, xselection = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, requestor = 929, selection = 48244833, target = 184683593728, property = 17706256, time = 0}, xcolormap = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, colormap = 48244833, new = 0, state = 43}, xclient = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, message_type = 48244833, format = 0, data = {b = "\020-\016\001", '\000' <repeats 15 times>, s = {11536, 270, 0, 0, 0, 0, 0, 0, 0, 0}, l = {17706256, 0, 0, 1, 0}}}, xmapping = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, request = 48244833, first_keycode = 0, count = 0}, xerror = {type = 20, display = 0x65eb, resourceid = 0, serial = 94238549806560, error_code = 161 '\241', request_code = 3 '\003', minor_code = 0 '\000'}, xkeymap = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, window = 929, key_vector = "a(\340\002\000\000\000\000\000\000\000\000+\000\000\000\020-\016\001", '\000' <repeats 11 times>}, xgeneric = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, extension = 929, evtype = 0}, xcookie = {type = 20, serial = 26091, send_event = 0, display = 0x55b59f490de0, extension = 929, evtype = 0, cookie = 48244833, data = 0x2b00000000}, pad = {20, 26091, 0, 94238549806560, 929, 48244833, 184683593728, 17706256, 0, 0, 1, 0, 48, 94238551957440, 383, 0, 0, 1, 65, 94238551676176, 94238549759232, 32, 32, 94238549551264}}
        xdisplay = 0x55b59f490de0
        event_source = 0x55b59f4213e0
        display_x11 = 0x55b59f4a3100
#19 0x00007f449f1fe129 in gdk_display_get_event (display=display@entry=0x55b59f4a3100) at ././gdk/gdkdisplay.c:438
        __func__ = "gdk_display_get_event"
#20 0x00007f449f233b62 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at ././gdk/x11/gdkeventsource.c:363
        display = 0x55b59f4a3100
        event = <optimized out>
#21 0x00007f44a27d1377 in g_main_context_dispatch () from /tmp/apport_sandbox_88AF7K/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#22 0x00007f44a27d15e0 in ?? () from /tmp/apport_sandbox_88AF7K/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#23 0x00007f44a27d1902 in g_main_loop_run () from /tmp/apport_sandbox_88AF7K/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#24 0x00007f44a3f896dc in meta_run () at core/main.c:646
No locals.
#25 0x000055b59f0851a7 in main (argc=<optimized out>, argv=<optimized out>) at main.c:454
        ctx = <optimized out>
        error = 0x0
        ecode = <optimized out>