Application that crashed: k3b
Version of the application: 1.68.0
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-15-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I was copying a Data DVD. Crash happened at the end of image creation stage

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f9b8abed750 (LWP 2351))]

Thread 2 (Thread 0x7f9b6bfff910 (LWP 2573)):
[KCrash Handler]
#5  0x00007f9b8a7f03f1 in K3b::Device::Track::firstSector() const () from /usr/lib/libk3bdevice.so.6
#6  0x00007f9b8a4a96dc in K3b::Medium::analyseContent() () from /usr/lib/libk3b.so.6
#7  0x00007f9b8a4aa210 in K3b::Medium::update() () from /usr/lib/libk3b.so.6
#8  0x00007f9b8a4ab59c in K3b::MediaCache::PollThread::run() () from /usr/lib/libk3b.so.6
#9  0x00007f9b84bec445 in ?? () from /usr/lib/libQtCore.so.4
#10 0x00007f9b81bb7a04 in start_thread () from /lib/libpthread.so.0
#11 0x00007f9b8359f7bd in clone () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9b8abed750 (LWP 2351)):
#0  0x00007f9b81bbc5a9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f9b84bebc93 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007f9b84be7865 in QMutex::lock() () from /usr/lib/libQtCore.so.4
#3  0x00007f9b8a4ab7d1 in K3b::MediaCache::resetDevice(K3b::Device::Device*) () from /usr/lib/libk3b.so.6
#4  0x00007f9b8a46f11f in K3b::eject(K3b::Device::Device*) () from /usr/lib/libk3b.so.6
#5  0x00007f9b8a4edfd4 in K3b::DvdCopyJob::slotReaderFinished(bool) () from /usr/lib/libk3b.so.6
#6  0x00007f9b8a4f0048 in K3b::DvdCopyJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libk3b.so.6
#7  0x00007f9b84ce7ddc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#8  0x00007f9b8a47bfa2 in K3b::Job::finished(bool) () from /usr/lib/libk3b.so.6
#9  0x00007f9b8a47cf74 in K3b::Job::jobFinished(bool) () from /usr/lib/libk3b.so.6
#10 0x00007f9b8a47e5ec in K3b::ThreadJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libk3b.so.6
#11 0x00007f9b84ce20f9 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#12 0x00007f9b8417aefc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x00007f9b841821ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x00007f9b85b3eab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#15 0x00007f9b84cd2c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#16 0x00007f9b84cd380a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#17 0x00007f9b84cfb533 in ?? () from /usr/lib/libQtCore.so.4
#18 0x00007f9b7fd90bbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#19 0x00007f9b7fd94588 in ?? () from /lib/libglib-2.0.so.0
#20 0x00007f9b7fd946b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#21 0x00007f9b84cfb1a6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#22 0x00007f9b8420f4be in ?? () from /usr/lib/libQtGui.so.4
#23 0x00007f9b84cd1532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#24 0x00007f9b84cd1904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#25 0x00007f9b845f59de in QDialog::exec() () from /usr/lib/libQtGui.so.4
#26 0x00000000005438f8 in _start ()

Reported using DrKonqi