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 2.6.31-20-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
all sayd

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f3b39d07750 (LWP 20531))]

Thread 2 (Thread 0x7f3b22302910 (LWP 20558)):
#0  0x00007f3b30cdc82d in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f3b33d0bed5 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007f3b33d0c086 in QThread::sleep(unsigned long) () from /usr/lib/libQtCore.so.4
#3  0x00007f3b395cb625 in K3b::MediaCache::PollThread::run() () from /usr/lib/libk3b.so.6
#4  0x00007f3b33d0c445 in ?? () from /usr/lib/libQtCore.so.4
#5  0x00007f3b30cd7a04 in start_thread () from /lib/libpthread.so.0
#6  0x00007f3b326bf80d in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f3b39d07750 (LWP 20531)):
[KCrash Handler]
#5  0x00007f3b39611c8c in K3b::BinImageWritingJob::writerStart() () from /usr/lib/libk3b.so.6
#6  0x00007f3b396129e8 in K3b::BinImageWritingJob::start() () from /usr/lib/libk3b.so.6
#7  0x00007f3b39611f71 in K3b::BinImageWritingJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libk3b.so.6
#8  0x00007f3b33e020f9 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#9  0x00007f3b3329aefc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x00007f3b332a21ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#11 0x00007f3b34c5eab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#12 0x00007f3b33df2c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#13 0x00007f3b33df380a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#14 0x00007f3b33e1b533 in ?? () from /usr/lib/libQtCore.so.4
#15 0x00007f3b2eeb0bce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#16 0x00007f3b2eeb4598 in ?? () from /lib/libglib-2.0.so.0
#17 0x00007f3b2eeb46c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#18 0x00007f3b33e1b1a6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#19 0x00007f3b3332f4be in ?? () from /usr/lib/libQtGui.so.4
#20 0x00007f3b33df1532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#21 0x00007f3b33df1904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#22 0x00007f3b337159de in QDialog::exec() () from /usr/lib/libQtGui.so.4
#23 0x00000000005438f8 in _start ()

Reported using DrKonqi