Shell crash
No good step to reproduce, just a backtrace (gnome-shell 3.30.2) :
Core was generated by `/usr/bin/gnome-shell'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f924fe233cf in shell_app_dispose (object=0x560ee839e000) at ../src/shell-app.c:1485
1485 ../src/shell-app.c: No such file or directory.
[Current thread is 1 (Thread 0x7f9245453cc0 (LWP 1967))]
(gdb) bt
#0 0x00007f924fe233cf in shell_app_dispose (object=0x560ee839e000) at ../src/shell-app.c:1485
#1 0x00007f924fbe9c13 in g_object_unref () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#2 0x00007f924faf2095 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f924faf29ce in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f924fe245cf in _shell_app_system_notify_app_state_changed (self=0x560ee64d1760, app=0x560ee839e000) at ../src/shell-app-system.c:375
#5 0x00007f924fe22008 in shell_app_state_transition (app=0x560ee839e000, state=<optimized out>) at ../src/shell-app.c:901
#6 0x00007f924fe2320b in _shell_app_remove_window (window=0x560ee7f4d790, app=0x560ee839e000) at ../src/shell-app.c:1110
#7 0x00007f924fe2320b in _shell_app_remove_window (app=0x560ee839e000, window=0x560ee7f4d790) at ../src/shell-app.c:1094
#8 0x00007f924fbe4b6d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9 0x00007f924fbf78f3 in () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#10 0x00007f924fc00882 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#11 0x00007f924fc00ecf in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x00007f924efac34d in meta_window_unmanage () at /usr/lib/x86_64-linux-gnu/libmutter-3.so.0
#13 0x00007f924efeb593 in meta_wayland_surface_destroy_window () at /usr/lib/x86_64-linux-gnu/libmutter-3.so.0
#14 0x00007f924eff3fc9 in () at /usr/lib/x86_64-linux-gnu/libmutter-3.so.0
#15 0x00007f924b6b51be in () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
#16 0x00007f924b6b521e in wl_resource_destroy () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
#17 0x00007f924d74ffce in ffi_call_unix64 () at /usr/lib/x86_64-linux-gnu/libffi.so.6
#18 0x00007f924d74f93f in ffi_call () at /usr/lib/x86_64-linux-gnu/libffi.so.6
#19 0x00007f924b6b8b2d in () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
#20 0x00007f924b6b55a9 in () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
#21 0x00007f924b6b6b72 in wl_event_loop_dispatch () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
#22 0x00007f924efd5d07 in () at /usr/lib/x86_64-linux-gnu/libmutter-3.so.0
#23 0x00007f924fb04c3e in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f924fb04ed8 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f924fb051d2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f924ef9cf2c in meta_run () at /usr/lib/x86_64-linux-gnu/libmutter-3.so.0
#27 0x0000560ee3d83782 in main (argc=<optimized out>, argv=<optimized out>) at ../src/main.c:501
Edited by Lionel Landwerlin