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 2.6.31-21-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
It's just annoying to experience that KDE burner doesn't have the facility of burning multiple copies though there are an option for it.

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7896920 (LWP 4438))]

Thread 2 (Thread 0xb4dffb70 (LWP 4623)):
[KCrash Handler]
#6  0x0075600c in K3b::Msf::Msf(K3b::Msf const&) () from /usr/lib/libk3bdevice.so.6
#7  0x0074f9be in K3b::Device::Track::firstSector() const () from /usr/lib/libk3bdevice.so.6
#8  0x00975ea4 in K3b::Medium::analyseContent() () from /usr/lib/libk3b.so.6
#9  0x00976bd0 in K3b::Medium::update() () from /usr/lib/libk3b.so.6
#10 0x0097825a in K3b::MediaCache::PollThread::run() () from /usr/lib/libk3b.so.6
#11 0x03c87e32 in ?? () from /usr/lib/libQtCore.so.4
#12 0x007cd80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#13 0x02c5aa0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7896920 (LWP 4438)):
#0  0x004a1422 in __kernel_vsyscall ()
#1  0x007d1e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x02c679ad in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x03c874d2 in ?? () from /usr/lib/libQtCore.so.4
#4  0x03c82ba2 in QMutex::lock() () from /usr/lib/libQtCore.so.4
#5  0x009784c5 in K3b::MediaCache::resetDevice(K3b::Device::Device*) () from /usr/lib/libk3b.so.6
#6  0x00934483 in K3b::eject(K3b::Device::Device*) () from /usr/lib/libk3b.so.6
#7  0x009c38c9 in K3b::DvdCopyJob::slotWriterFinished(bool) () from /usr/lib/libk3b.so.6
#8  0x009c5afb in K3b::DvdCopyJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libk3b.so.6
#9  0x03d8e263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#10 0x03d8eec2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#11 0x00942729 in K3b::Job::finished(bool) () from /usr/lib/libk3b.so.6
#12 0x0094390a in K3b::Job::jobFinished(bool) () from /usr/lib/libk3b.so.6
#13 0x009a305e in ?? () from /usr/lib/libk3b.so.6
#14 0x009a6538 in ?? () from /usr/lib/libk3b.so.6
#15 0x03d86f0b in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4
#16 0x03d885fe in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#17 0x01f37f54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0x01f3f67c in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x0696ebfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#20 0x03d786cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#21 0x03d792b2 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#22 0x03d7947d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#23 0x03da33ff in ?? () from /usr/lib/libQtCore.so.4
#24 0x02a39e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#25 0x02a3d730 in ?? () from /lib/libglib-2.0.so.0
#26 0x02a3d863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#27 0x03da302c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0x01fd8be5 in ?? () from /usr/lib/libQtGui.so.4
#29 0x03d76c79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0x03d770ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#31 0x02424d53 in QDialog::exec() () from /usr/lib/libQtGui.so.4
#32 0x08189f18 in _start ()

Reported using DrKonqi