Created attachment 40503 [details]
Krash Log

Pasting backtrace inline

Application: Plasma-Arbeitsfläche (kdeinit4), signal: Aborted
[Current thread is 1 (Thread 0x7f33539e9760 (LWP 4967))]

Thread 2 (Thread 0x7f3331341710 (LWP 4968)):
#0  0x00007f3351c483e9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f3351ed3502 in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1994380, time=30000) at thread/qwaitcondition_unix.cpp:85
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1994380, time=30000) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f3351ec89a9 in QThreadPoolThread::run (this=0x19954b0) at concurrent/qthreadpool.cpp:140
#4  0x00007f3351ed25d5 in QThreadPrivate::start (arg=0x19954b0) at thread/qthread_unix.cpp:248
#5  0x00007f3351c4381a in start_thread () from /lib/libpthread.so.0
#6  0x00007f3350a12c7d in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f33539e9760 (LWP 4967)):
[KCrash Handler]
#5  0x00007f3350976035 in raise () from /lib/libc.so.6
#6  0x00007f3350977460 in abort () from /lib/libc.so.6
#7  0x00007f334ba70665 in _dbus_abort () from /usr/lib/libdbus-1.so.3
#8  0x00007f334ba6c58a in _dbus_warn_check_failed () from /usr/lib/libdbus-1.so.3
#9  0x00007f334ba61189 in dbus_message_new_method_call () from /usr/lib/libdbus-1.so.3
#10 0x00007f33503d7c1e in q_dbus_message_new_method_call (message=<value optimized out>, error=0x7fff8a009340) at qdbus_symbols_p.h:260
#11 QDBusMessagePrivate::toDBusMessage (message=<value optimized out>, error=0x7fff8a009340) at qdbusmessage.cpp:131
#12 0x00007f33503d0a74 in QDBusConnectionPrivate::sendWithReply (this=0xfaaf10, message=..., sendMode=1, timeout=-1) at qdbusintegrator.cpp:1799
#13 0x00007f33503d15c4 in QDBusConnectionPrivate::findMetaObject (this=0xfaaf10, service=..., path=<value optimized out>, interface=..., error=<value optimized out>) at qdbusintegrator.cpp:2284
#14 0x00007f33503def03 in QDBusInterfacePrivate (this=0x1998c00, serv=<value optimized out>, p=<value optimized out>, iface=<value optimized out>, con=<value optimized out>) at qdbusinterface.cpp:156
#15 0x00007f33503deff9 in QDBusInterface (this=0x7fff8a0098a0, service=..., path=..., interface=..., connection=<value optimized out>, parent=0x0) at qdbusinterface.cpp:219
#16 0x00007f3333df66ad in RemoteActivatableList::init() () from /usr/lib/libknmclient.so.4
#17 0x00007f3333df6d03 in RemoteActivatableList::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libknmclient.so.4
#18 0x00007f3333deff50 in RemoteActivatableList::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libknmclient.so.4
#19 0x00007f3351fd8eff in QMetaObject::activate (sender=0xfbebf0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3275
#20 0x00007f3350406daf in QDBusConnectionInterface::serviceOwnerChanged (this=0x1367, _t1=<value optimized out>, _t2=<value optimized out>, _t3=<value optimized out>)
    at .moc/release-shared/moc_qdbusconnectioninterface.cpp:210
#21 0x00007f3350407054 in QDBusConnectionInterface::qt_metacall (this=0xfbebf0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff8a009db0)
    at .moc/release-shared/moc_qdbusconnectioninterface.cpp:137
#22 0x00007f3351fd8eff in QMetaObject::activate (sender=0xfbebf0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3275
#23 0x00007f3350406cdf in QDBusConnectionInterface::NameOwnerChanged (this=0x1367, _t1=<value optimized out>, _t2=<value optimized out>, _t3=<value optimized out>)
    at .moc/release-shared/moc_qdbusconnectioninterface.cpp:238
#24 0x00007f33504070bc in QDBusConnectionInterface::qt_metacall (this=0xfbebf0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff8a009fc0)
    at .moc/release-shared/moc_qdbusconnectioninterface.cpp:141
#25 0x00007f33503cb6a1 in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=..., slotIdx=<value optimized out>)
    at qdbusintegrator.cpp:904
#26 0x00007f33503d59ef in QDBusCallDeliveryEvent::placeMetaCall (this=0x0, object=0x1367) at qdbusintegrator_p.h:101
#27 0x00007f3351fd5e39 in QObject::event (this=0xfbebf0, e=0x1d866e0) at kernel/qobject.cpp:1248
#28 0x00007f33511687dc in QApplicationPrivate::notify_helper (this=0xfbfce0, receiver=0xfbebf0, e=0x1d866e0) at kernel/qapplication.cpp:4298
#29 0x00007f335116edcb in QApplication::notify (this=0xfa9d60, receiver=0xfbebf0, e=0x1d866e0) at kernel/qapplication.cpp:4181
#30 0x00007f335250acf6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#31 0x00007f3351fc619c in QCoreApplication::notifyInternal (this=0xfa9d60, receiver=0xfbebf0, event=0x1d866e0) at kernel/qcoreapplication.cpp:704
#32 0x00007f3351fc8917 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0xf19520) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#33 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0xf19520) at kernel/qcoreapplication.cpp:1345
#34 0x00007f3351fefaf3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#35 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#36 0x00007f334d41d26e in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#37 0x00007f334d420c28 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#38 0x00007f334d420d50 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#39 0x00007f3351fef633 in QEventDispatcherGlib::processEvents (this=0xf1a980, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#40 0x00007f3351216c3e in QGuiEventDispatcherGlib::processEvents (this=0x1367, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#41 0x00007f3351fc4ac2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#42 0x00007f3351fc4e9c in QEventLoop::exec (this=0x7fff8a00abc0, flags=) at kernel/qeventloop.cpp:201
#43 0x00007f3351fc8bdb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#44 0x00007f3346561532 in kdemain (argc=<value optimized out>, argv=<value optimized out>)
    at /home/phil/kdemod/testing/kdebase-workspace/src/kdebase-workspace-4.3.98/plasma/desktop/shell/main.cpp:112
#45 0x000000000040707e in _start ()

What Qt version and how did you configure Qt in your build?

Ok i found it. Its no Bug in Qt its a bug in DBUS (wrong DBUS Configuration Ö_Ö) and beceause of that Qt was not able to connect to DBUS (but that only happened with new Users)

Qt 4.6.1