update-manager crashed with SIGSEGV in _PyObject_GC_Malloc()

[ubby]

Binary package hint: update-manager

The update manager crashed but I don't know why.
I am using Ubuntu 8.04 - de Hardy Heron.

ProblemType: Crash
Architecture: i386
Date: Mon Jul 14 19:14:19 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/update-manager
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: fglrx
Package: update-manager 1:0.87.27
PackageArchitecture: all
ProcCmdline: /usr/bin/python2.5 /usr/bin/update-manager
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=nl_NL.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: update-manager
StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 _PyObject_GC_Malloc ()
 PyType_GenericAlloc ()
Title: update-manager crashed with SIGSEGV in _PyObject_GC_Malloc()
Uname: Linux 2.6.24-19-generic i686
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev pulse pulse-access pulse-rt video