Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30.8-64.fc11.i586 i686

What I was doing when the application crashed:
Crash occured right after KDE 4 desktop startup. This is the first time this crash occurred.

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7f9e780 (LWP 2018))]

Thread 2 (Thread 0xac2ffb70 (LWP 2021)):
#0  0x00cec422 in __kernel_vsyscall ()
#1  0x00410fa5 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:122
#2  0x03789337 in QWaitConditionPrivate::wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:159
#4  0x0018b4d2 in QHostInfoAgent::run (this=0x8ff34a0) at kernel/qhostinfo.cpp:260
#5  0x037882f2 in QThreadPrivate::start (arg=0x8ff34a0) at thread/qthread_unix.cpp:188
#6  0x0040c935 in start_thread (arg=0xac2ffb70) at pthread_create.c:297
#7  0x0091194e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb7f9e780 (LWP 2018)):
[KCrash Handler]
#6  0x006098d7 in XVisualIDFromVisual () from /usr/lib/libX11.so.6
#7  0x03d9a78e in qt_x11_getX11InfoForWindow (xinfo=0x972ac1c, a=@0xbf8b74d8) at kernel/qwidget_x11.cpp:400
#8  0x03da0e6e in QWidgetPrivate::create_sys (this=0x972ab28, window=29377313, initializeWindow=true, destroyOldWindow=true) at kernel/qwidget_x11.cpp:545
#9  0x03d646b0 in QWidget::create (this=0x9026998, window=29377313, initializeWindow=44, destroyOldWindow=<value optimized out>) at kernel/qwidget.cpp:1253
#10 0x00fdab3e in Plasma::Theme::font(Plasma::Theme::FontRole) const () from /usr/lib/kde4/plasma_applet_systemtray.so
#11 0x00fd6310 in Plasma::Theme::font(Plasma::Theme::FontRole) const () from /usr/lib/kde4/plasma_applet_systemtray.so
#12 0x00fd63eb in Plasma::Theme::font(Plasma::Theme::FontRole) const () from /usr/lib/kde4/plasma_applet_systemtray.so
#13 0x0388e853 in QMetaObject::activate (sender=0x93cf808, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#14 0x0388f4b2 in QMetaObject::activate (sender=0x93cf808, m=0x39693c8, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#15 0x03893967 in QSingleShotTimer::timeout (this=0x93cf808) at .moc/release-shared/qtimer.moc:76
#16 0x03893a7c in QSingleShotTimer::timerEvent (this=0x93cf808) at kernel/qtimer.cpp:298
#17 0x0388896f in QObject::event (this=0x93cf808, e=0xbf8b7d30) at kernel/qobject.cpp:1075
#18 0x03d0d974 in QApplicationPrivate::notify_helper (this=0x8b9a958, receiver=0x93cf808, e=0xbf8b7d30) at kernel/qapplication.cpp:4056
#19 0x03d150e9 in QApplication::notify (this=0x8b8f058, receiver=0x93cf808, e=0xbf8b7d30) at kernel/qapplication.cpp:3603
#20 0x0786760a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#21 0x03878b0b in QCoreApplication::notifyInternal (this=0x8b8f058, receiver=0x93cf808, event=0xbf8b7d30) at kernel/qcoreapplication.cpp:610
#22 0x038a5d7e in QCoreApplication::sendEvent (event=<value optimized out>, receiver=<value optimized out>) at kernel/qcoreapplication.h:213
#23 QTimerInfoList::activateTimers (event=<value optimized out>, receiver=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:572
#24 0x038a36a0 in timerSourceDispatch (source=0x8b9d180) at kernel/qeventdispatcher_glib.cpp:165
#25 0x00495308 in g_main_dispatch (context=<value optimized out>) at gmain.c:1824
#26 IA__g_main_context_dispatch (context=<value optimized out>) at gmain.c:2377
#27 0x004989e0 in g_main_context_iterate (context=0x8b9ca90, block=<value optimized out>, dispatch=1, self=0x8b9a4c0) at gmain.c:2455
#28 0x00498b13 in IA__g_main_context_iteration (context=0x8b9ca90, may_block=1) at gmain.c:2518
#29 0x038a35ec in QEventDispatcherGlib::processEvents (this=0x8b79e50, flags={i = 36}) at kernel/qeventdispatcher_glib.cpp:327
#30 0x03daccb5 in QGuiEventDispatcherGlib::processEvents (this=0x8b79e50, flags={i = 36}) at kernel/qguieventdispatcher_glib.cpp:202
#31 0x038770d9 in QEventLoop::processEvents (this=0xbf8b7ff4, flags={i = 36}) at kernel/qeventloop.cpp:149
#32 0x0387752a in QEventLoop::exec (this=0xbf8b7ff4, flags={i = 0}) at kernel/qeventloop.cpp:201
#33 0x038799af in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#34 0x03d0d7f7 in QApplication::exec () at kernel/qapplication.cpp:3525
#35 0x050e942d in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#36 0x080486fb in _start ()

This bug may be a duplicate of or related to bug 205871

Reported using DrKonqi