Application that crashed: plasma
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-14-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I upgraded to Kubuntu 9.10 from Kubuntu 9.04. After I make the login plasma crashed, but the system works without the window manager.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  QBasicAtomicInt::ref (this=0xbfd82b3c) at /usr/include/qt4/QtCore/qatomic_i386.h:120
#7  QString (this=0xbfd82b3c) at /usr/include/qt4/QtCore/qstring.h:712
#8  QList<QString>::node_copy (this=0xbfd82b3c) at /usr/include/qt4/QtCore/qlist.h:360
#9  QList<QString>::detach_helper (this=0xbfd82b3c) at /usr/include/qt4/QtCore/qlist.h:525
#10 0x0512126a in QList (this=0x9951c78) at /usr/include/qt4/QtCore/qlist.h:111
#11 QStringList (this=0x9951c78) at /usr/include/qt4/QtCore/qstringlist.h:71
#12 QForeachContainer (this=0x9951c78) at /usr/include/qt4/QtCore/qglobal.h:2054
#13 Solid::Control::WirelessNetworkInterfacePrivate::readAccessPoints (this=0x9951c78) at ../../../../libs/solid/control/wirelessnetworkinterface.cpp:208
#14 0x0511a81c in Solid::Control::NetworkManagerPrivate::findRegisteredNetworkInterface (this=0x99a12a8, uni=...) at ../../../../libs/solid/control/networkmanager.cpp:240
#15 0x0511af7b in Solid::Control::NetworkManagerPrivate::buildDeviceList (this=0x99a12a8, uniList=...) at ../../../../libs/solid/control/networkmanager.cpp:86
#16 0x0511b100 in Solid::Control::NetworkManagerPrivate::networkInterfaces (this=0x99a12a8) at ../../../../libs/solid/control/networkmanager.cpp:103
#17 0x0511b189 in Solid::Control::NetworkManager::networkInterfaces () at ../../../../libs/solid/control/networkmanager.cpp:113
#18 0x0157f5a8 in ?? ()
#19 0x015826c7 in ?? ()
#20 0x015857d8 in ?? ()
#21 0x00649175 in KPluginFactory::create (this=0x99a21c8, iface=0x0, parentWidget=0x0, parent=0x0, args=..., keyword=...) at ../../kdecore/util/kpluginfactory.cpp:191
#22 0x016407c8 in KPluginFactory::create<Plasma::Applet> (appletName=..., appletId=12, args=...) at ../../kdecore/util/kpluginfactory.h:515
#23 KService::createInstance<Plasma::Applet> (appletName=..., appletId=12, args=...) at ../../kdecore/services/kservice.h:517
#24 KService::createInstance<Plasma::Applet> (appletName=..., appletId=12, args=...) at ../../kdecore/services/kservice.h:494
#25 Plasma::Applet::load (appletName=..., appletId=12, args=...) at ../../plasma/applet.cpp:1970
#26 0x016505b9 in Plasma::ContainmentPrivate::addApplet (this=0x986abd8, name=..., args=..., appletGeometry=..., id=12, delayInit=true) at ../../plasma/containment.cpp:1844
#27 0x01653744 in Plasma::Containment::restoreContents (this=0x98688d0, group=...) at ../../plasma/containment.cpp:412
#28 0x01656087 in Plasma::Containment::restore (this=0x98688d0, group=...) at ../../plasma/containment.cpp:321
#29 0x01659bff in Plasma::Corona::loadLayout (this=0x96de238, configName=...) at ../../plasma/corona.cpp:369
#30 0x0165a8be in Plasma::Corona::initializeLayout (this=0x96de238, configName=...) at ../../plasma/corona.cpp:324
#31 0x08720a1d in ?? () from /usr/lib/libkdeinit4_plasma.so
#32 0x08721035 in ?? () from /usr/lib/libkdeinit4_plasma.so
#33 0x0872456b in ?? () from /usr/lib/libkdeinit4_plasma.so
#34 0x00265263 in QMetaObject::activate (sender=0x96b1188, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#35 0x00265ec2 in QMetaObject::activate (sender=0x96b1188, m=0x33f908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#36 0x0026a387 in QSingleShotTimer::timeout (this=0x96b1188) at .moc/release-shared/qtimer.moc:76
#37 0x0026a49c in QSingleShotTimer::timerEvent (this=0x96b1188) at kernel/qtimer.cpp:298
#38 0x0025f3bf in QObject::event (this=0x96b1188, e=0xbfd83cd0) at kernel/qobject.cpp:1075
#39 0x07189f54 in QApplicationPrivate::notify_helper (this=0x9646420, receiver=0x96b1188, e=0xbfd83cd0) at kernel/qapplication.cpp:4056
#40 0x0719167c in QApplication::notify (this=0x9640168, receiver=0x96b1188, e=0xbfd83cd0) at kernel/qapplication.cpp:3603
#41 0x00ea4bfa in KApplication::notify (this=0x9640168, receiver=0x96b1188, event=0xbfd83cd0) at ../../kdeui/kernel/kapplication.cpp:302
#42 0x0024f6cb in QCoreApplication::notifyInternal (this=0x9640168, receiver=0x96b1188, event=0xbfd83cd0) at kernel/qcoreapplication.cpp:610
#43 0x0027c7ce in QCoreApplication::sendEvent (this=0x9649034) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#44 QTimerInfoList::activateTimers (this=0x9649034) at kernel/qeventdispatcher_unix.cpp:572
#45 0x0027a0e0 in timerSourceDispatch (source=0x9649000) at kernel/qeventdispatcher_glib.cpp:165
#46 0x006d6e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#47 0x006da720 in ?? () from /lib/libglib-2.0.so.0
#48 0x006da853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#49 0x0027a02c in QEventDispatcherGlib::processEvents (this=0x95c4a58, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#50 0x0722abe5 in QGuiEventDispatcherGlib::processEvents (this=0x95c4a58, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#51 0x0024dc79 in QEventLoop::processEvents (this=0xbfd83f94, flags=) at kernel/qeventloop.cpp:149
#52 0x0024e0ca in QEventLoop::exec (this=0xbfd83f94, flags=...) at kernel/qeventloop.cpp:201
#53 0x0025053f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#54 0x07189dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#55 0x0870cb56 in kdemain () from /usr/lib/libkdeinit4_plasma.so
#56 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x95f13b8 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80511a5 "0") at ../../kinit/kinit.cpp:677
#57 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#58 0x0804eeac in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1362
#59 0x0804fbaf in main (argc=2, argv=0xbfd847f4, envp=0xbfd84800) at ../../kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 213348

Reported using DrKonqi