Version-Release number of selected component: mate-control-center-1.20.3-1.fc28 Additional info: reporter: libreport-2.9.5 backtrace_rating: 4 cmdline: mate-appearance-properties --show-page=background crash_function: g_type_check_instance_is_fundamentally_a executable: /usr/bin/mate-appearance-properties journald_cursor: s=9b5b667da2e64c5b8c7bac878c6017fd;i=7b0d;b=0d3c6a68db8349ea9cbf58db889881a6;m=895f0458;t=57696bd5e3f07;x=363a1e57d6e5c415 kernel: 4.18.9-200.fc28.x86_64 rootdir: / runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (5 frames) #0 g_type_check_instance_is_fundamentally_a at gtype.c:4026 #1 g_object_ref at gobject.c:3206 #2 g_weak_ref_get at gobject.c:4381 #3 g_settings_backend_invoke_closure at gsettingsbackend.c:263 #9 gtk_main at gtkmain.c:1323 Potential duplicate: bug 1558633
Created attachment 1486276 [details] File: backtrace
Created attachment 1486277 [details] File: cgroup
Created attachment 1486278 [details] File: core_backtrace
Created attachment 1486279 [details] File: cpuinfo
Created attachment 1486280 [details] File: dso_list
Created attachment 1486281 [details] File: environ
Created attachment 1486282 [details] File: exploitable
Created attachment 1486283 [details] File: limits
Created attachment 1486284 [details] File: maps
Created attachment 1486285 [details] File: mountinfo
Created attachment 1486286 [details] File: open_fds
Created attachment 1486287 [details] File: proc_pid_status
No description, no steps to reproduce!