Application that crashed: k3b
Version of the application: 1.0.5
KDE Version: 4.3.5 (KDE 4.3.5)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.12-174.2.3.fc12.i686.PAE i686

What I was doing when the application crashed:
I clicked on K2b in the 'applications' menu
- it crashed before the GUI could build
Then the Crash reporting assistant  opens

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
100	}
[Current thread is 1 (Thread 0xb784e730 (LWP 6095))]

Thread 2 (Thread 0xb756cb70 (LWP 6127)):
[KCrash Handler]
#6  0x00a2ce27 in K3bDevice::from4Byte(unsigned char*) () from /usr/lib/libk3bdevice.so.5
#7  0x00a164c6 in K3bDevice::Device::getSupportedWriteSpeedsViaGP(QValueList<int>&, bool) const () from /usr/lib/libk3bdevice.so.5
#8  0x00a16e5f in K3bDevice::Device::determineSupportedWriteSpeeds() const () from /usr/lib/libk3bdevice.so.5
#9  0x080c83cc in K3bDoc::URL() const ()
#10 0x080c897e in K3bDoc::URL() const ()
#11 0x0434018d in QThreadInstance::start(void*) () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#12 0x00536ab5 in start_thread (arg=<value optimized out>) at pthread_create.c:297
#13 0x010d5dce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb784e730 (LWP 6095)):
#0  0x010e518e in __libc_disable_asynccancel (oldtype=<value optimized out>) at ../nptl/cancellation.c:100
#1  0x010cb3e8 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:89
#2  0x0137a0c0 in ?? () from /usr/lib/libxcb.so.1
#3  0x0137a62b in ?? () from /usr/lib/libxcb.so.1
#4  0x0137a9c8 in xcb_writev () from /usr/lib/libxcb.so.1
#5  0x00f05d59 in _XSend () from /usr/lib/libX11.so.6
#6  0x009e9cae in XRenderAddGlyphs () from /usr/lib/libXrender.so.1
#7  0x03fd35a6 in XftFontLoadGlyphs () from /usr/lib/libXft.so.2
#8  0x03fcf588 in XftGlyphExtents () from /usr/lib/libXft.so.2
#9  0x04318d79 in QFontEngineXft::stringToCMap(QChar const*, int, unsigned short*, int*, int*, bool) const () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#10 0x04362f14 in QFontMetrics::width(QString const&, int) const () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#11 0x080b6cc7 in K3bDoc::URL() const ()
#12 0x080b7071 in K3bDoc::URL() const ()
#13 0x080d12b8 in K3bDoc::URL() const ()
#14 0x080d1572 in K3bDoc::URL() const ()
#15 0x080d1d41 in K3bDoc::URL() const ()
#16 0x080d2e2b in K3bDoc::URL() const ()
#17 0x080dd6ac in K3bDoc::URL() const ()
#18 0x080ef282 in K3bDoc::URL() const ()
#19 0x080ef65d in K3bDoc::URL() const ()
#20 0x043af482 in QObject::activate_signal(QConnectionList*, QUObject*) () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#21 0x04743404 in QSignal::signal(QVariant const&) () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#22 0x043cf10c in QSignal::activate() () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#23 0x043d7474 in QSingleShotTimer::event(QEvent*) () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#24 0x04346c75 in QApplication::internalNotify(QObject*, QEvent*) () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#25 0x04348983 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#26 0x0042860c in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdecore.so.4
#27 0x0433b2eb in QEventLoop::activateTimers() () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#28 0x042efa72 in QEventLoop::processEvents(unsigned int) () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#29 0x04361710 in QEventLoop::enterLoop() () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#30 0x043615b7 in QEventLoop::exec() () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#31 0x04347340 in QApplication::exec() () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#32 0x080e0140 in K3bDoc::URL() const ()
#33 0x01011bb6 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=<value optimized out>) at libc-start.c:226
#34 0x080841a1 in K3bDoc::URL() const ()

Reported using DrKonqi