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 2.6.31-14-generic i686
Distribution: Ubuntu 9.10

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7763920 (LWP 30145))]

Thread 3 (Thread 0xb55fab70 (LWP 30146)):
#0  0x0098d422 in __kernel_vsyscall ()
#1  0x01ed0f4b in write () from /lib/tls/i686/cmov/libc.so.6
#2  0x06e381f9 in ?? () from /usr/lib/libQtCore.so.4
#3  0x06e39a0d in ?? () from /usr/lib/libQtCore.so.4
#4  0x06e39b2e in ?? () from /usr/lib/libQtCore.so.4
#5  0x06d6ae32 in ?? () from /usr/lib/libQtCore.so.4
#6  0x0091680e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x01ee07ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xb4bffb70 (LWP 30168)):
[KCrash Handler]
#5  0x00f3d287 in K3b::Device::from4Byte(unsigned char*) () from /usr/lib/libk3bdevice.so.6
#6  0x00f20173 in K3b::Device::Device::determineSupportedWriteSpeeds() const () from /usr/lib/libk3bdevice.so.6
#7  0x001a4e1c in K3b::Medium::update() () from /usr/lib/libk3b.so.6
#8  0x001a625a in K3b::MediaCache::PollThread::run() () from /usr/lib/libk3b.so.6
#9  0x06d6ae32 in ?? () from /usr/lib/libQtCore.so.4
#10 0x0091680e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#11 0x01ee07ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7763920 (LWP 30145)):
#0  0x0098d422 in __kernel_vsyscall ()
#1  0x01ed9981 in select () from /lib/tls/i686/cmov/libc.so.6
#2  0x06e384c3 in ?? () from /usr/lib/libQtCore.so.4
#3  0x06e3867a in ?? () from /usr/lib/libQtCore.so.4
#4  0x06df92ce in QProcess::waitForFinished(int) () from /usr/lib/libQtCore.so.4
#5  0x06dfd321 in QProcess::execute(QString const&, QStringList const&) () from /usr/lib/libQtCore.so.4
#6  0x057471f0 in KToolInvocation::startKdeinit() () from /usr/lib/libkdecore.so.5
#7  0x057487aa in KToolInvocation::klauncher() () from /usr/lib/libkdecore.so.5
#8  0x00c00aad in KIO::Slave::createSlave(QString const&, KUrl const&, int&, QString&) () from /usr/lib/libkio.so.5
#9  0x00bfa07c in ?? () from /usr/lib/libkio.so.5
#10 0x00bfb6ba in ?? () from /usr/lib/libkio.so.5
#11 0x00bfb710 in ?? () from /usr/lib/libkio.so.5
#12 0x00bfb9be in KIO::Scheduler::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#13 0x06e71263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#14 0x06e71ec2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#15 0x06eab667 in QTimer::timeout() () from /usr/lib/libQtCore.so.4
#16 0x06e769ae in QTimer::timerEvent(QTimerEvent*) () from /usr/lib/libQtCore.so.4
#17 0x06e6b3bf in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#18 0x03cbbf54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x03cc367c in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x076dbbfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#21 0x06e5b6cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#22 0x06e887ce in ?? () from /usr/lib/libQtCore.so.4
#23 0x06e860e0 in ?? () from /usr/lib/libQtCore.so.4
#24 0x01fcde78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#25 0x01fd1720 in ?? () from /lib/libglib-2.0.so.0
#26 0x01fd1853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#27 0x06e8602c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0x03d5cbe5 in ?? () from /usr/lib/libQtGui.so.4
#29 0x06e5c6e1 in QCoreApplication::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0x0816ee7d in _start ()

Reported using DrKonqi