gnome-control-center crashed with SIGSEGV in default_adapter_powered_changed()

[numkem]

Appended after pairing an iPhone.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: gnome-control-center 1:3.2.0-0ubuntu6
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
Date: Thu Oct 6 10:00:37 2011
ExecutablePath: /usr/bin/gnome-control-center
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20111003)
ProcCmdline: gnome-control-center bluetooth
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f0b369b6540 <g_type_check_instance_cast+16>: mov (%rdi),%rax
 PC (0x7f0b369b6540) ok
 source "(%rdi)" (0x4026000000000000) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-control-center
StacktraceTop:
 g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/gnome-bluetooth/plugins/libnma.so
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () 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: gnome-control-center crashed with SIGSEGV in g_type_check_instance_cast()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
usr_lib_gnome-control-center:
 deja-dup 20.0-0ubuntu3
 gnome-bluetooth 3.2.0-0ubuntu1
 indicator-datetime 0.3.0-0ubuntu3

[Apport retracing service (apport)]

StacktraceTop:
 g_type_check_instance_cast (type_instance=0x4026000000000000, iface_type=80) at /build/buildd/glib2.0-2.30.0/./gobject/gtype.c:3980
 default_adapter_powered_changed (object=<optimized out>, pspec=<optimized out>, user_data=0x7f0b39acb100) at bt-widget.c:962
 g_closure_invoke (closure=0x7f0b39ae7ae0, return_value=0x0, n_param_values=2, param_values=0x7f0b39acf720, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774
 signal_emit_unlocked_R (node=<optimized out>, detail=1724, instance=0x7f0b39add380, emission_return=0x0, instance_and_params=0x7f0b39acf720) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3272
 g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003

[Launchpad Janitor (janitor)]

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