Tim, in the process of doing that I discovered that this problem seems to be not directly due to gnome-control-center so I won't raise a bug on the crash. I will append a comment on my Ubuntu GNOME list post which presumably is what pointed you here.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1196196 Title: [background]: gnome-control-center crashed with SIGSEGV in g_type_check_instance_cast() Status in “gnome-control-center” package in Ubuntu: Fix Released Bug description: Changing wallpaper, As this is a fresh install of Ubuntu-Gnome Saucy not sure if this is a new bug or a re-occurrence of an old one... ProblemType: Crash DistroRelease: Ubuntu 13.10 Package: gnome-control-center 1:3.6.3-0ubuntu29 ProcVersionSignature: Ubuntu 3.10.0-1.8-generic 3.10.0-rc7 Uname: Linux 3.10.0-1-generic x86_64 ApportVersion: 2.10.2-0ubuntu3 Architecture: amd64 Date: Sun Jun 30 09:31:05 2013 ExecutablePath: /usr/bin/gnome-control-center InstallationDate: Installed on 2013-06-29 (0 days ago) InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Alpha amd64 (20130629) MarkForUpload: True ProcCmdline: gnome-control-center background ProcEnviron: LANGUAGE=en_GB:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_GB.UTF-8 SHELL=/bin/bash SegvAnalysis: Segfault happened at: 0x7f0236567fec <g_type_check_instance_cast+28>: mov (%rax),%rdi PC (0x7f0236567fec) ok source "(%rax)" (0xaaaaaaaaaaaaaaaa) not located in a known VMA region (needed readable region)! destination "%rdi" ok SegvReason: reading unknown VMA Signal: 11 SourcePackage: gnome-control-center StacktraceTop: g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 ?? () from /usr/lib/control-center-1/panels/libbackground.so ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 Title: [background]: gnome-control-center crashed with SIGSEGV in g_type_check_instance_cast() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo usr_lib_gnome-control-center: deja-dup 27.3.1-0ubuntu1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1196196/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
