Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.86 (KDE 4.2.86 (KDE 4.3 >= 20090514))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-11-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Plasma does not start when I log in and, then, the crash handler appears

 -- Backtrace:
Application: Plasma Workspace (kdeinit), signal: Segmentation fault
[KCrash Handler]
#5  0x00007fad4d7db8a0 in QObject::setParent () from /usr/lib/libQtCore.so.4
#6  0x00007fad45032ba5 in Plasma::Containment::setWallpaper (this=0x1efc4a0, pluginName=@0x7fff55ce2520, mode=@0x7fff55ce2510) at /home/kde4/kde/src/KDE/kdelibs/plasma/containment.cpp:1460
#7  0x00007fad45032e35 in Plasma::Containment::setDrawWallpaper (this=0x1efc4a0, drawWallpaper=<value optimized out>) at /home/kde4/kde/src/KDE/kdelibs/plasma/containment.cpp:1426
#8  0x00007fad4503508d in Plasma::Containment::init (this=0x1efc4a0) at /home/kde4/kde/src/KDE/kdelibs/plasma/containment.cpp:209
#9  0x00007fad4503ed6a in Plasma::Corona::loadLayout (this=0x1a903f0, configName=<value optimized out>) at /home/kde4/kde/src/KDE/kdelibs/plasma/corona.cpp:367
#10 0x00007fad45040872 in Plasma::Corona::initializeLayout (this=0x1a903f0, configName=@0x7fff55ce2a60) at /home/kde4/kde/src/KDE/kdelibs/plasma/corona.cpp:323
#11 0x00007fad4160ffef in PlasmaApp::corona (this=0x194c580) at /home/kde4/kde/src/KDE/kdebase/workspace/plasma/shells/desktop/plasmaapp.cpp:522
#12 0x00007fad41610175 in PlasmaApp::setupDesktop (this=0x194c580) at /home/kde4/kde/src/KDE/kdebase/workspace/plasma/shells/desktop/plasmaapp.cpp:211
#13 0x00007fad41613a65 in PlasmaApp::qt_metacall (this=0x194c580, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff55ce2cc0)
    at /home/kde4/kde/build/KDE/kdebase/workspace/plasma/shells/desktop/plasmaapp.moc:112
#14 0x00007fad4d7e21f2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#15 0x00007fad4d7e752f in ?? () from /usr/lib/libQtCore.so.4
#16 0x00007fad4d7dc4d3 in QObject::event () from /usr/lib/libQtCore.so.4
#17 0x00007fad4aae578d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#18 0x00007fad4aaed97a in QApplication::notify () from /usr/lib/libQtGui.so.4
#19 0x00007fad4bc4154b in KApplication::notify (this=0x194c580, receiver=0x1a48e80, event=0x7fff55ce3380) at /home/kde4/kde/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:307
#20 0x00007fad4d7cc75c in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#21 0x00007fad4d7f97f6 in ?? () from /usr/lib/libQtCore.so.4
#22 0x00007fad4d7f5f0d in ?? () from /usr/lib/libQtCore.so.4
#23 0x00007fad4954320a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0x00007fad495468e0 in ?? () from /usr/lib/libglib-2.0.so.0
#25 0x00007fad49546a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#26 0x00007fad4d7f5e6f in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#27 0x00007fad4ab7dbef in ?? () from /usr/lib/libQtGui.so.4
#28 0x00007fad4d7cb002 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#29 0x00007fad4d7cb3cd in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#30 0x00007fad4d7cd694 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#31 0x00007fad415fb29b in kdemain (argc=1, argv=0x18c4f70) at /home/kde4/kde/src/KDE/kdebase/workspace/plasma/shells/desktop/main.cpp:50
#32 0x000000000040715e in launch (argc=1, _name=0x18ffc18 "/home/kde4/kde/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x18ffc42 "", reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a2f0 "0") at /home/kde4/kde/src/KDE/kdelibs/kinit/kinit.cpp:667
#33 0x0000000000407988 in handle_launcher_request (sock=7, who=<value optimized out>) at /home/kde4/kde/src/KDE/kdelibs/kinit/kinit.cpp:1159
#34 0x0000000000407f35 in handle_requests (waitForPid=0) at /home/kde4/kde/src/KDE/kdelibs/kinit/kinit.cpp:1352
#35 0x0000000000408a52 in main (argc=2, argv=0x7fff55ce44b8, envp=0x7fff55ce44d0) at /home/kde4/kde/src/KDE/kdelibs/kinit/kinit.cpp:1779