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:
I had just played a movie with the VLC media player on Ubuntu Karmic.  I closed VLC and started to duplicate the DVD with K3b.  It crashed while reading the DVD.

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77dd920 (LWP 2207))]

Thread 2 (Thread 0xb571eb70 (LWP 2263)):
[KCrash Handler]
#6  0x008ca00c in K3b::Msf::Msf(K3b::Msf const&) () from /usr/lib/libk3bdevice.so.6
#7  0x008c39be in K3b::Device::Track::firstSector() const () from /usr/lib/libk3bdevice.so.6
#8  0x001a3ea4 in K3b::Medium::analyseContent() () from /usr/lib/libk3b.so.6
#9  0x001a4bd0 in K3b::Medium::update() () from /usr/lib/libk3b.so.6
#10 0x001a625a in K3b::MediaCache::PollThread::run() () from /usr/lib/libk3b.so.6
#11 0x0871ae32 in ?? () from /usr/lib/libQtCore.so.4
#12 0x0076780e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#13 0x07719a0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb77dd920 (LWP 2207)):
#0  0x0074b422 in __kernel_vsyscall ()
#1  0x0076be15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x077269ad in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x0871a4d2 in ?? () from /usr/lib/libQtCore.so.4
#4  0x08715ba2 in QMutex::lock() () from /usr/lib/libQtCore.so.4
#5  0x001a64c5 in K3b::MediaCache::resetDevice(K3b::Device::Device*) () from /usr/lib/libk3b.so.6
#6  0x00162483 in K3b::eject(K3b::Device::Device*) () from /usr/lib/libk3b.so.6
#7  0x001f141e in K3b::DvdCopyJob::slotReaderFinished(bool) () from /usr/lib/libk3b.so.6
#8  0x001f3ade in K3b::DvdCopyJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libk3b.so.6
#9  0x08821263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#10 0x08821ec2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#11 0x00170729 in K3b::Job::finished(bool) () from /usr/lib/libk3b.so.6
#12 0x0017190a in K3b::Job::jobFinished(bool) () from /usr/lib/libk3b.so.6
#13 0x001732a6 in K3b::ThreadJob::slotThreadFinished() () from /usr/lib/libk3b.so.6
#14 0x0017333b in K3b::ThreadJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libk3b.so.6
#15 0x001dcad2 in ?? () from /usr/lib/libk3b.so.6
#16 0x08819f0b in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4
#17 0x0881b5fe in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#18 0x01fdbf54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x01fe367c in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x057b7bfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#21 0x0880b6cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#22 0x0880c2b2 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#23 0x0880c47d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#24 0x088363ff in ?? () from /usr/lib/libQtCore.so.4
#25 0x028b5e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#26 0x028b9730 in ?? () from /lib/libglib-2.0.so.0
#27 0x028b9863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#28 0x0883602c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#29 0x0207cbe5 in ?? () from /usr/lib/libQtGui.so.4
#30 0x08809c79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#31 0x0880a0ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0x024c8d53 in QDialog::exec() () from /usr/lib/libQtGui.so.4
#33 0x08189f18 in _start ()

Reported using DrKonqi