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

[THAC0]

Description: Ubuntu Trusty Tahr (development branch)
Release: 14.04

unity-control-center:
  Installed: 14.04.3+14.04.20140220.1-0ubuntu1
  Candidate: 14.04.3+14.04.20140220.1-0ubuntu1
  Version table:
 *** 14.04.3+14.04.20140220.1-0ubuntu1 0
        500 http://gb.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
        100 /var/lib/dpkg/status

Opened System Settings, closed System Settings, was presented with error dialog.

Expected clean close.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity-control-center 14.04.3+14.04.20140220.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-11.31-generic 3.13.3
Uname: Linux 3.13.0-11-generic x86_64
ApportVersion: 2.13.2-0ubuntu5
Architecture: amd64
CrashCounter: 1
CurrentDesktop: Unity
Date: Fri Feb 21 18:13:19 2014
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2014-02-17 (3 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140217)
ProcCmdline: /usr/bin/unity-control-center power
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: 0x7f229b5d2414 <__GI___pthread_mutex_lock+4>: mov 0x10(%rdi),%esi
 PC (0x7f229b5d2414) ok
 source "0x10(%rdi)" (0x000020d8) not located in a known VMA region (needed readable region)!
 destination "%esi" ok
 Stack memory exhausted (SP below stack segment)
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-control-center
StacktraceTop:
 __GI___pthread_mutex_lock (mutex=0x0) at ../nptl/pthread_mutex_lock.c:66
 ?? () from /usr/lib/x86_64-linux-gnu/dri/vboxvideo_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/vboxvideo_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/vboxvideo_dri.so
 start_thread (arg=0x7f2278fd9700) at pthread_create.c:312
Title: unity-control-center crashed with SIGSEGV in __GI___pthread_mutex_lock()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
usr_lib_unity-control-center:
 activity-log-manager 0.9.7-0ubuntu10
 deja-dup 29.5-0ubuntu2
 gnome-control-center 1:3.6.3-0ubuntu50

[THAC0 (gunjam)]

Also: running Ubuntu 14.04 daily in Virtual Box 4.3.6 on Windows 7.

Unity Control Center throws up a lot of OpenGL Warnings when run from console.

[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 #1281590, 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.