dconf-service crashed with SIGSEGV in g_variant_builder_add_value()

Occured after the raring desktop amd64 installation on 20130129 on hardware as well.

Probably a duplicate of lp:1105102 but this bug is reported for the latest traces to be added.

1.Install raring amd64 desktop with the image of 20130129
3. Reboot after the installation
4. This crash was observed after the first reboot

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: dconf-service 0.15.2-0ubuntu4
ProcVersionSignature: Ubuntu 3.8.0-2.6-generic 3.8.0-rc4
Uname: Linux 3.8.0-2-generic x86_64
ApportVersion: 2.8-0ubuntu2
Architecture: amd64
Date: Tue Jan 29 10:07:23 2013
ExecutablePath: /usr/lib/dconf/dconf-service
InstallationDate: Installed on 2013-01-29 (0 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130129)
MarkForUpload: True
ProcCmdline: /usr/lib/dconf/dconf-service
ProcEnviron:
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
 PATH=(custom, no user)
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7f09a08d6310: mov 0x20(%rdi),%eax
 PC (0x7f09a08d6310) ok
 source "0x20(%rdi)" (0x00000020) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: d-conf
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_variant_builder_add_value () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_variant_new_va () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_variant_new () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: dconf-service crashed with SIGSEGV in g_variant_builder_add_value()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo