Comment # 1 on bug 975879 from Herbert Meier

This bug is also present in Leap 42.2
plymouth-0.9.2-2.2.x86_64

Stack trace has one more entry but it looks like the same issue:
#0  ply_event_loop_get_destination_from_fd_watch (loop=0x7974742f7665642f,
watch=0x21) at ply-event-loop.c:449
#1  0x00007fc62f5c01db in ply_event_loop_stop_watching_fd
(loop=0x7974742f7665642f, watch=0x21) at ply-event-loop.c:750
#2  0x00007fc62f3ac84c in ply_terminal_close (terminal=0x1779cc0) at
ply-terminal.c:686
#3  0x00007fc62f5c3c33 in ply_hashtable_foreach (hashtable=0x17798e0,
func=0x7fc62f3ac7c0 <ply_terminal_close>, user_data=0x1779f20) at
ply-hashtable.c:268
#4  0x00007fc62f3a9573 in ply_close_all_terminals (manager=<optimized out>) at
ply-device-manager.c:933
#5  0x000000000040c1e8 in quit_splash (state=state@entry=0x7ffc8782b990) at
main.c:1064
#6  0x000000000040d8cf in on_boot_splash_idle (state=0x7ffc8782b990) at
main.c:1196
#7  0x00007fc62f5c0d02 in ply_event_loop_handle_timeouts (loop=0x1774150) at
ply-event-loop.c:1192
#8  ply_event_loop_process_pending_events (loop=loop@entry=0x1774150) at
ply-event-loop.c:1251
#9  0x00007fc62f5c12f0 in ply_event_loop_run (loop=0x1774150) at
ply-event-loop.c:1310
#10 0x00000000004055bf in main (argc=<optimized out>, argv=<optimized out>) at
main.c:2236