Version:            (using KDE 4.2.4)
OS:                Linux
Installed from:    SuSE RPMs

(Running k3b version 1.66.0)

I was burning a dvd, and suddenly k3b crashed (forgot to keep that backtrace).
When I tried to re-open k3b, I got this backtrace:

Application: K3b (k3b), signal SIGSEGV
[?1034h[Thread debugging using libthread_db enabled]
[Current thread is 1 (Thread 0xb46d2700 (LWP 8903))]

Thread 4 (Thread 0xb2874b90 (LWP 8904)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb4ec7411 in select () from /lib/libc.so.6
#2  0xb5b4cea7 in QProcessManager::run (this=0x8234030) at io/qprocess_unix.cpp:296
#3  0xb5a7a572 in QThreadPrivate::start (arg=0x8234030) at thread/qthread_unix.cpp:188
#4  0xb5a181b5 in start_thread () from /lib/libpthread.so.0
#5  0xb4ece3be in clone () from /lib/libc.so.6

Thread 3 (Thread 0xb2073b90 (LWP 8951)):
[KCrash Handler]
#6  K3b::Device::from4Byte (d=0x830e6d0 "8�0\b�\202\"\b") at /usr/src/debug/k3b-1.66.0/libk3bdevice/k3bdeviceglobals.cpp:223
#7  0xb7f10fbb in K3b::Device::Device::determineSupportedWriteSpeeds (this=0x830e6d0) at /usr/src/debug/k3b-1.66.0/libk3bdevice/k3bdevice.cpp:3254
#8  0xb7df74b4 in K3b::Medium::update (this=0xb207333c) at /usr/src/debug/k3b-1.66.0/libk3b/tools/k3bmedium.cpp:176
#9  0xb7dfb6ee in K3b::MediaCache::PollThread::run (this=0x83562c0) at /usr/src/debug/k3b-1.66.0/libk3b/tools/k3bmediacache.cpp:81
#10 0xb5a7a572 in QThreadPrivate::start (arg=0x83562c0) at thread/qthread_unix.cpp:188
#11 0xb5a181b5 in start_thread () from /lib/libpthread.so.0
#12 0xb4ece3be in clone () from /lib/libc.so.6

