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

[thecure]

Fresh install 14.04 after updating packages error message occurred. Did not actually see Unity crash.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity-control-center 14.04.3+14.04.20140317-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
Uname: Linux 3.13.0-16-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Mar 18 18:15:59 2014
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2014-03-18 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140311)
ProcCmdline: unity-control-center
ProcEnviron:
 PATH=(custom, no user)
 LANGUAGE=en_US
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x2c66c10: add %ch,0x7f7fbccf(%rcx)
 PC (0x02c66c10) in non-executable VMA region: 0x022d9000-0x03276000 rw-p [heap]
 source "%ch" ok
 destination "0x7f7fbccf(%rcx)" (0x8246524f) not located in a known VMA region (needed writable region)!
SegvReason:
 executing writable VMA [heap]
 writing unknown VMA
Signal: 11
SourcePackage: unity-control-center
StacktraceTop:
 ?? ()
 g_hash_table_lookup () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/unity-control-center-1/panels/libappearance.so
 ?? () from /usr/lib/x86_64-linux-gnu/unity-control-center-1/panels/libappearance.so
 ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
Title: unity-control-center crashed with SIGSEGV in g_hash_table_lookup()
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

[Apport retracing service (apport)]

StacktraceTop:
 ?? ()
 g_hash_table_lookup_node (hash_return=<synthetic pointer>, key=0x29f5960, hash_table=0x7f7f84005ac0) at /build/buildd/glib2.0-2.39.91/./glib/ghash.c:368
 g_hash_table_lookup (hash_table=0x7f7f84005ac0, key=key@entry=0x29f5960) at /build/buildd/glib2.0-2.39.91/./glib/ghash.c:1092
 cc_appearance_xml_load_xml_internal (xml=xml@entry=0x7f7f84005b20, filename=filename@entry=0x2a2a320 "/usr/share/gnome-background-properties/trusty-wallpapers.xml", in_thread=in_thread@entry=0) at cc-appearance-xml.c:303
 gnome_wp_file_changed (monitor=<optimized out>, file=<optimized out>, other_file=<optimized out>, event_type=<optimized out>, data=0x7f7f84005b20) at cc-appearance-xml.c:337

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.