Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.98 (KDE 4.2.98 (KDE 4.3 RC3)) "release 150"
Qt Version: 4.5.2
Operating System: Linux 2.6.27.25-0.1-default x86_64

What I was doing when the application crashed:
Plasma crashes as soon as kde4 starts, trying to manually restart it doe not help.
here is the konsole output.

alin@blue:~> plasma-desktop
QDBusObjectPath: invalid path ""
QLayout: Attempting to add QLayout "" to QWidget "", which already has a layout
Unrecognized character: /
Unrecognized character: /
ERROR: syntax error
QGraphicsGridLayout::itemAt: invalid index 0
QGraphicsGridLayout::itemAt: invalid index 2
QGraphicsGridLayout::itemAt: invalid index 6
process 6340: arguments to dbus_message_new_method_call() were incorrect, assertion "_dbus_check_is_valid_path (path)" failed in file dbus-message.c line 1074.
This is normally a bug in some application using the D-Bus library.
  D-Bus not built with -rdynamic so unable to print a backtrace
KCrash: Application 'plasma-desktop' crashing...
sock_file=/home/alin/.kde4/socket-blue/kdeinit4__0
Warning: connect() failed: : No such file or directory
KCrash cannot reach kdeinit, launching directly.
alin@blue:~> QDBusObjectPath: invalid path ""
QLayout: Attempting to add QLayout "" to QWidget "", which already has a layout
Unrecognized character: /
Unrecognized character: /
ERROR: syntax error
QGraphicsGridLayout::itemAt: invalid index 0
QGraphicsGridLayout::itemAt: invalid index 2
QGraphicsGridLayout::itemAt: invalid index 6
process 6348: arguments to dbus_message_new_method_call() were incorrect, assertion "_dbus_check_is_valid_path (path)" failed in file dbus-message.c line 1074.
This is normally a bug in some application using the D-Bus library.
  D-Bus not built with -rdynamic so unable to print a backtrace

Alin

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Aborted
[Current thread is 1 (Thread 0x7f4f61002790 (LWP 6340))]

