unity-greeter crashed with SIGSEGV in menu_bar_layout_toggled_cb()

[Tepee]

Crash at startup of the system.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: unity-greeter 13.10.2-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-2.5-generic 3.11.0-rc5
Uname: Linux 3.11.0-2-generic x86_64
ApportVersion: 2.12-0ubuntu3
Architecture: amd64
Date: Sun Aug 18 12:02:44 2013
ExecutablePath: /usr/sbin/unity-greeter
InstallationDate: Installed on 2013-08-16 (1 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130815)
MarkForUpload: True
ProcCmdline: /usr/sbin/unity-greeter
SegvAnalysis:
 Segfault happened at: 0x41f180: mov 0x0,%r15
 PC (0x0041f180) ok
 source "0x0" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%r15" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-greeter
StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: unity-greeter crashed with SIGSEGV in g_signal_emit_valist()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 menu_bar_layout_toggled_cb (self=0x24671c0, item=<optimized out>) at menubar.c:996
 menu_bar_set_layouts (self=0x24671c0, layouts=0x24bc8a0) at menubar.c:531
 _user_list___lambda28_ (self=0x2594550) at user-list.c:7017
 __user_list___lambda28__greeter_list_entry_displayed_done (_sender=<optimized out>, self=0x2594550) at user-list.c:7034
 _g_closure_invoke_va (closure=0x25a2a60, return_value=0x0, instance=0x2594550, args=0x7fff097e68c0, n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.37.5/./gobject/gclosure.c:840