Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.6-145.fc12.x86_64 x86_64
Distribution: "Fedora release 12 (Constantine)"

What I was doing when the application crashed:
I've changed my plasma theme from oxygen to Air.

 -- Backtrace:
Application: Espace de travail Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f0b33d93840 (LWP 1718))]

Thread 6 (Thread 0x7f0b17b57710 (LWP 1719)):
#0  0x000000369980b04c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000036a405addb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00000038d3a81af4 in ?? () from /usr/lib64/libQtNetwork.so.4
#3  0x00000036a4059d25 in ?? () from /usr/lib64/libQtCore.so.4
#4  0x0000003699806a3a in start_thread () from /lib64/libpthread.so.0
#5  0x0000003698cddf3d in clone () from /lib64/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f0b06bea710 (LWP 3384)):
#0  0x000000369980b04c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000036a405addb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00000038d940aaf6 in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00000038d940cbfb in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00000038d940cc14 in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x00000038d940b21f in ?? () from /usr/lib64/libthreadweaver.so.4
#6  0x00000038d940b658 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#7  0x00000036a4059d25 in ?? () from /usr/lib64/libQtCore.so.4
#8  0x0000003699806a3a in start_thread () from /lib64/libpthread.so.0
#9  0x0000003698cddf3d in clone () from /lib64/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f0b05bb5710 (LWP 3385)):
#0  0x000000369980b04c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000036a405addb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00000038d940aaf6 in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00000038d940cbfb in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00000038d940b21f in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x00000038d940b658 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#6  0x00000036a4059d25 in ?? () from /usr/lib64/libQtCore.so.4
#7  0x0000003699806a3a in start_thread () from /lib64/libpthread.so.0
#8  0x0000003698cddf3d in clone () from /lib64/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f0af577a710 (LWP 3386)):
#0  0x000000369980b04c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000036a405addb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00000038d940aaf6 in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00000038d940cbfb in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00000038d940cc14 in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x00000038d940b21f in ?? () from /usr/lib64/libthreadweaver.so.4
#6  0x00000038d940b658 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#7  0x00000036a4059d25 in ?? () from /usr/lib64/libQtCore.so.4
#8  0x0000003699806a3a in start_thread () from /lib64/libpthread.so.0
#9  0x0000003698cddf3d in clone () from /lib64/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f0af4d79710 (LWP 3387)):
#0  0x000000369980b04c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000036a405addb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00000038d940aaf6 in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00000038d940cbfb in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00000038d940cc14 in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x00000038d940b21f in ?? () from /usr/lib64/libthreadweaver.so.4
#6  0x00000038d940b658 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#7  0x00000036a4059d25 in ?? () from /usr/lib64/libQtCore.so.4
#8  0x0000003699806a3a in start_thread () from /lib64/libpthread.so.0
#9  0x0000003698cddf3d in clone () from /lib64/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0b33d93840 (LWP 1718)):
[KCrash Handler]
#5  0x00000038d9d0c53b in Plasma::FrameSvg::setElementPrefix(QString const&) () from /usr/lib64/libplasma.so.3
#6  0x00007f0b1dfc211b in ?? () from /usr/lib64/kde4/plasma_applet_tasks.so
#7  0x00007f0b1dfc240c in ?? () from /usr/lib64/kde4/plasma_applet_tasks.so
#8  0x00007f0b1dfb9550 in QListData::insert(int) () from /usr/lib64/kde4/plasma_applet_tasks.so
#9  0x00000036a415408c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#10 0x00000038d9d46d18 in ?? () from /usr/lib64/libplasma.so.3
#11 0x00000038d5a2ddde in KDialog::setButtons(QFlags<KDialog::ButtonCode>) () from /usr/lib64/libkdeinit4_plasma-desktop.so
#12 0x00000038d5a2b65c in KDialog::setButtons(QFlags<KDialog::ButtonCode>) () from /usr/lib64/libkdeinit4_plasma-desktop.so
#13 0x00000036a415408c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#14 0x00000038d45862df in KDialog::slotButtonClicked(int) () from /usr/lib64/libkdeui.so.5
#15 0x00000038d45885f2 in KDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkdeui.so.5
#16 0x00000038d463c750 in KPageDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkdeui.so.5
#17 0x00000038d4575560 in KConfigDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkdeui.so.5
#18 0x00000038d5a2b590 in KDialog::setButtons(QFlags<KDialog::ButtonCode>) () from /usr/lib64/libkdeinit4_plasma-desktop.so
#19 0x00000036a415408c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#20 0x00000036a4156b9e in QSignalMapper::mapped(int) () from /usr/lib64/libQtCore.so.4
#21 0x00000036a4157d50 in QSignalMapper::map(QObject*) () from /usr/lib64/libQtCore.so.4
#22 0x00000036a4157fc0 in QSignalMapper::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libQtCore.so.4
#23 0x00000036a415408c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#24 0x0000003b4018af77 in QAbstractButton::clicked(bool) () from /usr/lib64/libQtGui.so.4
#25 0x0000003b3feeedfb in ?? () from /usr/lib64/libQtGui.so.4
#26 0x0000003b3fef09fb in ?? () from /usr/lib64/libQtGui.so.4
#27 0x0000003b3fef0c55 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib64/libQtGui.so.4
#28 0x0000003b3fbddcd8 in QWidget::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#29 0x0000003b3fb8f65c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#30 0x0000003b3fb96715 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#31 0x00000038d4611a76 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#32 0x00000036a413ee6c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#33 0x0000003b3fb95ff2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib64/libQtGui.so.4
#34 0x0000003b3fbfb9ee in ?? () from /usr/lib64/libQtGui.so.4
#35 0x0000003b3fbfaaa8 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/libQtGui.so.4
#36 0x0000003b3fc2284c in ?? () from /usr/lib64/libQtGui.so.4
#37 0x000000369a83922e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#38 0x000000369a83cc18 in ?? () from /lib64/libglib-2.0.so.0
#39 0x000000369a83cd3a in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#40 0x00000036a41671e6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#41 0x0000003b3fc21ffe in ?? () from /usr/lib64/libQtGui.so.4
#42 0x00000036a413d772 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#43 0x00000036a413db44 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#44 0x00000036a413fcd9 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#45 0x00000038d5a3af4f in kdemain () from /usr/lib64/libkdeinit4_plasma-desktop.so
#46 0x0000003698c1eb1d in __libc_start_main () from /lib64/libc.so.6
#47 0x0000000000400779 in _start ()

Reported using DrKonqi