xfce4 crashes randomly

[MarkII]

Binary package hint: xfce4-power-manager

Description: Ubuntu karmic (development branch)
Release: 9.10

ProblemType: Crash
Architecture: i386
CrashCounter: 1
Date: Wed Aug 26 14:22:47 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/xfce4-power-manager
Package: xfce4-power-manager 0.8.3.1-1
ProcCmdline: xfce4-power-manager --restart --sm-client-id 295f14911-79db-4e78-b862-2a9ba767a8d5
ProcEnviron:
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-7.27-generic
Signal: 5
SourcePackage: xfce4-power-manager
StacktraceTop:
 client_session_set_client_id ()
 ?? ()
 ?? ()
 __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
 ?? ()
Title: xfce4-power-manager crashed with signal 5 in client_session_set_client_id()
Uname: Linux 2.6.31-7-generic i686
UserGroups: