xfce4-panel-4.13.6-2.fc30.x86_64 crashed

[Robert Moskowitz]

Just got an update, and decided that with all in the update, I better 
power cycle.

On login, I got a crash of panel.  I checked messages and see:

Aug 16 15:42:13 lx140e audit[1692]: ANOM_ABEND auid=1000 uid=1000 
gid=1000 ses=2 
subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 pid=1692 
comm="xfce4-panel" 
exe=2F7573722F62696E2F78666365342D70616E656C202864656C6574656429 sig=11 
res=1

Aug 16 15:42:13 lx140e kernel: xfce4-panel[1692]: segfault at 1d ip 
00007f289da2b15d sp 00007ffc87bd1cc0 error 4 in 
libglib-2.0.so.0.6000.6[7f289d9d8000+82000]

Aug 16 15:42:17 lx140e systemd-coredump[13873]: Process 1692 
(xfce4-panel) of user 1000 dumped core.#012#012Stack trace of thread 
1692:#012#0  0x00007f289da2b15d g_slice_alloc (libglib-2.0.so.0)#012#1  
0x00007f289db060ff n/a (libgobject-2.0.so.0)#012#2  0x00007f289db0623a 
n/a (libgobject-2.0.so.0)#012#3  0x00007f289db0fb1b 
g_signal_handlers_disconnect_matched (libgobject-2.0.so.0)#012#4 
0x00007f289df0048d n/a (libgdk-3.so.0)#012#5  0x00007f289daf9cf0 
g_object_unref (libgobject-2.0.so.0)#012#6  0x00007f289e209da3 n/a 
(libgtk-3.so.0)#012#7  0x00007f289daf4996 n/a 
(libgobject-2.0.so.0)#012#8  0x00007f289db111c8 g_signal_emit_valist 
(libgobject-2.0.so.0)#012#9  0x00007f289db11973 g_signal_emit 
(libgobject-2.0.so.0)#012#10 0x00007f289e344c83 gtk_widget_unrealize 
(libgtk-3.so.0)#012#11 0x00007f289e35151d gtk_widget_unparent 
(libgtk-3.so.0)#012#12 0x00007f289e20ddcf n/a (libgtk-3.so.0)#012#13 
0x00007f289e1fe7ce n/a (libgtk-3.so.0)#012#14 0x00007f289daf7e43 
g_cclosure_marshal_VOID__OBJECTv (libgobject-2.0.so.0)#012#15 
0x00007f289daf4996 n/a (libgobject-2.0.so.0)#012#16 0x00007f289db111c8 
g_signal_emit_valist (libgobject-2.0.so.0)#012#17 0x00007f289db11973 
g_signal_emit (libgobject-2.0.so.0)#012#18 0x00007f289e1280dc 
gtk_container_remove (libgtk-3.so.0)#012#19 0x00007f289e347558 n/a 
(libgtk-3.so.0)#012#20 0x00007f289dafb496 g_object_run_dispose 
(libgobject-2.0.so.0)#012#21 0x00007f289da091a0 g_list_foreach 
(libglib-2.0.so.0)#012#22 0x00007f289da091cf g_list_free_full 
(libglib-2.0.so.0)#012#23 0x00007f289a70cadd n/a 
(/usr/lib64/libgarcon-gtk3-1.so.0.0.0 (deleted))

Aug 16 15:42:22 lx140e abrt-notification[13948]: Process 1692 
(xfce4-panel) crashed in g_slice_alloc()