https://bugzilla.gnome.org/show_bug.cgi?id=773274
--- Comment #13 from Olivier Fourdan <[email protected]> ---
(In reply to Ray Strode [halfline] from comment #12)
> but under what circumstance is drop_cairo_surfaces getting called before
> end_paint ?
When the client is resized, from gdk_wayland_window_update_size(), which
explains the reproducer from bug 773307 (which I used to investigate this one,
so I reckon both are the same issue)
Adding traces in gdk_window_impl_wayland_end_paint(), drop_cairo_surfaces(),
gdk_wayland_window_update_size(), and gdk_wayland_window_destroy() (the last
tow being the only caller of drop_cairo_surfaces()) shows:
gdk_wayland_window_update_size() window 0x1c473440 surface (nil)
drop_cairo_surfaces() window 0x1c473440 surface (nil)
gdk_wayland_window_update_size() window 0x1c473440 surface (nil)
drop_cairo_surfaces() window 0x1c473440 surface (nil)
gdk_window_impl_wayland_end_paint() window 0x1c473440 surface 0x1c61e590
gdk_window_impl_wayland_end_paint() window 0x1c473440 surface 0x1c61e590
gdk_wayland_window_update_size() window 0x1c473440 surface 0x1c61e590
drop_cairo_surfaces() window 0x1c473440 surface 0x1c61e590
gdk_wayland_window_update_size() window 0x1c473440 surface 0x1c75e430
drop_cairo_surfaces() window 0x1c473440 surface 0x1c75e430
gdk_wayland_window_update_size() window 0x1c473440 surface (nil)
drop_cairo_surfaces() window 0x1c473440 surface (nil)
gdk_wayland_window_update_size() window 0x1c473440 surface (nil)
drop_cairo_surfaces() window 0x1c473440 surface (nil)
gdk_window_impl_wayland_end_paint() window 0x1c473440 surface (nil)
Segmentation fault (core dumped)
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