Happens while in a live session. Easily reproducible. Boot a live session and choose to install ubuntu. Wait a few seconds and the message will come up.
ProblemType: CrashDistroRelease: Ubuntu 12.04
Package: gnome-settings-daemon 3.3.92-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-20.32-generic-pae 3.2.12
Uname: Linux 3.2.0-20-generic-pae i686
ApportVersion: 1.95-0ubuntu1
Architecture: i386
CasperVersion: 1.312
Date: Mon Mar 26 16:44:10 2012
ExecutablePath: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120325)
ProcCmdline: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
SegvReason: reading NULL VMASignal: 11SourcePackage: gnome-settings-daemon
Title: [power]: gnome-settings-daemon crashed with SIGSEGV in g_cclosure_marshal_VOID__OBJECTv()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
Status changed to 'Confirmed' because the bug affects multiple users.