Thread 2 (Thread 0x7f4f4061a950 (LWP 6341)):
#0  0x00007f4f5c00ed59 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f4f5c27fe19 in QWaitCondition::wait (this=0xde2050, mutex=0xde2048, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f4f5f9fb87c in QHostInfoAgent::run (this=0xde2030) at kernel/qhostinfo.cpp:260
#3  0x00007f4f5c27ee65 in QThreadPrivate::start (arg=0xde2030) at thread/qthread_unix.cpp:188
#4  0x00007f4f5c00b070 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f4f5b60410d in clone () from /lib64/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4f61002790 (LWP 6340)):
[KCrash Handler]
#4  0x00007f4f5b563645 in raise () from /lib64/libc.so.6
#5  0x00007f4f5b564c33 in abort () from /lib64/libc.so.6
#6  0x00007f4f56417745 in ?? () from /lib64/libdbus-1.so.3
#7  0x00007f4f5641358d in ?? () from /lib64/libdbus-1.so.3
#8  0x00007f4f56408639 in dbus_message_new_method_call () from /lib64/libdbus-1.so.3
#9  0x00007f4f5c68b85e in QDBusMessagePrivate::toDBusMessage (message=<value optimized out>) at ./qdbus_symbols_p.h:260
#10 0x00007f4f5c687b60 in QDBusConnectionPrivate::sendWithReply (this=0x62f680, message=@0x7fffa3691920, sendMode=0, timeout=-1) at qdbusintegrator.cpp:1746
#11 0x00007f4f5c6888c0 in QDBusConnectionPrivate::findMetaObject (this=0x62f680, service=@0xf48668, path=@0xf48678, interface=@0xf48680, error=@0xf48688) at qdbusintegrator.cpp:2108
#12 0x00007f4f5c6936c3 in QDBusInterfacePrivate (this=0xf485e0, serv=<value optimized out>, p=<value optimized out>, iface=<value optimized out>, con=<value optimized out>) at qdbusinterface.cpp:60
#13 0x00007f4f5c6937b7 in QDBusInterface (this=0x7fffa3691bc0, service=@0x7fffa3691cd0, path=@0x7fffa3691cf0, interface=@0x7fffa3691cc0, connection=@0x7fffa3691ce0, parent=0x0)
    at qdbusinterface.cpp:121
#14 0x00007f4f42032f0c in RemoteActivatableList::init() () from /usr/lib64/libknmclient.so.4
#15 0x00007f4f422588f5 in ?? () from /usr/lib64/kde4/plasma_applet_networkmanagement.so
#16 0x00007f4f6073c0e9 in Plasma::Corona::loadLayout(QString const&) () from /usr/lib64/libplasma.so.3
#17 0x00007f4f6073d7b2 in Plasma::Corona::initializeLayout(QString const&) () from /usr/lib64/libplasma.so.3
#18 0x00007f4f60d021bd in PlasmaApp::corona (this=0x621470) at /usr/src/debug/kdebase-workspace-4.2.98/plasma/shells/desktop/plasmaapp.cpp:574
#19 0x00007f4f60d02308 in PlasmaApp::setupDesktop (this=0x621470) at /usr/src/debug/kdebase-workspace-4.2.98/plasma/shells/desktop/plasmaapp.cpp:252
#20 0x00007f4f60d06315 in PlasmaApp::qt_metacall (this=0x621470, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa36923e0)
    at /usr/src/debug/kdebase-workspace-4.2.98/build/plasma/shells/desktop/plasmaapp.moc:115
#21 0x00007f4f5c37d6e2 in QMetaObject::activate (sender=0x6d7290, from_signal_index=<value optimized out>, to_signal_index=4, argv=0xffffffffffffffff) at kernel/qobject.cpp:3113
#22 0x00007f4f5c38341f in QSingleShotTimer::timerEvent (this=0x6d7290) at kernel/qtimer.cpp:298
#23 0x00007f4f5c378533 in QObject::event (this=0x6d7290, e=0x18c4) at kernel/qobject.cpp:1075
#24 0x00007f4f5ca6cb0d in QApplicationPrivate::notify_helper (this=0x63b040, receiver=0x6d7290, e=0x7fffa3692ae0) at kernel/qapplication.cpp:4056
#25 0x00007f4f5ca74d9a in QApplication::notify (this=0x621470, receiver=0x6d7290, e=0x7fffa3692ae0) at kernel/qapplication.cpp:4021
#26 0x00007f4f5f33971b in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#27 0x00007f4f5c36894c in QCoreApplication::notifyInternal (this=0x621470, receiver=0x6d7290, event=0x7fffa3692ae0) at kernel/qcoreapplication.cpp:610
#28 0x00007f4f5c395b60 in QTimerInfoList::activateTimers (this=0x63e270) at kernel/qcoreapplication.h:213
#29 0x00007f4f5c391ddd in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#30 0x00007f4f581b00fb in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#31 0x00007f4f581b38cd in ?? () from /usr/lib64/libglib-2.0.so.0
#32 0x00007f4f581b3a8b in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#33 0x00007f4f5c391d3f in QEventDispatcherGlib::processEvents (this=0x609660, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#34 0x00007f4f5cb03fef in QGuiEventDispatcherGlib::processEvents (this=0x18c4, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#35 0x00007f4f5c3671d2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -1553388032}) at kernel/qeventloop.cpp:149
#36 0x00007f4f5c3675a4 in QEventLoop::exec (this=0x7fffa3692e40, flags={i = -1553387952}) at kernel/qeventloop.cpp:201
#37 0x00007f4f5c369894 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#38 0x00007f4f60cecaeb in kdemain (argc=1, argv=0x7fffa3693148) at /usr/src/debug/kdebase-workspace-4.2.98/plasma/shells/desktop/main.cpp:50
#39 0x00007f4f5b54f586 in __libc_start_main () from /lib64/libc.so.6
#40 0x0000000000400819 in _start () at ../sysdeps/x86_64/elf/start.S:113

Reported using DrKonqi