gnome-settings-daemon crashed with SIGSEGV in gnome_rr_screen_get_dpms_mode()

[mario catena]

Description: Ubuntu quantal (development branch)
Release: 12.10

ubuntu@ubuntu:~$ apt-cache policy gnome-settings-daemon
gnome-settings-daemon:
  Installed: 3.4.2-0ubuntu5
  Candidate: 3.4.2-0ubuntu5
  Version table:
 *** 3.4.2-0ubuntu5 0
        500 http://archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: gnome-settings-daemon 3.4.2-0ubuntu5
ProcVersionSignature: Ubuntu 3.5.0-3.3-generic 3.5.0-rc5
Uname: Linux 3.5.0-3-generic x86_64
ApportVersion: 2.2.5-0ubuntu2
Architecture: amd64
CasperVersion: 1.319
Date: Sun Jul 8 16:33:09 2012
ExecutablePath: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120708.1)
ProcCmdline: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7ff6a27ab019 <gnome_rr_screen_get_dpms_mode+73>: mov 0x18(%rdi),%rax
 PC (0x7ff6a27ab019) ok
 source "0x18(%rdi)" (0x00000018) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-settings-daemon
StacktraceTop:
 gnome_rr_screen_get_dpms_mode () from /usr/lib/libgnome-desktop-3.so.4
 gnome_rr_screen_set_dpms_mode () from /usr/lib/libgnome-desktop-3.so.4
 ?? () from /usr/lib/gnome-settings-daemon-3.0/libpower.so
 ?? () from /usr/lib/gnome-settings-daemon-3.0/libpower.so
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gnome-settings-daemon crashed with SIGSEGV in gnome_rr_screen_get_dpms_mode()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
XsessionErrors:
 (compiz:4892): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed
 (nautilus:4918): GLib-GIO-WARNING **: Missing callback called fullpath = /home/ubuntu/.config/gtk-3.0/bookmarks
 (gnome-settings-daemon:4740): GLib-CRITICAL **: g_variant_get_int32: assertion `g_variant_is_of_type (value, G_VARIANT_TYPE_INT32)' failed
 gnome-session[4607]: WARNING: Application 'gnome-settings-daemon.desktop' killed by signal 11

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #971353, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.