gksu crashed with SIGSEGV in g_closure_invoke()

[Marcin]

Binary package hint: gksu

This bug is always display after login

ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/bin/gksu
NonfreeKernelModules: nvidia
Package: gksu 2.0.0-5ubuntu3
ProcAttrCurrent: unconfined
ProcCmdline: /usr/bin/gksu --message <span\ weight="bold"\ size="larger">Proszę\ wprowadzić\ hasło,\ aby\ uzyskać\ dostęp\ do\ raportów\ problemów\ w\ systemie</span> /usr/share/apport/apport-gtk
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: gksu
StacktraceTop:
 ?? () from /usr/lib/libgksu2.so.0
 ?? () from /usr/lib/libgksu2.so.0
 g_closure_invoke ()
 ?? () from /usr/lib/libgobject-2.0.so.0
 g_signal_emit_valist ()
Title: gksu crashed with SIGSEGV in g_closure_invoke()
Uname: Linux 2.6.27-7-generic x86_64
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev pulse-access pulse-rt video