unity-control-center crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()

[ventrical]

Attempting to adjust Screen power options in System Settings. Also 'Appearance' tool .. then bug came up.

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: unity-control-center 14.10.0+14.10.20140604-0ubuntu2
ProcVersionSignature: Ubuntu 3.15.0-6.11-generic 3.15.0
Uname: Linux 3.15.0-6-generic x86_64
ApportVersion: 2.14.3-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jun 28 09:48:38 2014
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2014-05-14 (44 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140514)
ProcCmdline: unity-control-center
ProcEnviron:
 PATH=(custom, no user)
 LANGUAGE=en_CA:en
 XDG_RUNTIME_DIR=<set>
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fcb842e0ab7 <g_type_check_instance_is_fundamentally_a+39>: movzbl 0x14(%rax),%edx
 PC (0x7fcb842e0ab7) ok
 source "0x14(%rax)" (0x00000014) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-control-center
StacktraceTop:
 g_type_check_instance_is_fundamentally_a () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/unity-control-center-1/panels/libappearance.so
 g_type_create_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: unity-control-center crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
usr_lib_unity-control-center:
 activity-log-manager 0.9.7-0ubuntu14
 deja-dup 30.0-0ubuntu6

[Apport retracing service (apport)]

StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 ?? ()
 ?? ()

[Apport retracing service (apport)]

Thank you for your report!

However, processing it in order to get sufficient information for the
developers failed (it does not generate a useful symbolic stack trace). This
might be caused by some outdated packages which were installed on your system
at the time of the report:

libnspr4 version 2:4.10.2-1ubuntu1 required, but 2:4.10.6-1ubuntu1 is available
libpulse-mainloop-glib0 version 1:4.0-0ubuntu15 required, but 1:4.0-0ubuntu16 is available
outdated debug symbol package for libevdev2: package version 1.2.2+dfsg-1 dbgsym version 1.0.99.2+dfsg-2ubuntu2
libpulse0 version 1:4.0-0ubuntu15 required, but 1:4.0-0ubuntu16 is available
no debug symbol package found for libgudev-1.0-0
outdated debug symbol package for libxshmfence1: package version 1.1-3 dbgsym version 1.1-2

Please upgrade your system to the latest package versions. If you still
encounter the crash, please file a new report.

Thank you for your understanding, and sorry for the inconvenience!