Thread 2 (Thread 0xb1872b90 (LWP 8952)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb5a1bf62 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb5a79f69 in thread_sleep (ti=0xb1872300) at thread/qthread_unix.cpp:297
#3  0xb5a7a0f5 in QThread::sleep (secs=1247221829) at thread/qthread_unix.cpp:311
#4  0xb7dfb771 in K3b::MediaCache::PollThread::run (this=0x8393750) at /usr/src/debug/k3b-1.66.0/libk3b/tools/k3bmediacache.cpp:99
#5  0xb5a7a572 in QThreadPrivate::start (arg=0x8393750) at thread/qthread_unix.cpp:188
#6  0xb5a181b5 in start_thread () from /lib/libpthread.so.0
#7  0xb4ece3be in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb46d2700 (LWP 8903)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb5a1bc35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb5a7b582 in QWaitCondition::wait (this=0x823c150, mutex=0x823c13c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  0xb5a7a713 in QThread::wait (this=0x8234030, time=4294967295) at thread/qthread_unix.cpp:484
#4  0xb5b4fcbe in ~QProcessManager (this=0x8234030) at io/qprocess_unix.cpp:259
#5  0xb5b501ea in ~QGlobalStaticDeleter (this=0xb5c67e98) at ../../src/corelib/global/qglobal.h:1629
#6  0xb4e2a9b1 in exit () from /lib/libc.so.6
#7  0xb5209b5b in qt_xio_errhandler () at kernel/qapplication_x11.cpp:707
#8  0xb612ba2a in KApplication::xioErrhandler (this=0xbfe781d8, dpy=0x82319b0) at /usr/src/debug/kdelibs-4.2.4/kdeui/kernel/kapplication.cpp:413
#9  0xb612ba66 in kde_xio_errhandler (dpy=0x82319b0) at /usr/src/debug/kdelibs-4.2.4/kdeui/kernel/kapplication.cpp:130
#10 0xb681c3c2 in _XIOError () from /usr/lib/libX11.so.6
#11 0xb68243a5 in ?? () from /usr/lib/libX11.so.6
#12 0xb6824bc5 in _XEventsQueued () from /usr/lib/libX11.so.6
#13 0xb680cb3f in XEventsQueued () from /usr/lib/libX11.so.6
#14 0xb5245efa in x11EventSourcePrepare (s=0x823bdd0, timeout=0xbfe776d8) at kernel/qguieventdispatcher_glib.cpp:79
#15 0xb499f8da in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#16 0xb499fd6a in ?? () from /usr/lib/libglib-2.0.so.0
#17 0xb49a0241 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#18 0xb5b9a8d8 in QEventDispatcherGlib::processEvents (this=0x821dba0, flags={i = -1075349560}) at kernel/qeventdispatcher_glib.cpp:327
#19 0xb5245cc5 in QGuiEventDispatcherGlib::processEvents (this=0x821dba0, flags={i = -1075349512}) at kernel/qguieventdispatcher_glib.cpp:202
#20 0xb5b70226 in QCoreApplication::processEvents (flags={i = -1075349468}) at kernel/qcoreapplication.cpp:803
#21 0x0815939d in K3b::Splash::addInfo (this=0x82903a0, s=@0xbfe7799c) at /usr/src/debug/k3b-1.66.0/src/k3bsplash.cpp:93
#22 0x0815942c in K3b::Splash::qt_metacall (this=0x82903a0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbfe77920) at /usr/src/debug/k3b-1.66.0/build/src/k3bsplash.moc:67
#23 0xb5b84788 in QMetaObject::activate (sender=0xbfe781d8, from_signal_index=25, to_signal_index=25, argv=0xbfe77920) at kernel/qobject.cpp:3113
#24 0xb5b85412 in QMetaObject::activate (sender=0xbfe781d8, m=0x81d8040, local_signal_index=0, argv=0xbfe77920) at kernel/qobject.cpp:3187
#25 0x0814b8e5 in K3b::Application::initializationInfo (this=0xbfe781d8, _t1=@0xbfe7799c) at /usr/src/debug/k3b-1.66.0/build/src/k3bapplication.moc:85
#26 0x0814d635 in K3b::Application::init (this=0xbfe781d8) at /usr/src/debug/k3b-1.66.0/src/k3bapplication.cpp:124
#27 0x0814db88 in K3b::Application::qt_metacall (this=0xbfe781d8, _c=QMetaObject::InvokeMetaMethod, _id=-512, _a=0xbfe77a68) at /usr/src/debug/k3b-1.66.0/build/src/k3bapplication.moc:73
#28 0xb5b84788 in QMetaObject::activate (sender=0x82ad0d8, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#29 0xb5b85412 in QMetaObject::activate (sender=0x82ad0d8, m=0xb5c65908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#30 0xb5b8a5b7 in QSingleShotTimer::timeout (this=0x82ad0d8) at .moc/release-shared/qtimer.moc:76
#31 0xb5b8a6dc in QSingleShotTimer::timerEvent (this=0x82ad0d8) at kernel/qtimer.cpp:298
#32 0xb5b7f72f in QObject::event (this=0x82ad0d8, e=0xbfe77f10) at kernel/qobject.cpp:1075
#33 0xb51a57fc in QApplicationPrivate::notify_helper (this=0x8234290, receiver=0x82ad0d8, e=0xbfe77f10) at kernel/qapplication.cpp:4056
#34 0xb51adaee in QApplication::notify (this=0xbfe781d8, receiver=0x82ad0d8, e=0xbfe77f10) at kernel/qapplication.cpp:3603
#35 0xb612c07d in KApplication::notify (this=0xbfe781d8, receiver=0x82ad0d8, event=0xbfe77f10) at /usr/src/debug/kdelibs-4.2.4/kdeui/kernel/kapplication.cpp:307
#36 0xb5b6f16b in QCoreApplication::notifyInternal (this=0xbfe781d8, receiver=0x82ad0d8, event=0xbfe77f10) at kernel/qcoreapplication.cpp:610
#37 0xb5b9e5f6 in QTimerInfoList::activateTimers (this=0x823bd9c) at kernel/qcoreapplication.h:213
#38 0xb5b9a980 in timerSourceDispatch (source=0x823bd68) at kernel/qeventdispatcher_glib.cpp:165
#39 0xb499c9c8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#40 0xb49a0083 in ?? () from /usr/lib/libglib-2.0.so.0
#41 0xb49a0241 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#42 0xb5b9a8d8 in QEventDispatcherGlib::processEvents (this=0x821dba0, flags={i = -1075347272}) at kernel/qeventdispatcher_glib.cpp:327
#43 0xb5245cc5 in QGuiEventDispatcherGlib::processEvents (this=0x821dba0, flags={i = -1075347224}) at kernel/qguieventdispatcher_glib.cpp:202
#44 0xb5b6d78a in QEventLoop::processEvents (this=0xbfe78160, flags={i = -1075347160}) at kernel/qeventloop.cpp:149
#45 0xb5b6dbd2 in QEventLoop::exec (this=0xbfe78160, flags={i = -1075347096}) at kernel/qeventloop.cpp:201
#46 0xb5b70079 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#47 0xb51a5677 in QApplication::exec () at kernel/qapplication.cpp:3525
#48 0x08167e7c in main (argc=1, argv=0xbfe78594) at /usr/src/debug/k3b-1.66.0/src/main.cpp:160