[background]: gnome-settings-daemon crashed with SIGSEGV in gdk_pixbuf_get_n_channels@plt()

[Sean DS]

Screen turned off as if going into power saving mode. Moving the mouse bought the desktop back up and apport came up.

I am using a dual head setup, I am not using the proprietary drivers.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gnome-settings-daemon 3.4.0-0ubuntu7
ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
Uname: Linux 3.2.0-21-generic x86_64
ApportVersion: 2.0.1-0ubuntu3
Architecture: amd64
Date: Sun Apr 15 14:41:00 2012
ExecutablePath: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64+mac (20120328)
ProcCmdline: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fe6d8e2bc34 <gdk_pixbuf_get_n_channels@plt+4>: and %eax,(%rax)
 PC (0x7fe6d8e2bc34) ok
 source "%eax" ok
 destination "(%rax)" (0x00000002) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: gnome-settings-daemon
StacktraceTop:
 gdk_pixbuf_get_n_channels@plt () from /usr/lib/libgnome-desktop-3.so.2
 ?? () from /usr/lib/libgnome-desktop-3.so.2
 gnome_bg_create_surface () from /usr/lib/libgnome-desktop-3.so.2
 ?? () from /usr/lib/gnome-settings-daemon-3.0/libbackground.so
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: [background]: gnome-settings-daemon crashed with SIGSEGV in gdk_pixbuf_get_n_channels@plt()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 gdk_pixbuf_get_n_channels@plt () from /tmp/tmpbeqZO2/usr/lib/libgnome-desktop-3.so.2
 pixbuf_average_value (pixbuf=0x7fe6bc002a80, result=0x7fff8a8dade0) at gnome-bg.c:2494
 gnome_bg_create_surface (bg=<optimized out>, window=0xfed000, width=3360, height=1080, is_root=1) at gnome-bg.c:1129
 draw_background (use_crossfade=1, manager=0x11444f0) at gsd-background-manager.c:211
 draw_background (manager=0x11444f0, use_crossfade=1) at gsd-background-manager.c:184