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

[joro]

Tried to use the bluetooth applet in order to configure Philips SHB4000 headset.
Controlcenter crashed after returning from BT to All Settings.
(Headset stilll doesn't work, btw.)

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity-control-center 14.04.1-0ubuntu5
ProcVersionSignature: Ubuntu 3.13.0-8.27-generic 3.13.2
Uname: Linux 3.13.0-8-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.13.2-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Feb 13 19:50:04 2014
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2013-12-26 (49 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131225)
ProcCmdline: unity-control-center sound
SegvAnalysis:
 Segfault happened at: 0x7f03b5f9946e: mov 0x10(%r12),%rdi
 PC (0x7f03b5f9946e) ok
 source "0x10(%r12)" (0x00000010) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-control-center
StacktraceTop:
 ?? () from /usr/lib/libgnome-bluetooth.so.11
 ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
 ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
 g_cclosure_marshal_generic () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: unity-control-center crashed with SIGSEGV in ffi_call_unix64()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 device_changed (client=0x429b920, variant=0x4288ea0, property=0x4208450 "Paired", device=0x4332b50) at bluetooth-client.c:437
 device_g_signal (proxy=<optimized out>, sender_name=<optimized out>, signal_name=<optimized out>, parameters=<optimized out>, client=0x429b920) at bluetooth-client.c:501
 ffi_call_unix64 () at ../src/x86/unix64.S:76
 ffi_call (cif=cif@entry=0x7fff2901c220, fn=0x7f03b5f993d0 <device_g_signal>, rvalue=0x7fff2901c190, avalue=avalue@entry=0x7fff2901c110) at ../src/x86/ffi64.c:522
 g_cclosure_marshal_generic (closure=0x4215c40, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/glib2.0-2.39.4/./gobject/gclosure.c:1447