Application that crashed: k3b
Version of the application: 1.69.0
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.32-2.slh.7-sidux-686 i686
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
Started k3b with Alt-F2. Crashed without even showing the k3b window (only splash screen). The second time it worked.

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0xb3f7d700 (LWP 4125))]

Thread 2 (Thread 0xb16ffb70 (LWP 4148)):
[KCrash Handler]
#6  0xb77a99e7 in K3b::Device::from4Byte(unsigned char*) () from /usr/lib/libk3bdevice.so.6
#7  0xb778cfcc in K3b::Device::Device::determineSupportedWriteSpeeds() const () from /usr/lib/libk3bdevice.so.6
#8  0xb765eef2 in K3b::Medium::update() () from /usr/lib/libk3b.so.6
#9  0xb7660465 in K3b::MediaCache::PollThread::run() () from /usr/lib/libk3b.so.6
#10 0xb54055e2 in ?? () from /usr/lib/libQtCore.so.4
#11 0xb4458585 in start_thread (arg=0xb16ffb70) at pthread_create.c:300
#12 0xb484627e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb3f7d700 (LWP 4125)):
#0  0xb77df424 in __kernel_vsyscall ()
#1  0xb4838af7 in *__GI___poll (fds=0xbfebeb14, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb44410cb in ?? () from /usr/lib/libxcb.so.1
#3  0xb44416ee in ?? () from /usr/lib/libxcb.so.1
#4  0xb4441a97 in xcb_writev () from /usr/lib/libxcb.so.1
#5  0xb6147432 in _XSend () from /usr/lib/libX11.so.6
#6  0xb6133c75 in ?? () from /usr/lib/libX11.so.6
#7  0xb6133e73 in XPutImage () from /usr/lib/libX11.so.6
#8  0xb4c17cbc in QX11PixmapData::fromImage(QImage const&, QFlags<Qt::ImageConversionFlag>) () from /usr/lib/libQtGui.so.4
#9  0xb4c037a9 in QPixmap::fromImage(QImage const&, QFlags<Qt::ImageConversionFlag>) () from /usr/lib/libQtGui.so.4
#10 0xb4c06434 in QPixmap::load(QString const&, char const*, QFlags<Qt::ImageConversionFlag>) () from /usr/lib/libQtGui.so.4
#11 0xb4c06bcd in QPixmap::QPixmap(QString const&, char const*, QFlags<Qt::ImageConversionFlag>) () from /usr/lib/libQtGui.so.4
#12 0x08196b35 in ?? ()
#13 0x08197093 in ?? ()
#14 0x081b4355 in ?? ()
#15 0x081b460b in ?? ()
#16 0x081b4a2c in ?? ()
#17 0x08172bbf in ?? ()
#18 0x08175ca0 in ?? ()
#19 0x0815cbb3 in ?? ()
#20 0x0815d0a0 in ?? ()
#21 0xb550b303 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#22 0xb550bf42 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#23 0xb5511007 in ?? () from /usr/lib/libQtCore.so.4
#24 0xb551112c in ?? () from /usr/lib/libQtCore.so.4
#25 0xb550639f in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#26 0xb4b35a94 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#27 0xb4b3dbee in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#28 0xb5ac662d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#29 0xb54f61eb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#30 0xb5524e21 in ?? () from /usr/lib/libQtCore.so.4
#31 0xb55212e4 in ?? () from /usr/lib/libQtCore.so.4
#32 0xb42e6b38 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#33 0xb42ea3d0 in ?? () from /lib/libglib-2.0.so.0
#34 0xb42ea503 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#35 0xb5521041 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0xb4bd5305 in ?? () from /usr/lib/libQtGui.so.4
#37 0xb54f483a in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#38 0xb54f4c82 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#39 0xb54f70d9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#40 0xb4b35917 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#41 0x0817a72f in ?? ()
#42 0xb478db55 in __libc_start_main (main=0x8178140, argc=1, ubp_av=0xbfec2e84, init=0x81d3cb0 <__libc_csu_init>, fini=0x81d3ca0 <__libc_csu_fini>, rtld_fini=0xb77ee980 <_dl_fini>, 
    stack_end=0xbfec2e7c) at libc-start.c:222
#43 0x08083bc1 in _start ()

Reported using DrKonqi