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 2.6.31-22-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
The system copyed the DVD and crash while was recording the first of two copies.

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7875920 (LWP 3992))]

Thread 2 (Thread 0xb4f1bb70 (LWP 4283)):
[KCrash Handler]
#6  0x002b29ad in K3b::Device::Track::firstSector() const () from /usr/lib/libk3bdevice.so.6
#7  0x00a69ea4 in K3b::Medium::analyseContent() () from /usr/lib/libk3b.so.6
#8  0x00a6abd0 in K3b::Medium::update() () from /usr/lib/libk3b.so.6
#9  0x00a6c25a in K3b::MediaCache::PollThread::run() () from /usr/lib/libk3b.so.6
#10 0x00dd8e32 in ?? () from /usr/lib/libQtCore.so.4
#11 0x007b480e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#12 0x038f5a0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7875920 (LWP 3992)):
#0  0x00fc2422 in __kernel_vsyscall ()
#1  0x007b8e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x039029ad in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x00dd84d2 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00dd3ba2 in QMutex::lock() () from /usr/lib/libQtCore.so.4
#5  0x00a6c4c5 in K3b::MediaCache::resetDevice(K3b::Device::Device*) () from /usr/lib/libk3b.so.6
#6  0x00a28483 in K3b::eject(K3b::Device::Device*) () from /usr/lib/libk3b.so.6
#7  0x00ab78c9 in K3b::DvdCopyJob::slotWriterFinished(bool) () from /usr/lib/libk3b.so.6
#8  0x00ab9afb in K3b::DvdCopyJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libk3b.so.6
#9  0x00edf263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#10 0x00edfec2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#11 0x00a36729 in K3b::Job::finished(bool) () from /usr/lib/libk3b.so.6
#12 0x00a3790a in K3b::Job::jobFinished(bool) () from /usr/lib/libk3b.so.6
#13 0x00a9705e in ?? () from /usr/lib/libk3b.so.6
#14 0x00a9a538 in ?? () from /usr/lib/libk3b.so.6
#15 0x00ed7f0b in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4
#16 0x00ed95fe in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#17 0x01fa5f54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0x01fad67c in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x08691bfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#20 0x00ec96cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#21 0x00eca2b2 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#22 0x00eca47d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#23 0x00ef43ff in ?? () from /usr/lib/libQtCore.so.4
#24 0x098dde88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#25 0x098e1730 in ?? () from /lib/libglib-2.0.so.0
#26 0x098e1863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#27 0x00ef402c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0x02046be5 in ?? () from /usr/lib/libQtGui.so.4
#29 0x00ec7c79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0x00ec80ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#31 0x02492d53 in QDialog::exec() () from /usr/lib/libQtGui.so.4
#32 0x08189f18 in _start ()

Reported using DrKonqi