gnome-power-manager crashed with SIGSEGV in fclose()

[Tobin Joseph]

Binary package hint: gnome-power-manager

when I login to the system It will ask keyring for empathy IM . After typing the key one window appears and Its display gnome power manager is crashed

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: gnome-power-manager 2.32.0-2ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
NonfreeKernelModules: wl
Architecture: i386
Date: Thu Apr 14 10:16:52 2011
ExecutablePath: /usr/bin/gnome-power-manager
GnomeSessionIdleInhibited: Unknown
GnomeSessionInhibitors: Failed to acquire
GnomeSessionSuspendInhibited: Unknown
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
MachineType: Acer, inc. Aspire 4720Z
ProcCmdline: gnome-power-manager
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_IN
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=2ff2dedd-9270-4039-9787-19b918fc3cdb ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x847897 <fclose+23>: cmpb $0x0,0x46(%esi)
 PC (0x00847897) ok
 source "$0x0" ok
 destination "0x46(%esi)" (0x00000046) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: gnome-power-manager
StacktraceTop:
 fclose () from /lib/i386-linux-gnu/libc.so.6
 ?? ()
 g_type_create_instance () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_object_newv () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: gnome-power-manager crashed with SIGSEGV in fclose()
UpgradeStatus: Upgraded to natty on 2011-04-09 (6 days ago)
UserGroups:

dmi.bios.date: 11/21/2007
dmi.bios.vendor: Acer
dmi.bios.version: v1.3803
dmi.board.name: Nestos
dmi.board.vendor: Acer, Inc.
dmi.board.version: Not Applicable
dmi.chassis.type: 1
dmi.chassis.vendor: Acer, Inc.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAcer:bvrv1.3803:bd11/21/2007:svnAcer,inc.:pnAspire4720Z:pvrNotApplicable:rvnAcer,Inc.:rnNestos:rvrNotApplicable:cvnAcer,Inc.:ct1:cvrN/A:
dmi.product.name: Aspire 4720Z
dmi.product.version: Not Applicable
dmi.sys.vendor: Acer, inc.