Description of problem: I logged in, and got a message from abrt that the panel has crashed. Version-Release number of selected component: mate-panel-1.9.90-1.fc22 Additional info: reporter: libreport-2.4.0 backtrace_rating: 4 cmdline: mate-panel crash_function: g_type_check_instance_cast executable: /usr/bin/mate-panel kernel: 4.0.0-0.rc4.git0.1.fc22.x86_64 runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (9 frames) #0 g_type_check_instance_cast at gtype.c:4060 #1 container_child_background_set at mate-panel-applet-frame-dbus.c:235 #2 g_simple_async_result_complete at gsimpleasyncresult.c:763 #3 set_applet_property_cb at mate-panel-applet-container.c:560 #4 g_simple_async_result_complete at gsimpleasyncresult.c:763 #5 g_dbus_connection_call_done at gdbusconnection.c:5502 #6 g_simple_async_result_complete at gsimpleasyncresult.c:763 #7 complete_in_idle_cb at gsimpleasyncresult.c:775 #12 gtk_main at gtkmain.c:1268 Potential duplicate: bug 1076934
Created attachment 1004241 [details] File: backtrace
Created attachment 1004242 [details] File: cgroup
Created attachment 1004243 [details] File: core_backtrace
Created attachment 1004244 [details] File: dso_list
Created attachment 1004245 [details] File: environ
Created attachment 1004246 [details] File: limits
Created attachment 1004247 [details] File: maps
Created attachment 1004248 [details] File: open_fds
Created attachment 1004249 [details] File: proc_pid_status
Created attachment 1004250 [details] File: var_log_messages
Potentially a duplicate of https://bugzilla.redhat.com/show_bug.cgi?id=1192722, I don't see it since mate-panel-1.9.90-2.fc22 update. *** This bug has been marked as a duplicate of bug 1192722 ***