Application that crashed: plasma-desktop
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:
Ubuntu 9.10, nothing to do while crash
2.6.31-14-generic

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb779a700 (LWP 2822))]

Thread 2 (Thread 0xab91cb70 (LWP 2823)):
#0  0x00d4b422 in __kernel_vsyscall ()
#1  0x003c2e15 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x00e2578d in __pthread_cond_wait (cond=0x8ef58c8, mutex=0x8ef58b0) at forward.c:139
#3  0x007afe67 in QWaitConditionPrivate::wait (this=0x8efe398, mutex=0x8efe394, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x8efe398, mutex=0x8efe394, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0x00c91922 in QHostInfoAgent::run (this=0x8efe388) at kernel/qhostinfo.cpp:260
#6  0x007aee32 in QThreadPrivate::start (arg=0x8efe388) at thread/qthread_unix.cpp:188
#7  0x003be80e in start_thread (arg=0xab91cb70) at pthread_create.c:300
#8  0x00e187ee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb779a700 (LWP 2822)):
[KCrash Handler]
#6  0x00486d57 in XVisualIDFromVisual () from /usr/lib/libX11.so.6
#7  0x037dc70e in qt_x11_getX11InfoForWindow (xinfo=0x192a124c, a=...) at kernel/qwidget_x11.cpp:400
#8  0x037e3b4e in QWidgetPrivate::create_sys (this=0x192a1158, window=30958060, initializeWindow=true, destroyOldWindow=true) at kernel/qwidget_x11.cpp:545
#9  0x037a4b1c in QWidget::create (this=0x1949be10, window=30958060, initializeWindow=true, destroyOldWindow=<value optimized out>) at kernel/qwidget.cpp:1253
#10 0x0175fc1e in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#11 0x0175b3f0 in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#12 0x0175b4cb in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#13 0x008b5263 in QMetaObject::activate (sender=0x193f6980, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#14 0x008b5ec2 in QMetaObject::activate (sender=0x193f6980, m=0x98f908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#15 0x008ba387 in QSingleShotTimer::timeout (this=0x193f6980) at .moc/release-shared/qtimer.moc:76
#16 0x008ba49c in QSingleShotTimer::timerEvent (this=0x193f6980) at kernel/qtimer.cpp:298
#17 0x008af3bf in QObject::event (this=0x193f6980, e=0xbfb8fb70) at kernel/qobject.cpp:1075
#18 0x0374df54 in QApplicationPrivate::notify_helper (this=0x87c2c80, receiver=0x193f6980, e=0xbfb8fb70) at kernel/qapplication.cpp:4056
#19 0x0375567c in QApplication::notify (this=0x879be68, receiver=0x193f6980, e=0xbfb8fb70) at kernel/qapplication.cpp:3603
#20 0x01115bfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#21 0x0089f6cb in QCoreApplication::notifyInternal (this=0x879be68, receiver=0x193f6980, event=0xbfb8fb70) at kernel/qcoreapplication.cpp:610
#22 0x008cc7ce in QCoreApplication::sendEvent (this=0x87c5834) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#23 QTimerInfoList::activateTimers (this=0x87c5834) at kernel/qeventdispatcher_unix.cpp:572
#24 0x008ca0e0 in timerSourceDispatch (source=0x87c5800) at kernel/qeventdispatcher_glib.cpp:165
#25 0x006b8e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#26 0x006bc720 in ?? () from /lib/libglib-2.0.so.0
#27 0x006bc853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#28 0x008ca02c in QEventDispatcherGlib::processEvents (this=0x87c2a70, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#29 0x037eebe5 in QGuiEventDispatcherGlib::processEvents (this=0x87c2a70, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#30 0x0089dc79 in QEventLoop::processEvents (this=0xbfb8fe34, flags=) at kernel/qeventloop.cpp:149
#31 0x0089e0ca in QEventLoop::exec (this=0xbfb8fe34, flags=...) at kernel/qeventloop.cpp:201
#32 0x008a053f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#33 0x0374ddd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#34 0x04e9080d in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#35 0x0804dde1 in _start ()

This bug may be a duplicate of or related to bug 213500

Reported using DrKonqi