#0  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50
  [Error: raise.c was not found in source tree]
#1  0x0000557bd3a3252a in dump_gjs_stack_on_signal_handler ()
#2  <signal handler called>
#3  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
  [Error: raise.c was not found in source tree]
#4  0x00007f85014cf899 in __GI_abort () at abort.c:79
  [Error: abort.c was not found in source tree]
#5  0x00007f8502267b43 in g_assertion_message.cold () from /tmp/apport_sandbox_hkmtkw7w/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6303.0
#6  0x00007f850175f27e in set_workspace_state (window=0x557bd733f910, on_all_workspaces=0, workspace=0x0) at ../src/core/window.c:4853
  [Error: window.c was not found in source tree]
#7  0x00007f8501765308 in _meta_window_shared_new (display=display@entry=0x557bd4dc0030, client_type=client_type@entry=META_WINDOW_CLIENT_TYPE_X11, surface=surface@entry=0x0, xwindow=xwindow@entry=67110072, existing_wm_state=existing_wm_state@entry=0, effect=effect@entry=META_COMP_EFFECT_CREATE, attrs=<optimized out>) at ../src/core/window.c:1329
  [Error: window.c was not found in source tree]
#8  0x00007f8501784bd4 in meta_window_x11_new (display=display@entry=0x557bd4dc0030, xwindow=67110072, must_be_viewable=must_be_viewable@entry=0, effect=effect@entry=META_COMP_EFFECT_CREATE) at ../src/x11/window-x11.c:3481
  [Error: window-x11.c was not found in source tree]
#9  0x00007f85017712d1 in handle_other_xevent (x11_display=x11_display@entry=0x557bd4f91200, event=event@entry=0x7ffeeeedcdb0) at ../src/x11/events.c:1407
  [Error: events.c was not found in source tree]
#10 0x00007f8501771b3b in meta_x11_display_handle_xevent (event=0x7ffeeeedcdb0, x11_display=0x557bd4f91200) at ../src/x11/events.c:1857
  [Error: events.c was not found in source tree]
#11 xevent_filter (xevent=0x7ffeeeedcdb0, event=<optimized out>, data=0x557bd4f91200) at ../src/x11/events.c:1899
  [Error: events.c was not found in source tree]
#12 0x00007f85013b5f6f in gdk_event_apply_filters () from /tmp/apport_sandbox_hkmtkw7w/usr/lib/x86_64-linux-gnu/libgdk-3.so.0.2404.9
#13 0x00007f85013b629b in _gdk_x11_display_queue_events () from /tmp/apport_sandbox_hkmtkw7w/usr/lib/x86_64-linux-gnu/libgdk-3.so.0.2404.9
#14 0x00007f850137e094 in gdk_display_get_event () from /tmp/apport_sandbox_hkmtkw7w/usr/lib/x86_64-linux-gnu/libgdk-3.so.0.2404.9
#15 0x00007f85013b6006 in gdk_event_source_dispatch () from /tmp/apport_sandbox_hkmtkw7w/usr/lib/x86_64-linux-gnu/libgdk-3.so.0.2404.9
#16 0x00007f850229becd in g_main_context_dispatch () from /tmp/apport_sandbox_hkmtkw7w/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6303.0
#17 0x00007f850229c150 in g_main_context_iterate.isra () from /tmp/apport_sandbox_hkmtkw7w/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6303.0
#18 0x00007f850229c443 in g_main_loop_run () from /tmp/apport_sandbox_hkmtkw7w/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6303.0
#19 0x00007f850174e390 in meta_run () at ../src/core/main.c:676
#20 0x0000557bd3a31d85 in main ()