gnome-screensaver-gl-helper crashed with SIGSEGV in exit()

[Akoley Marc]

Binary package hint: gnome-screensaver

System:
Description: Ubuntu lucid (development branch)
Release: 10.04

package version
gnome-screensaver:
  Installé : 2.29.90-0ubuntu1
  Candidat : 2.29.90-0ubuntu1

i launch gnome screensaver to change some option. Nothing happen, i just got a crash notification windows

ProblemType: Crash
Architecture: i386
CheckboxSubmission: 491f9131ba1254ac60fb3deba24e3f29
CheckboxSystem: e704f33cc0866ff0f0256a33de39ea1c
Date: Wed Feb 10 08:55:11 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/lib/gnome-screensaver/gnome-screensaver-gl-helper
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Package: gnome-screensaver 2.29.90-0ubuntu1
ProcCmdline: /usr/lib/gnome-screensaver/gnome-screensaver-gl-helper
ProcEnviron:
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-17.54-generic
SegvAnalysis:
 Segfault happened at: 0x5aed68: mov (%eax),%esi
 PC (0x005aed68) ok
 source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%esi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-screensaver
StacktraceTop:
 ?? () from /usr/lib/nvidia-current/libGL.so.1
 ?? () from /lib/tls/i686/cmov/libc.so.6
 exit () from /lib/tls/i686/cmov/libc.so.6
 __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
 ?? ()
Title: gnome-screensaver-gl-helper crashed with SIGSEGV in exit()
Uname: Linux 2.6.31-17-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
WindowManager: metacity

[Apport retracing service (apport)]

StacktraceTop:
 ?? ()
 __run_exit_handlers (status=-1216554960, listp=0x7c4324,
 *__GI_exit (status=0) at exit.c:100
 __libc_start_main (main=0x8048cd0 <main>, argc=1,
 _start ()