Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.30-2-amd64 x86_64
Distribution: Debian GNU/Linux testing (squeeze)

What I was doing when the application crashed:
Clicked on the taskbar after having used "kdesu Wireshark"

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fb1990b7750 (LWP 2530))]

Thread 2 (Thread 0x7fb1788ae950 (LWP 2531)):
#0  0x00007fb195933b89 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fb198bf7499 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007fb194fee3b4 in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007fb198bf64a5 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007fb19592ff9a in start_thread () from /lib/libpthread.so.0
#5  0x00007fb1964f856d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb1990b7750 (LWP 2530)):
[KCrash Handler]
#5  0x00007fb197de2b24 in KDirModel::dirLister() const () from /usr/lib/libkio.so.5
#6  0x00007fb18c27cd1c in KFilePreviewGenerator::Private::updateCutItems() () from /usr/lib/libkfile.so.4
#7  0x00007fb18c27da1a in KFilePreviewGenerator::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkfile.so.4
#8  0x00007fb198cf0df2 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#9  0x00007fb196cd4bd5 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#10 0x00007fb196cfc76c in ?? () from /usr/lib/libQtGui.so.4
#11 0x00007fb195b7f12a in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#12 0x00007fb195b82988 in ?? () from /lib/libglib-2.0.so.0
#13 0x00007fb195b82b3c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#14 0x00007fb198d0439c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#15 0x00007fb196cfbf1f in ?? () from /usr/lib/libQtGui.so.4
#16 0x00007fb198cda562 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#17 0x00007fb198cda934 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#18 0x00007fb198cdcba4 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#19 0x00007fb18c4e126b in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#20 0x0000000000407264 in _start ()

Reported using DrKonqi