crash "general protection ip"

[ 18.285689] cfg80211: Found new beacon on frequency: 5240 MHz (Ch 48) on phy0
[ 27.318278] do_general_protection: 60 callbacks suppressed
[ 27.318281] accounts-daemon[2017] general protection ip:7f9e0eaa6323 sp:7fff66cfa3d0 error:0 in libdbus-1.so.3.5.8[7f9e0ea8f000+42000]
[ 28.854020] wlan0: no IPv6 routers present

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: libdbus-1-3:i386 1.4.18-1ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Mon May 7 21:35:19 2012
InstallationMedia: Xubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
PackageArchitecture: i386
ProcEnviron:
 LANGUAGE=en_GB:en
 TERM=rxvt
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: dbus
UpgradeStatus: No upgrade log present (probably fresh install)