bluedevil-requestpin crashed with SIGSEGV in count()

[wyretrip]

This process stalls and eventually crashes, holding up the loading of the plasma-desktop resources. Network-Manager will not allow you to select or begin connecting to the WLAN until after this crashes.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: bluedevil 1.2.2-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-20.32-generic 3.2.12
Uname: Linux 3.2.0-20-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 1.95-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Thu Mar 22 16:15:32 2012
ExecutablePath: /usr/lib/kde4/libexec/bluedevil-requestpin
InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120228.1)
ProcCmdline: /usr/lib/kde4/libexec/bluedevil-requestpin
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
 LANGUAGE=
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: bluedevil
Title: bluedevil-requestpin crashed with SIGSEGV in QMetaObject::activate()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 count (this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qvector.h:259
 QMetaObject::activate (sender=0x25bf4e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffac750150) at kernel/qobject.cpp:3484
 KNotification::activated (this=<optimized out>, _t1=1) at ./knotification.moc:144
 KNotification::activate (this=0x25bf4e0, action=1) at ../../kdeui/notifications/knotification.cpp:239
 KNotificationManager::notificationActivated (this=0x2666210, id=14, action=1) at ../../kdeui/notifications/knotificationmanager.cpp:84