xfce4-power-manager crashed with SIGSEGV in SmcCloseConnection()

[mrDoctorWho]

crash after autostart

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: xfce4-power-manager 1.0.10-5ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic-pae 3.2.9
Uname: Linux 3.2.0-18-generic-pae i686
ApportVersion: 1.94.1-0ubuntu2
Architecture: i386
Date: Wed Mar 14 17:48:18 2012
ExecutablePath: /usr/bin/xfce4-power-manager
InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Beta i386 (20120228)
ProcCmdline: xfce4-power-manager
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=ru_RU.UTF-8
 LANGUAGE=ru:en
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb6b80c42 <SmcCloseConnection+162>: movb $0xb,0x1(%eax)
 PC (0xb6b80c42) ok
 source "$0xb" ok
 destination "0x1(%eax)" (0x00000001) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: xfce4-power-manager
StacktraceTop:
 SmcCloseConnection () from /usr/lib/i386-linux-gnu/libSM.so.6
 xfce_sm_client_disconnect () from /usr/lib/libxfce4ui-1.so.0
 ?? () from /usr/lib/libxfce4ui-1.so.0
 g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? ()
Title: xfce4-power-manager crashed with SIGSEGV in SmcCloseConnection()
UpgradeStatus: Upgraded to precise on 2012-03-14 (0 days ago)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 SmcCloseConnection (smcConn=0xb9391a60, count=0, reasonMsgs=0x0) at ../../src/sm_client.c:303
 IA__xfce_sm_client_disconnect (sm_client=0xb9384880) at xfce-sm-client.c:1719
 xfce_sm_client_finalize (obj=0xb9384880) at xfce-sm-client.c:590
 g_object_unref (_object=0xb9384880) at /build/buildd/glib2.0-2.31.20/./gobject/gobject.c:3018
 xfpm_manager_finalize (object=0xb9388698) at xfpm-manager.c:133

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Thaddaeus Tintenfisch (thad-fisch-deactivatedaccount)]

https://bugzilla.redhat.com/show_bug.cgi?id=914893 (expired)

[Thaddaeus Tintenfisch (thad-fisch-deactivatedaccount)]

This appears to be a rare crash and it may have been fixed in 14.04.x or up.

[Thaddaeus Tintenfisch (thad-fisch-deactivatedaccount)]

Please reopen this report once you manage to reproduce this crash.