#9 0x00007f7a0a920056 in g_assertion_message
(domain=domain@entry=0x7f7a09fc1014 "libmutter", file=file@entry=0x7f7a09fd9cf2 "../src/core/window.c", line=line@entry=1554, func=func@entry=0x7f7a09fdb640 <__func__.55> "meta_window_unmanage", message=message@entry=0x557dd8f74400 "assertion failed: (g_list_find (workspace->windows, window) == NULL)") at ../glib/gtestutils.c:3497
#10 0x00007f7a0a981ad7 in g_assertion_message_expr
(domain=domain@entry=0x7f7a09fc1014 "libmutter", file=file@entry=0x7f7a09fd9cf2 "../src/core/window.c", line=line@entry=1554, func=func@entry=0x7f7a09fdb640 <__func__.55> "meta_window_unmanage", expr=expr@entry=0x7f7a09fdb000 "g_list_find (workspace->windows, window) == NULL") at ../glib/gtestutils.c:3523
#11 0x00007f7a09ef80d2 in meta_window_unmanage (window=0x557dd8ba17f0, timestamp=<optimized out>) at ../src/core/window.c:1554
#12 0x00007f7a09f6f568 in meta_wayland_shell_surface_destroy_window (shell_surface=<optimized out>) at ../src/wayland/meta-wayland-shell-surface.c:312
#13 0x00007f7a09f74b9d in xdg_toplevel_destructor (resource=<optimized out>) at ../src/wayland/meta-wayland-xdg-shell.c:212
#14 0x00007f7a07f14791 in destroy_resource () at /lib64/libwayland-server.so.0
#15 0x00007f7a07f1672a in wl_resource_destroy () at /lib64/libwayland-server.so.0
#16 0x00007f7a092dd056 in ffi_call_unix64 () at /lib64/libffi.so.8
#17 0x00007f7a092d95ef in ffi_call_int.lto_priv () at /lib64/libffi.so.8
#18 0x00007f7a092dc3fe in ffi_call () at /lib64/libffi.so.8
#19 0x00007f7a07f11843 in wl_closure_invoke.constprop () at /lib64/libwayland-server.so.0
#20 0x00007f7a07f160b4 in wl_client_connection_data () at /lib64/libwayland-server.so.0
#21 0x00007f7a07f148e2 in wl_event_loop_dispatch () at /lib64/libwayland-server.so.0
#22 0x00007f7a09f5590b in wayland_event_source_dispatch (base=<optimized out>, callback=<optimized out>, data=<optimized out>) at ../src/wayland/meta-wayland.c:124
#23 0x00007f7a0a95be5c in g_main_dispatch (context=0x557dd30039c0) at ../glib/gmain.c:3476
#24 g_main_context_dispatch_unlocked (context=0x557dd30039c0) at ../glib/gmain.c:4284
#25 0x00007f7a0a9b6f18 in g_main_context_iterate_unlocked.isra.0 (context=0x557dd30039c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4349
#26 0x00007f7a0a95d447 in g_main_loop_run (loop=0x557dd37585a0) at ../glib/gmain.c:4551
Reproduction steps:
Install PIP extension
Play Firefox YT video, make it PIP
Switch clips
Close PIP
I was redirected to report it there. Original Mutter issue: https://gitlab.gnome.org/GNOME/mutter/-/issues/3228
If https://extensions.gnome.org/extension/4691/pip-on-top/ PIP extension is installed on Fedora 39 and PIP is used by Firefox, when PIP window is closed while Mutter session crashes:
Reproduction steps:
Install PIP extension Play Firefox YT video, make it PIP Switch clips Close PIP
Crashes in 1 of 10 cases.