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

Binary package hint: gnome-screensaver

Gnome screensaver some times crashes, I have Nvidia video card.

ProblemType: Crash
Architecture: amd64
CrashCounter: 1
Date: Sun Feb 14 20:21:06 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/lib/gnome-screensaver/gnome-screensaver-gl-helper
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100113)
NonfreeKernelModules: nvidia
Package: gnome-screensaver 2.29.90-0ubuntu1
ProcCmdline: /usr/lib/gnome-screensaver/gnome-screensaver-gl-helper
ProcEnviron:
 PATH=(custom, no user)
 LANG=es_AR.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-13.18-generic
SegvAnalysis:
 Segfault happened at: 0x7fd42052f210: mov (%rax),%r12d
 PC (0x7fd42052f210) ok
 source "(%rax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%r12d" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-screensaver
StacktraceTop:
 ?? () from /usr/lib/nvidia-current/libGL.so.1
 _fini () from /usr/lib/nvidia-current/libGL.so.1
 _dl_fini () at dl-fini.c:248
 __run_exit_handlers (status=0) at exit.c:78
 *__GI_exit (status=0) at exit.c:100
Title: gnome-screensaver-gl-helper crashed with SIGSEGV in _fini()
Uname: Linux 2.6.32-13-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
WindowManager: gnome-wm
XsessionErrors:
 (gnome-settings-daemon:1885): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (polkit-gnome-authentication-agent-1:1904): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed