plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Chris]

Binary package hint: plymouth

it crashes after login

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: plymouth 0.8.2-2ubuntu5.1
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic x86_64
Architecture: amd64
CrashCounter: 1
Date: Thu Jan 13 14:19:17 2011
DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
ExecutablePath: /sbin/plymouthd
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MachineType: Hewlett-Packard HP ProBook 6540b
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-24-generic root=UUID=99030b60-a1d0-44fe-bc60-673229fde59b ro quiet splash
ProcCmdline: /sbin/plymouthd --mode=boot --attach-to-session
ProcEnviron: PATH=(custom, no user)
ProcFB: 0 inteldrmfb
SegvAnalysis:
 Segfault happened at: 0x7f5622bf2cd0 <script_obj_deref_direct>: cmpl $0x1,(%rdi)
 PC (0x7f5622bf2cd0) ok
 source "$0x1" ok
 destination "(%rdi)" (0x726f207465792079) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: plymouth
StacktraceTop:
 script_obj_deref_direct () from /lib/plymouth/script.so
 script_obj_as_custom () from /lib/plymouth/script.so
 script_execute_object () from /lib/plymouth/script.so
 script_lib_plymouth_on_message () from /lib/plymouth/script.so
 ?? () from /lib/plymouth/script.so
TextPlymouth: /lib/plymouth/themes/kubuntu-text/kubuntu-text.plymouth
Title: plymouthd crashed with SIGSEGV in script_obj_deref_direct()
UserGroups:

dmi.bios.date: 05/25/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68CDD Ver. F.09
dmi.board.name: 1722
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 29.31
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68CDDVer.F.09:bd05/25/2010:svnHewlett-Packard:pnHPProBook6540b:pvr:rvnHewlett-Packard:rn1722:rvrKBCVersion29.31:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP ProBook 6540b
dmi.sys.vendor: Hewlett-Packard

[Apport retracing service (apport)]

StacktraceTop:
 script_obj_deref_direct (obj=0x726f207465792079) at ./script-object.c:132
 script_obj_as_custom (obj=0x726f207465792079,
 script_execute_object (state=0x138b320,
 script_lib_plymouth_on_message (state=0x138b320,
 display_message (plugin=0x138ce00,