gnome-power-manager crashed with signal 5 in _XError() when logging in

[paradoxheart]

Binary package hint: gnome-power-manager

Seems to crash on login, and at other times as well. I haven't been able to associate the crash with any particular activity.

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: gnome-power-manager 2.31.6-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-15.21-generic 2.6.35.1
Uname: Linux 2.6.35-15-generic x86_64
Architecture: amd64
Date: Tue Aug 17 12:52:22 2010
ExecutablePath: /usr/bin/gnome-power-manager
GConfNonDefault:
 /apps/gnome-power-manager/lock/blank_screen=false
 /apps/gnome-power-manager/lock/use_screensaver_settings=false
 /apps/gnome-power-manager/notify/sleep_failed_uri=
GnomeSessionIdleInhibited: Unknown
GnomeSessionInhibitors: Failed to acquire
GnomeSessionSuspendInhibited: Unknown
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
MachineType: Hewlett-Packard HP ProBook 4310s
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-15-generic root=UUID=bac8f2c4-510a-4901-b610-dd5cf8efda0e ro quiet splash
ProcCmdline: gnome-power-manager
ProcEnviron:
 LANG=en_GB.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/false
Signal: 5
SourcePackage: gnome-power-manager
StacktraceTop:
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 _XError () from /usr/lib/libX11.so.6
 _XReply () from /usr/lib/libX11.so.6
 XRRGetOutputProperty () from /usr/lib/libXrandr.so.2
 ?? ()
Title: gnome-power-manager crashed with signal 5 in _XError()
UserGroups:

dmi.bios.date: 09/14/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68PHT Ver. F.06
dmi.board.name: 7016
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 14.0D
dmi.chassis.asset.tag: CNU9475QZT
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68PHTVer.F.06:bd09/14/2009:svnHewlett-Packard:pnHPProBook4310s:pvrF.06:rvnHewlett-Packard:rn7016:rvrKBCVersion14.0D:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP ProBook 4310s
dmi.product.version: F.06
dmi.sys.vendor: Hewlett-Packard