SIGBUS in fetchAndAddOrdered from QIcdEngine::connectionStateSignalsSlot

0     0x3c43d958     fetchAndAddOrdered (this=0x67fa6c) at
.../include/QtCore/../../src/corelib/arch/qatomic_armv6.h:194
1         fetchAndAddAcquire (this=0x67fa6c) at
.../include/QtCore/../../src/corelib/arch/qatomic_armv6.h:434
2         QMutex::lock (this=0x67fa6c) at thread/qmutex.cpp:159
3     0x3fc70ad8     QMutexLocker (this=0x666130) at
.../../../include/QtCore/../../src/corelib/thread/qmutex.h:102
4         QIcdEngine::connectionStateSignalsSlot (this=0x666130) at
qicdengine.cpp:898
5     0x3fc97378     QIcdEngine::qt_metacall (this=0x666130, _id=3,
_a=0xaefba430) at .moc/release-shared/moc_qicdengine.cpp:92
6     0x3ab33d60     QDBusConnectionPrivate::deliverCall (slotIdx=11) at
qdbusintegrator.cpp:941
7     0x3ab3e544     QDBusCallDeliveryEvent::placeMetaCall (object=0x0) at
qdbusintegrator_p.h:103
8     0x3c56b6e8     QObject::event (this=0x666130) at kernel/qobject.cpp:1217
9     0x3c556560     QCoreApplicationPrivate::notify_helper (this=0x19c6f0,
receiver=0x666130, event=0x71ba50) at kernel/qcoreapplication.cpp:926
10     0x3c55682c     QCoreApplication::notifyInternal (this=0xaefbabd0,
event=0x71ba50) at kernel/qcoreapplication.cpp:791
11     0x3c55add8     sendEvent (receiver=0x0, event_type=0, data=0x187e38) at
kernel/qcoreapplication.h:216
12         QCoreApplicationPrivate::sendPostedEvents (receiver=0x0,
event_type=0, data=0x187e38) at kernel/qcoreapplication.cpp:1432
13     0x3c58972c     sendPostedEvents (s=0x19d058) at
kernel/qcoreapplication.h:221
14         postEventSourceDispatch (s=0x19d058) at
kernel/qeventdispatcher_glib.cpp:277
15     0x3aeefe58     g_main_dispatch () at
/home/bifh7/cs2009q3-armel/work/glib2.0-2.26.0/glib/gmain.c:2171
16         g_main_context_dispatch () at
/home/bifh7/cs2009q3-armel/work/glib2.0-2.26.0/glib/gmain.c:2724
17     0x3aef3f38     g_main_context_iterate (context=0x19cfc8) at
/home/bifh7/cs2009q3-armel/work/glib2.0-2.26.0/glib/gmain.c:2802
18     0x3aef4198     g_main_context_iteration (context=0x19cfc8, may_block=1)
at /home/bifh7/cs2009q3-armel/work/glib2.0-2.26.0/glib/gmain.c:2865
19     0x3c589244     QEventDispatcherGlib::processEvents (this=0x19ced0) at
kernel/qeventdispatcher_glib.cpp:422
20     0x3c555244     QEventLoop::processEvents () at kernel/qeventloop.cpp:149
21     0x3c5556e8     QEventLoop::exec (this=0xaefba83c) at
kernel/qeventloop.cpp:201
22     0x3c55b0cc     QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1068
23     0x00023148     main (argc=1) at main.cpp:64