plymouthd crashed with SIGSEGV in ply_trigger_add_handler()

The message came after I booted my system...
priyantha@priyantha-HP-EliteBook-8560w:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=13.04
DISTRIB_CODENAME=raring
DISTRIB_DESCRIPTION="Ubuntu Raring Ringtail (development branch)"

priyantha@priyantha-HP-EliteBook-8560w:~$ uname -a
Linux priyantha-HP-EliteBook-8560w 3.8.0-2-generic #6-Ubuntu SMP Fri Jan 25 22:03:57 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

priyantha@priyantha-HP-EliteBook-8560w:~$ apt-cache policy plymouth
plymouth:
  Geïnstalleerd: 0.8.8-0ubuntu5
  Kandidaat: 0.8.8-0ubuntu5
  Versietabel:
 *** 0.8.8-0ubuntu5 0
        500 http://archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
        500 http://nl.archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: plymouth 0.8.8-0ubuntu5
ProcVersionSignature: Ubuntu 3.8.0-2.6-generic 3.8.0-rc4
Uname: Linux 3.8.0-2-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.8-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Mon Jan 28 22:02:53 2013
DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
ExecutablePath: /sbin/plymouthd
InstallationDate: Installed on 2012-12-30 (29 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20121230)
MachineType: Hewlett-Packard HP EliteBook 8560w
MarkForUpload: True
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-2-generic root=UUID=95fff717-2db5-4d22-ac43-6a2a72d7a2d2 ro quiet splash
ProcCmdline: @sbin/plymouthd --mode=boot --attach-to-session
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-2-generic root=UUID=95fff717-2db5-4d22-ac43-6a2a72d7a2d2 ro quiet splash
SegvAnalysis:
 Segfault happened at: 0x7f84f3b91e8b <ply_trigger_add_handler+43>: mov (%rbx),%rdi
 PC (0x7f84f3b91e8b) ok
 source "(%rbx)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: plymouth
StacktraceTop:
 ply_trigger_add_handler () from /lib/x86_64-linux-gnu/libply.so.2
 ?? ()
 ply_event_loop_process_pending_events () from /lib/x86_64-linux-gnu/libply.so.2
 ply_event_loop_run () from /lib/x86_64-linux-gnu/libply.so.2
 ?? ()
TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
Title: plymouthd crashed with SIGSEGV in ply_trigger_add_handler()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 06/07/2012
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68SVD Ver. F.26
dmi.board.name: 1631
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 01.3B
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68SVDVer.F.26:bd06/07/2012:svnHewlett-Packard:pnHPEliteBook8560w:pvrA0001D02:rvnHewlett-Packard:rn1631:rvrKBCVersion01.3B:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 8560w
dmi.product.version: A0001D02
dmi.sys.vendor: Hewlett-Packard