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.x86_64 x86_64
Distribution: "Fedora release 11 (Leonidas)"

What I was doing when the application crashed:
Crash occured while pushing the middle button on the desktop to create a new sticky note. Desktop turned black, then reappeared again with the crash report opened. Previous note on the desktop are still there, but no new one appeared.

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f469e248820 (LWP 2284))]

Thread 6 (Thread 0x7f4686909910 (LWP 2285)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x000000368865adfb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00000036890818e4 in ?? () from /usr/lib64/libQtNetwork.so.4
#3  0x0000003688659d45 in ?? () from /usr/lib64/libQtCore.so.4
#4  0x00000037e9e0686a in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00000037e92de3bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f467ffff910 (LWP 5868)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x000000368865adfb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x0000003693c0aaf6 in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x0000003693c0cbfb in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x0000003693c0cc14 in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x0000003693c0cc14 in ?? () from /usr/lib64/libthreadweaver.so.4
#6  0x0000003693c0b21f in ?? () from /usr/lib64/libthreadweaver.so.4
#7  0x0000003693c0b658 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#8  0x0000003688659d45 in ?? () from /usr/lib64/libQtCore.so.4
#9  0x00000037e9e0686a in start_thread (arg=<value optimized out>) at pthread_create.c:297
#10 0x00000037e92de3bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f4677fff910 (LWP 5869)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x000000368865adfb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x0000003693c0aaf6 in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x0000003693c0cbfb in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x0000003693c0cc14 in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x0000003693c0b21f in ?? () from /usr/lib64/libthreadweaver.so.4
#6  0x0000003693c0b658 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#7  0x0000003688659d45 in ?? () from /usr/lib64/libQtCore.so.4
#8  0x00000037e9e0686a in start_thread (arg=<value optimized out>) at pthread_create.c:297
#9  0x00000037e92de3bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f46775fe910 (LWP 5870)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x000000368865adfb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x0000003693c0aaf6 in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x0000003693c0cbfb in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x0000003693c0cc14 in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x0000003693c0b21f in ?? () from /usr/lib64/libthreadweaver.so.4
#6  0x0000003693c0b658 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#7  0x0000003688659d45 in ?? () from /usr/lib64/libQtCore.so.4
#8  0x00000037e9e0686a in start_thread (arg=<value optimized out>) at pthread_create.c:297
#9  0x00000037e92de3bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f4676bfd910 (LWP 5871)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x000000368865adfb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x0000003693c0aaf6 in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x0000003693c0cbfb in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x0000003693c0b21f in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x0000003693c0b658 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#6  0x0000003688659d45 in ?? () from /usr/lib64/libQtCore.so.4
#7  0x00000037e9e0686a in start_thread (arg=<value optimized out>) at pthread_create.c:297
#8  0x00000037e92de3bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f469e248820 (LWP 2284)):
[KCrash Handler]
#5  0x000000368874b839 in ?? () from /usr/lib64/libQtCore.so.4
#6  0x000000368874bfe2 in QMimeData::data(QString const&) const () from /usr/lib64/libQtCore.so.4
#7  0x0000003c6e8e16c7 in ?? () from /usr/lib64/libplasma.so.3
#8  0x0000003c6e8e1c5c in Plasma::Containment::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib64/libplasma.so.3
#9  0x000000368a90fc62 in QGraphicsItem::sceneEvent(QEvent*) () from /usr/lib64/libQtGui.so.4
#10 0x000000368a935609 in ?? () from /usr/lib64/libQtGui.so.4
#11 0x000000368a93db05 in QGraphicsScene::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib64/libQtGui.so.4
#12 0x000000368a93f69f in QGraphicsScene::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#13 0x000000368a38f69c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#14 0x000000368a3968fe in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#15 0x0000003300211b56 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#16 0x000000368873f59c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#17 0x000000368a9518e1 in QGraphicsView::mouseReleaseEvent(QMouseEvent*) () from /usr/lib64/libQtGui.so.4
#18 0x000000368a3ddd88 in QWidget::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#19 0x000000368a735916 in QFrame::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#20 0x000000368a95136b in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib64/libQtGui.so.4
#21 0x000000368873e8e7 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#22 0x000000368a38f66c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#23 0x000000368a396741 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#24 0x0000003300211b56 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#25 0x000000368873f59c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#26 0x000000368a396030 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib64/libQtGui.so.4
#27 0x000000368a3fba4e in ?? () from /usr/lib64/libQtGui.so.4
#28 0x000000368a3fab08 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/libQtGui.so.4
#29 0x000000368a4227dc in ?? () from /usr/lib64/libQtGui.so.4
#30 0x000000368763790e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#31 0x000000368763b0e8 in ?? () from /lib64/libglib-2.0.so.0
#32 0x000000368763b20a in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#33 0x0000003688767936 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#34 0x000000368a421f8e in ?? () from /usr/lib64/libQtGui.so.4
#35 0x000000368873ded2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#36 0x000000368873e2a4 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#37 0x0000003688740439 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#38 0x0000003c6d03af4f in kdemain () from /usr/lib64/libkdeinit4_plasma-desktop.so
#39 0x00000037e921ea2d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fffb9f21e98) at libc-start.c:220
#40 0x0000000000400779 in _start ()

Reported using DrKonqi