Application: k3b (2.0.2)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.32-5-amd64 x86_64
Distribution: Debian GNU/Linux testing (wheezy)

-- Information about the crash:
There are 2 DVD drives in my machine. While one of them was being read (displaying miniatures of features) I tried to open another one. After that K3B crashed.

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f84533eb760 (LWP 32452))]

Thread 3 (Thread 0x7f8430ec1700 (LWP 32483)):
#0  0x00007f8449e014d9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f844e40c795 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007f844e40c936 in QThread::sleep(unsigned long) () from /usr/lib/libQtCore.so.4
#3  0x00007f8452cb7fa5 in K3b::MediaCache::PollThread::run (this=0x25de540) at /build/buildd-k3b_2.0.2-1+b1-amd64-U3R9As/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007f844e40ce15 in ?? () from /usr/lib/libQtCore.so.4
#5  0x00007f8449dfc8ba in start_thread () from /lib/libpthread.so.0
#6  0x00007f844c9f702d in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f842bfff700 (LWP 32484)):
#0  0x00007f8449e014d9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f844e40c795 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007f844e40c936 in QThread::sleep(unsigned long) () from /usr/lib/libQtCore.so.4
#3  0x00007f8452cb7fa5 in K3b::MediaCache::PollThread::run (this=0x25d9eb0) at /build/buildd-k3b_2.0.2-1+b1-amd64-U3R9As/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007f844e40ce15 in ?? () from /usr/lib/libQtCore.so.4
#5  0x00007f8449dfc8ba in start_thread () from /lib/libpthread.so.0
#6  0x00007f844c9f702d in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f84533eb760 (LWP 32452)):
[KCrash Handler]
#5  0x00007f844e908ff0 in KTempDir::name() const () from /usr/lib/libkdecore.so.5
#6  0x0000000000585ceb in K3b::VideoDVDRippingPreview::slotTranscodeFinished (this=0x2761af0) at /build/buildd-k3b_2.0.2-1+b1-amd64-U3R9As/k3b-2.0.2/src/rip/videodvd/k3bvideodvdrippingpreview.cpp:125
#7  0x0000000000586018 in K3b::VideoDVDRippingPreview::qt_metacall (this=0x2761af0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff6b1ed460) at /build/buildd-k3b_2.0.2-1+b1-amd64-U3R9As/k3b-2.0.2/obj-x86_64-linux-gnu/src/k3bvideodvdrippingpreview.moc:87
#8  0x00007f844e50f2e6 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#9  0x00007f8452cbc48f in K3bQProcess::finished (this=0x7fff6b1ed2f0, _t1=0, _t2=QProcess::CrashExit) at /build/buildd-k3b_2.0.2-1+b1-amd64-U3R9As/k3b-2.0.2/obj-x86_64-linux-gnu/libk3b/moc_k3bqprocess.cpp:148
#10 0x00007f8452cc12ca in K3bQProcessPrivate::_q_notifyProcessDied (this=0x2b785f0) at /build/buildd-k3b_2.0.2-1+b1-amd64-U3R9As/k3b-2.0.2/libk3b/tools/qprocess/k3bqprocess.cpp:762
#11 0x00007f8452cc32fb in K3bQProcessPrivate::waitForFinished (this=0x2b785f0, msecs=30000) at /build/buildd-k3b_2.0.2-1+b1-amd64-U3R9As/k3b-2.0.2/libk3b/tools/qprocess/k3bqprocess_unix.cpp:1199
#12 0x00007f8452cbc7e7 in K3bQProcess::waitForFinished (this=0x2b385c0, msecs=30000) at /build/buildd-k3b_2.0.2-1+b1-amd64-U3R9As/k3b-2.0.2/libk3b/tools/qprocess/k3bqprocess.cpp:1428
#13 0x00007f8452cbcdb3 in K3bQProcess::~K3bQProcess (this=0x2b385c0, __in_chrg=<value optimized out>) at /build/buildd-k3b_2.0.2-1+b1-amd64-U3R9As/k3b-2.0.2/libk3b/tools/qprocess/k3bqprocess.cpp:895
#14 0x00007f8452cbb3fd in K3b::Process::~Process (this=0x2b385c0, __in_chrg=<value optimized out>) at /build/buildd-k3b_2.0.2-1+b1-amd64-U3R9As/k3b-2.0.2/libk3b/tools/k3bprocess.cpp:119
#15 0x00007f844e50be4d in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#16 0x00007f844d62332c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#17 0x00007f844d62980b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0x00007f844f6bc7a6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#19 0x00007f844e4fc09c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#20 0x00007f844e4ff744 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#21 0x00007f844e525b73 in ?? () from /usr/lib/libQtCore.so.4
#22 0x00007f844846e2e2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x00007f84484729a8 in ?? () from /lib/libglib-2.0.so.0
#24 0x00007f8448472b5c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x00007f844e5256b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#26 0x00007f844d6d319e in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007f844e4fa9c2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0x00007f844e4fad9c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#29 0x00007f844e4ffa2b in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#30 0x000000000053a5f4 in main (argc=<value optimized out>, argv=<value optimized out>) at /build/buildd-k3b_2.0.2-1+b1-amd64-U3R9As/k3b-2.0.2/src/main.cpp:151

Reported using DrKonqi