#0  0x00007fffeb97792f in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
#1  0x00007fffeb97952a in __GI_abort () at abort.c:89
#2  0x00007fffebd78cc5 in g_assertion_message (domain=domain@entry=0x7fffed472c4e "Gdk", file=file@entry=0x7fffed49a6d1 "gdkwindow-wayland.c", line=line@entry=742, func=func@entry=0x7fffed49a560 <__func__.65847> "gdk_wayland_window_attach_image", message=message@entry=0x55555a7e7750 "assertion failed: (_gdk_wayland_is_shm_surface (impl->staging_cairo_surface))") at gtestutils.c:2429
#3  0x00007fffebd78d5a in g_assertion_message_expr (domain=domain@entry=0x7fffed472c4e "Gdk", file=file@entry=0x7fffed49a6d1 "gdkwindow-wayland.c", line=line@entry=742, func=func@entry=0x7fffed49a560 <__func__.65847> "gdk_wayland_window_attach_image", expr=expr@entry=0x7fffed49a850 "_gdk_wayland_is_shm_surface (impl->staging_cairo_surface)") at gtestutils.c:2452
#4  0x00007fffed46ebe6 in gdk_wayland_window_attach_image (window=window@entry=0x555555ad31a0 [GdkWaylandWindow]) at gdkwindow-wayland.c:742
#5  0x00007fffed46ee1b in gdk_window_impl_wayland_end_paint (window=0x555555ad31a0 [GdkWaylandWindow]) at gdkwindow-wayland.c:910
#6  0x00007fffed424cc3 in gdk_window_end_paint_internal (window=window@entry=0x555555ad31a0 [GdkWaylandWindow]) at gdkwindow.c:3000
#7  0x00007fffed42501f in gdk_window_end_draw_frame (window=window@entry=0x555555ad31a0 [GdkWaylandWindow], context=context@entry=0x7fffc4042600 [GdkDrawingContext]) at gdkwindow.c:3268
#8  0x00007fffeda55343 in gtk_widget_render (widget=widget@entry=0x555559744380 [EMsgComposer], window=0x555555ad31a0 [GdkWaylandWindow], region=<optimized out>) at gtkwidget.c:17502
#9  0x00007fffed8f413a in gtk_main_do_event (event=0x7fffffffd680) at gtkmain.c:1813
#10 0x00007fffed40b435 in _gdk_event_emit (event=event@entry=0x7fffffffd680) at gdkevents.c:73
#11 0x00007fffed41bad8 in _gdk_window_process_updates_recurse_helper (window=0x555555ad31a0 [GdkWaylandWindow], expose_region=<optimized out>) at gdkwindow.c:3831
#12 0x00007fffed41ccd6 in gdk_window_process_updates_internal (window=0x555555ad31a0 [GdkWaylandWindow]) at gdkwindow.c:3977
#13 0x00007fffed41ced4 in gdk_window_process_updates_with_mode (window=<optimized out>, recurse_mode=<optimized out>) at gdkwindow.c:4174
#17 0x00007fffec04543f in <emit signal ??? on instance 0x55555580bcf0 [GdkFrameClockIdle]> (instance=instance@entry=0x55555580bcf0, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3447
    #14 0x00007fffec02a3e5 in g_closure_invoke (closure=0x55555a7a9980, return_value=return_value@entry=0x0, n_param_values=1, param_values=param_values@entry=0x7fffffffd950, invocation_hint=invocation_hint@entry=0x7fffffffd8d0) at gclosure.c:804
    #15 0x00007fffec03c432 in signal_emit_unlocked_R (node=node@entry=0x5555557f4dd0, detail=detail@entry=0, instance=instance@entry=0x55555580bcf0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffffffd950) at gsignal.c:3635
---Type <return> to continue, or q <return> to quit---
    #16 0x00007fffec04505f in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffffffdb10) at gsignal.c:3391
#18 0x00007fffed4143ef in _gdk_frame_clock_emit_paint (frame_clock=frame_clock@entry=0x55555580bcf0 [GdkFrameClockIdle]) at gdkframeclock.c:640
#19 0x00007fffed414ab9 in gdk_frame_clock_paint_idle (data=0x55555580bcf0) at gdkframeclockidle.c:430
#20 0x00007fffed3ffcf8 in gdk_threads_dispatch (data=data@entry=0x555555a63500) at gdk.c:743
#21 0x00007fffebd5288d in g_timeout_dispatch (source=0x5555558c8d50, callback=0x7fffed3ffcd0 <gdk_threads_dispatch>, user_data=0x555555a63500) at gmain.c:4674
#22 0x00007fffebd51e42 in g_main_dispatch (context=0x55555579d9c0) at gmain.c:3203
#23 0x00007fffebd51e42 in g_main_context_dispatch (context=context@entry=0x55555579d9c0) at gmain.c:3856
#24 0x00007fffebd521c0 in g_main_context_iterate (context=0x55555579d9c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3929
#25 0x00007fffebd524e2 in g_main_loop_run (loop=0x55555702c400) at gmain.c:4125
#26 0x00007fffed8f3325 in gtk_main () at gtkmain.c:1301
#27 0x0000555555557db9 in main (argc=<optimized out>, argv=<optimized out>) at main.c:662

