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:
On my first login following upgrade to Kubuntu 9.10, Plasma crashed.  I have not yet been able to restart it.  On the positive side, this is the first time I was able to produce a complete backtrace.

 -- Backtrace:
Application: Plasma Workspace (plasma), signal: Segmentation fault
[KCrash Handler]
#6  QBasicAtomicInt::ref (this=0xbfb229bc) at /usr/include/qt4/QtCore/qatomic_i386.h:120
#7  QString (this=0xbfb229bc) at /usr/include/qt4/QtCore/qstring.h:712
#8  QList<QString>::node_copy (this=0xbfb229bc) at /usr/include/qt4/QtCore/qlist.h:360
#9  QList<QString>::detach_helper (this=0xbfb229bc) at /usr/include/qt4/QtCore/qlist.h:525
#10 0x018d026a in QList (this=0x9ac51f0) at /usr/include/qt4/QtCore/qlist.h:111
#11 QStringList (this=0x9ac51f0) at /usr/include/qt4/QtCore/qstringlist.h:71
#12 QForeachContainer (this=0x9ac51f0) at /usr/include/qt4/QtCore/qglobal.h:2054
#13 Solid::Control::WirelessNetworkInterfacePrivate::readAccessPoints (this=0x9ac51f0) at ../../../../libs/solid/control/wirelessnetworkinterface.cpp:208
#14 0x018c981c in Solid::Control::NetworkManagerPrivate::findRegisteredNetworkInterface (this=0x9c0f068, uni=...) at ../../../../libs/solid/control/networkmanager.cpp:240
#15 0x018c9f7b in Solid::Control::NetworkManagerPrivate::buildDeviceList (this=0x9c0f068, uniList=...) at ../../../../libs/solid/control/networkmanager.cpp:86
#16 0x018ca100 in Solid::Control::NetworkManagerPrivate::networkInterfaces (this=0x9c0f068) at ../../../../libs/solid/control/networkmanager.cpp:103
#17 0x018ca189 in Solid::Control::NetworkManager::networkInterfaces () at ../../../../libs/solid/control/networkmanager.cpp:113
#18 0x08e1a5a8 in ?? () from /usr/lib/kde4/plasma_applet_networkmanagement.so
#19 0x08e1d6c7 in ?? () from /usr/lib/kde4/plasma_applet_networkmanagement.so
#20 0x08e207d8 in QObject* KPluginFactory::createInstance<NetworkManagerApplet, QObject>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib/kde4/plasma_applet_networkmanagement.so
#21 0x00b5e175 in KPluginFactory::create (this=0x9c0fd88, iface=0x0, parentWidget=0x0, parent=0x0, args=..., keyword=...) at ../../kdecore/util/kpluginfactory.cpp:191
#22 0x001a07c8 in KPluginFactory::create<Plasma::Applet> (appletName=..., appletId=185, args=...) at ../../kdecore/util/kpluginfactory.h:515
#23 KService::createInstance<Plasma::Applet> (appletName=..., appletId=185, args=...) at ../../kdecore/services/kservice.h:517
#24 KService::createInstance<Plasma::Applet> (appletName=..., appletId=185, args=...) at ../../kdecore/services/kservice.h:494
#25 Plasma::Applet::load (appletName=..., appletId=185, args=...) at ../../plasma/applet.cpp:1970
#26 0x001b05b9 in Plasma::ContainmentPrivate::addApplet (this=0x9afbc98, name=..., args=..., appletGeometry=..., id=185, delayInit=true) at ../../plasma/containment.cpp:1844
#27 0x001b3744 in Plasma::Containment::restoreContents (this=0x9aa9058, group=...) at ../../plasma/containment.cpp:412
#28 0x001b6087 in Plasma::Containment::restore (this=0x9aa9058, group=...) at ../../plasma/containment.cpp:321
#29 0x001b9bff in Plasma::Corona::loadLayout (this=0x980bcd8, configName=...) at ../../plasma/corona.cpp:369
#30 0x001ba8be in Plasma::Corona::initializeLayout (this=0x980bcd8, configName=...) at ../../plasma/corona.cpp:324
#31 0x005a5a5d in ?? () from /usr/lib/libkdeinit4_plasma.so
#32 0x005a6075 in ?? () from /usr/lib/libkdeinit4_plasma.so
#33 0x005a95ab in ?? () from /usr/lib/libkdeinit4_plasma.so
#34 0x023de263 in QMetaObject::activate (sender=0x98031e8, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#35 0x023deec2 in QMetaObject::activate (sender=0x98031e8, m=0x24b8908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#36 0x023e3387 in QSingleShotTimer::timeout (this=0x98031e8) at .moc/release-shared/qtimer.moc:76
#37 0x023e349c in QSingleShotTimer::timerEvent (this=0x98031e8) at kernel/qtimer.cpp:298
#38 0x023d83bf in QObject::event (this=0x98031e8, e=0xbfb23b50) at kernel/qobject.cpp:1075
#39 0x03df4f54 in QApplicationPrivate::notify_helper (this=0x9765ff0, receiver=0x98031e8, e=0xbfb23b50) at kernel/qapplication.cpp:4056
#40 0x03dfc67c in QApplication::notify (this=0x9744358, receiver=0x98031e8, e=0xbfb23b50) at kernel/qapplication.cpp:3603
#41 0x00e1fbfa in KApplication::notify (this=0x9744358, receiver=0x98031e8, event=0xbfb23b50) at ../../kdeui/kernel/kapplication.cpp:302
#42 0x023c86cb in QCoreApplication::notifyInternal (this=0x9744358, receiver=0x98031e8, event=0xbfb23b50) at kernel/qcoreapplication.cpp:610
#43 0x023f57ce in QCoreApplication::sendEvent (this=0x9769234) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#44 QTimerInfoList::activateTimers (this=0x9769234) at kernel/qeventdispatcher_unix.cpp:572
#45 0x023f30e0 in timerSourceDispatch (source=0x9769200) at kernel/qeventdispatcher_glib.cpp:165
#46 0x01447e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#47 0x0144b720 in ?? () from /lib/libglib-2.0.so.0
#48 0x0144b853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#49 0x023f302c in QEventDispatcherGlib::processEvents (this=0x97221c0, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#50 0x03e95be5 in QGuiEventDispatcherGlib::processEvents (this=0x97221c0, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#51 0x023c6c79 in QEventLoop::processEvents (this=0xbfb23e14, flags=) at kernel/qeventloop.cpp:149
#52 0x023c70ca in QEventLoop::exec (this=0xbfb23e14, flags=...) at kernel/qeventloop.cpp:201
#53 0x023c953f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#54 0x03df4dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#55 0x00591b56 in kdemain () from /usr/lib/libkdeinit4_plasma.so
#56 0x08048712 in _start ()

This bug may be a duplicate of or related to bug 214754

Reported using DrKonqi