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

Binary package hint: gnome-screensaver

Occurred after Gusty > Hardy upgrade. Screen saver had not run, just showed when i checked crash log on first boot [after python 2.4 had caused a failure on reboot]

Linux 2.6.24-19-rt #1 SMP PREEMPT RT Thu Aug 21 02:08:03 UTC 2008 i686 GNU/Linux
Description: Ubuntu 8.04.1
Release: 8.04

Note also that on boot, GDM said it couldn't find my GDM theme, maybe this is related?

ProblemType: Crash
Architecture: i386
Date: Sun Oct 5 19:14:16 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/lib/gnome-screensaver/gnome-screensaver-gl-helper
NonfreeKernelModules: fglrx
Package: gnome-screensaver 2.22.2-0ubuntu1
PackageArchitecture: i386
ProcCmdline: /usr/lib/gnome-screensaver/gnome-screensaver-gl-helper
ProcEnviron:
 PATH=/home/username/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/lib/gnome-screensaver/gnome-screensaver:/usr/lib/xscreensaver:/usr/lib/xscreensaver
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: gnome-screensaver
StacktraceTop:
 ?? () from /lib/ld-linux.so.2
 ?? () from /lib/libdl.so.2
 ?? () from /lib/ld-linux.so.2
 ?? () from /lib/libdl.so.2
 dlclose () from /lib/libdl.so.2
Title: gnome-screensaver-gl-helper crashed with SIGSEGV in dlclose()
Uname: Linux 2.6.24-19-rt i686
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin mythtv netdev plugdev powerdev scanner video