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 2.6.31-19-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
plasma crash when applied text colour change in noticeboard widget:
means that I was able to choose a colour but by clicing ok plasma crashed and colour was not changed.

 -- Backtrace:
Application: Plasma-Arbeitsfläche (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f9343822750 (LWP 2823))]

Thread 2 (Thread 0x7f9321681910 (LWP 3112)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f93432644fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1446e38, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1446e38, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f933f69b78c in QHostInfoAgent::run (this=0x1446e20) at kernel/qhostinfo.cpp:260
#4  0x00007f9343263445 in QThreadPrivate::start (arg=0x1446e20) at thread/qthread_unix.cpp:188
#5  0x00007f933ffd9a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f9340bb980d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9343822750 (LWP 2823)):
[KCrash Handler]
#5  QObject::property (this=0x1, name=0x7f9323be31f6 "color") at kernel/qobject.cpp:3293
#6  0x00007f9323bdcb67 in ?? () from /usr/lib/kde4/plasma_applet_notes.so
#7  0x00007f9323bdd074 in ?? () from /usr/lib/kde4/plasma_applet_notes.so
#8  0x00007f934335eddc in QMetaObject::activate (sender=0x280e700, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3113
#9  0x00007f9341ea54a8 in KDialog::slotButtonClicked (this=0x280e700, button=4) at ../../kdeui/dialogs/kdialog.cpp:853
#10 0x00007f9341ea76b9 in KDialog::qt_metacall (this=0x280e700, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff99698880) at ./kdialog.moc:184
#11 0x00007f9341f5ba10 in KPageDialog::qt_metacall (this=0x7fff99698410, _c=QMetaObject::ReadProperty, _id=599667190, _a=0x0) at ./kpagedialog.moc:64
#12 0x00007f9341e94580 in KConfigDialog::qt_metacall (this=0x7fff99698410, _c=QMetaObject::ReadProperty, _id=599667190, _a=0x0) at ./kconfigdialog.moc:78
#13 0x00007f934335eddc in QMetaObject::activate (sender=0x1bfa2c8, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3113
#14 0x00007f934336190e in QSignalMapper::mapped (this=0x7fff99698410, _t1=4) at .moc/release-shared/moc_qsignalmapper.cpp:95
#15 0x00007f9343362b00 in QSignalMapper::map (this=0x1bfa2c8, sender=0x1bff310) at kernel/qsignalmapper.cpp:266
#16 0x00007f9343362d70 in QSignalMapper::qt_metacall (this=0x1bfa2c8, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff99698a10) at .moc/release-shared/moc_qsignalmapper.cpp:81
#17 0x00007f934335eddc in QMetaObject::activate (sender=0x1bff310, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3113
#18 0x00007f93418fb8e7 in QAbstractButton::clicked (this=0x7fff99698410, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:200
#19 0x00007f934165d41b in QAbstractButtonPrivate::emitClicked (this=0x1c26e50) at widgets/qabstractbutton.cpp:543
#20 0x00007f934165f02b in QAbstractButtonPrivate::click (this=0x1c26e50) at widgets/qabstractbutton.cpp:536
#21 0x00007f934165f275 in QAbstractButton::mouseReleaseEvent (this=0x1bff310, e=0x7fff99699130) at widgets/qabstractbutton.cpp:1115
#22 0x00007f93413489c0 in QWidget::event (this=0x1bff310, event=0x7fff99699130) at kernel/qwidget.cpp:7549
#23 0x00007f93412f9efc in QApplicationPrivate::notify_helper (this=0xa69fb0, receiver=0x1bff310, e=0x7fff99699130) at kernel/qapplication.cpp:4056
#24 0x00007f9341301011 in QApplication::notify (this=<value optimized out>, receiver=0x1bff310, e=0x7fff99699130) at kernel/qapplication.cpp:3758
#25 0x00007f9341f30ab6 in KApplication::notify (this=0xa60e50, receiver=0x1bff310, event=0x7fff99699130) at ../../kdeui/kernel/kapplication.cpp:302
#26 0x00007f9343349c2c in QCoreApplication::notifyInternal (this=0xa60e50, receiver=0x1bff310, event=0x7fff99699130) at kernel/qcoreapplication.cpp:610
#27 0x00007f93413008e0 in QCoreApplication::sendSpontaneousEvent (receiver=0x1bff310, event=0x7fff99699130, alienWidget=0x1bff310, nativeWidget=0x280e700, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#28 QApplicationPrivate::sendMouseEvent (receiver=0x1bff310, event=0x7fff99699130, alienWidget=0x1bff310, nativeWidget=0x280e700, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at kernel/qapplication.cpp:2924
#29 0x00007f9341366a0e in QETWidget::translateMouseEvent (this=0x280e700, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#30 0x00007f9341365aa9 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff9969ac60) at kernel/qapplication_x11.cpp:3550
#31 0x00007f934138ed0c in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#32 0x00007f934022abce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#33 0x00007f934022e598 in ?? () from /lib/libglib-2.0.so.0
#34 0x00007f934022e6c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#35 0x00007f93433721a6 in QEventDispatcherGlib::processEvents (this=0x9d9040, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#36 0x00007f934138e4be in QGuiEventDispatcherGlib::processEvents (this=0x7fff99698410, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#37 0x00007f9343348532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#38 0x00007f9343348904 in QEventLoop::exec (this=0x7fff9969af90, flags=) at kernel/qeventloop.cpp:201
#39 0x00007f934334aab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#40 0x00007f93376cb4cf in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/shells/desktop/main.cpp:50
#41 0x0000000000406da8 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a299 "0") at ../../kinit/kinit.cpp:677
#42 0x0000000000407aa0 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#43 0x0000000000407f51 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#44 0x0000000000408bb2 in main (argc=2, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1793
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

Reported using DrKonqi