plymouthd crashed with SIGSEGV in ply_trigger_add_handler()

[Maurizio]

....

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: plymouth 0.8.8-0ubuntu6
ProcVersionSignature: Ubuntu 3.8.0-15.25-generic 3.8.4
Uname: Linux 3.8.0-15-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu5
Architecture: amd64
Date: Sat Mar 30 21:31:50 2013
DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
ExecutablePath: /sbin/plymouthd
InstallationDate: Installed on 2013-02-11 (46 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
MarkForUpload: True
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-15-generic root=UUID=f2cfcb43-0868-4f6f-ab74-f3d2e9ab4dbe ro splash quiet
ProcCmdline: @sbin/plymouthd --mode=boot --attach-to-session
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-15-generic root=UUID=f2cfcb43-0868-4f6f-ab74-f3d2e9ab4dbe ro splash quiet
SegvAnalysis:
 Segfault happened at: 0x7f1d2bd19e8b <ply_trigger_add_handler+43>: mov (%rbx),%rdi
 PC (0x7f1d2bd19e8b) 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: Upgraded to raring on 2013-03-27 (3 days ago)
UserGroups:

dmi.bios.date: 04/23/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.20
dmi.board.name: N68C-S UCC
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.20:bd04/23/2010:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnN68C-SUCC:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #864430, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.