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

Binary package hint: gnome-power-manager

Apport says:

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: gnome-power-manager 2.32.0-2ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
NonfreeKernelModules: wl
Architecture: i386
CrashCounter: 1
Date: Fri Mar 25 17:41:43 2011
ExecutablePath: /usr/bin/gnome-power-manager
GnomeSessionIdleInhibited: Unknown
GnomeSessionInhibitors: Failed to acquire
GnomeSessionSuspendInhibited: Unknown
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
MachineType: Apple Inc. MacBook4,1
ProcCmdline: gnome-power-manager
ProcEnviron:
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=be8e28dd-3df3-46b6-bc69-1c38903eaaed ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0xca1897 <fclose+23>: cmpb $0x0,0x46(%esi)
 PC (0x00ca1897) 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: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 02/09/08
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MB41.88Z.00C1.B00.0802091535
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Mac-F22788A9
dmi.board.vendor: Apple Inc.
dmi.board.version: PVT
dmi.chassis.asset.tag: Asset Tag#
dmi.chassis.type: 2
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F22788A9
dmi.modalias: dmi:bvnAppleInc.:bvrMB41.88Z.00C1.B00.0802091535:bd02/09/08:svnAppleInc.:pnMacBook4,1:pvr1.0:rvnAppleInc.:rnMac-F22788A9:rvrPVT:cvnAppleInc.:ct2:cvrMac-F22788A9:
dmi.product.name: MacBook4,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.