Version-Release number of selected component:
imsettings-1.7.3-6.fc29

Additional info:
reporter:       libreport-2.10.0
backtrace_rating: 4
cmdline:        /usr/libexec/imsettings-daemon
crash_function: g_atomic_ref_count_compare
executable:     /usr/libexec/imsettings-daemon
global_pid:     3412
kernel:         5.0.17-200.fc29.x86_64
runlevel:       N 5
type:           CCpp
uid:            0

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 g_atomic_ref_count_compare at grefcount.c:284
 #1 g_hash_table_lookup_node at ghash.c:1371
 #2 g_hash_table_remove_internal at ghash.c:1371
 #3 xfconf_cache_set_property_reply_handler at xfconf-cache.c:620
 #4 g_task_return_now at gtask.c:1148
 #5 g_task_return at gtask.c:1206
 #6 reply_cb at gdbusproxy.c:2586
 #7 g_task_return_now at gtask.c:1148
 #8 g_task_return at gtask.c:1206
 #9 g_dbus_connection_call_done at gdbusconnection.c:5713