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 x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
When adding a new CPU system monitor to the desktop, this crash happens about 25% of the time. 




 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f6153b16750 (LWP 1644))]

Thread 2 (Thread 0x7f61339c0910 (LWP 1645)):
#0  0x00007f61502c25a9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f61535484fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1f8e3d8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1f8e3d8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f614f97f78c in QHostInfoAgent::run (this=0x1f8e3c0) at kernel/qhostinfo.cpp:260
#4  0x00007f6153547445 in QThreadPrivate::start (arg=0x1f8e3c0) at thread/qthread_unix.cpp:188
#5  0x00007f61502bda04 in start_thread () from /lib/libpthread.so.0
#6  0x00007f6150e9d7bd in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6153b16750 (LWP 1644)):
[KCrash Handler]
#5  0x000000000000007e in ?? ()
#6  0x00007f614b14a72c in Plasma::Corona::popupPosition(QGraphicsItem const*, QSize const&) () from /usr/lib/libplasma.so.3
#7  0x00007f614b1af2ba in ?? () from /usr/lib/libplasma.so.3
#8  0x00007f614b1af4e8 in Plasma::ToolTipManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libplasma.so.3
#9  0x00007f6153642ddc in QMetaObject::activate (sender=0x1a46670, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x12b) at kernel/qobject.cpp:3113
#10 0x00007f615363cd83 in QObject::event (this=0x1a46670, e=0x0) at kernel/qobject.cpp:1075
#11 0x00007f61515ddefc in QApplicationPrivate::notify_helper (this=0x16f5ec0, receiver=0x1a46670, e=0x7fff60170f30) at kernel/qapplication.cpp:4056
#12 0x00007f61515e51ce in QApplication::notify (this=0x16ecce0, receiver=0x1a46670, e=0x7fff60170f30) at kernel/qapplication.cpp:4021
#13 0x00007f6152214ab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#14 0x00007f615362dc2c in QCoreApplication::notifyInternal (this=0x16ecce0, receiver=0x1a46670, event=0x7fff60170f30) at kernel/qcoreapplication.cpp:610
#15 0x00007f6153658862 in QCoreApplication::sendEvent (this=0x16f9320) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#16 QTimerInfoList::activateTimers (this=0x16f9320) at kernel/qeventdispatcher_unix.cpp:572
#17 0x00007f615365625d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#18 0x00007f615050ebbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#19 0x00007f6150512588 in ?? () from /lib/libglib-2.0.so.0
#20 0x00007f61505126b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#21 0x00007f61536561a6 in QEventDispatcherGlib::processEvents (this=0x166a040, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#22 0x00007f61516724be in QGuiEventDispatcherGlib::processEvents (this=0x26ed840, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#23 0x00007f615362c532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#24 0x00007f615362c904 in QEventLoop::exec (this=0x7fff601711d0, flags=) at kernel/qeventloop.cpp:201
#25 0x00007f615362eab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#26 0x00007f614869a4cf in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#27 0x0000000000406da8 in _start ()

Reported using DrKonqi