Comment # 3 on bug 1013200 from Patrick Schaaf

Package version info:

sddm-0.13.0-8.1.x86_64
plymouth-0.9.2-2.2.x86_64
xorg-x11-server-7.6_1.18.3-4.1.x86_64

coredumpctl info on the two attached dumps:

           PID: 460 (plymouthd)
           UID: 0 (root)
           GID: 0 (root)
        Signal: 11 (SEGV)
     Timestamp: Fr 2016-12-02 08:49:50 CET (18min ago)
  Command Line: @usr/sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid
--attach-to-session
    Executable: /usr/sbin/plymouthd
 Control Group: /system.slice/plymouth-start.service
          Unit: plymouth-start.service
         Slice: system.slice
       Boot ID: 0320a6fa27864214b4d62ed7b7d04dcd
    Machine ID: dbe28f0435b4a756350d2ade583c427a
      Hostname: linux
      Coredump:
/var/lib/systemd/coredump/core.plymouthd.0.0320a6fa27864214b4d62ed7b7d04dcd.460.1480664990000000.xz
       Message: Process 460 (plymouthd) of user 0 dumped core.

           PID: 1974 (sddm-greeter)
           UID: 481 (sddm)
           GID: 479 (sddm)
        Signal: 6 (ABRT)
     Timestamp: Fr 2016-12-02 08:50:08 CET (17min ago)
  Command Line: /usr/bin/sddm-greeter --socket /tmp/sddm-:0-NUwyJj --theme
/usr/share/sddm/themes/breeze-openSUSE
    Executable: /usr/bin/sddm-greeter
 Control Group: /user.slice/user-481.slice/session-1.scope
          Unit: session-1.scope
         Slice: user-481.slice
       Session: 1
     Owner UID: 481 (sddm)
       Boot ID: 0320a6fa27864214b4d62ed7b7d04dcd
    Machine ID: dbe28f0435b4a756350d2ade583c427a
      Hostname: rofl
      Coredump:
/var/lib/systemd/coredump/core.sddm-greeter.481.0320a6fa27864214b4d62ed7b7d04dcd.1974.1480665008000000.xz
       Message: Process 1974 (sddm-greeter) of user 481 dumped core.