Application that crashed: k3b
Version of the application: 1.69.0
KDE Version: 4.3.5 (KDE 4.3.5)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-18-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
when launching k3b, splash would show up but the gui won't, and then the crash report appears

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0xb78a1920 (LWP 7493))]

Thread 2 (Thread 0xb5925b70 (LWP 7516)):
[KCrash Handler]
#6  K3b::Device::from4Byte (d=0xa1d2330 "\250>\a\n\200\320!\003") at /home/mehrab/Programs/k3b-1.70.0/libk3bdevice/k3bdeviceglobals.cpp:224
#7  0x00c15663 in K3b::Device::Device::determineSupportedWriteSpeeds (this=0xb5925150) at /home/mehrab/Programs/k3b-1.70.0/libk3bdevice/k3bdevice.cpp:3254
#8  0x0057471c in K3b::Medium::update (this=0xb5925300) at /home/mehrab/Programs/k3b-1.69.0/libk3b/tools/k3bmedium.cpp:179
#9  0x00575b5a in K3b::MediaCache::PollThread::run (this=0xa0c2aa0) at /home/mehrab/Programs/k3b-1.69.0/libk3b/tools/k3bmediacache.cpp:87
#10 0x05408e32 in ?? () from /usr/lib/libQtCore.so.4
#11 0x0030d80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#12 0x031668de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb78a1920 (LWP 7493)):
#0  0x00dc2422 in __kernel_vsyscall ()
#1  0x03158c96 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0x00373d80 in ?? () from /usr/lib/libxcb.so.1
#3  0x003742eb in ?? () from /usr/lib/libxcb.so.1
#4  0x00374687 in xcb_writev () from /usr/lib/libxcb.so.1
#5  0x00c892e9 in _XSend () from /usr/lib/libX11.so.6
#6  0x00c89949 in _XFlush () from /usr/lib/libX11.so.6
#7  0x00c61fa1 in XFlush () from /usr/lib/libX11.so.6
#8  0x01fcea13 in QWidgetPrivate::setCursor_sys(QCursor const&) () from /usr/lib/libQtGui.so.4
#9  0x01f9262f in QWidget::setCursor(QCursor const&) () from /usr/lib/libQtGui.so.4
#10 0x023e3e20 in QWidgetResizeHandler::setMouseCursor(QWidgetResizeHandler::MousePosition) () from /usr/lib/libQtGui.so.4
#11 0x023e4658 in QWidgetResizeHandler::setActive(QWidgetResizeHandler::Action, bool) () from /usr/lib/libQtGui.so.4
#12 0x0232da12 in ?? () from /usr/lib/libQtGui.so.4
#13 0x0232dc75 in QDockWidget::QDockWidget(QString const&, QWidget*, QFlags<Qt::WindowType>) () from /usr/lib/libQtGui.so.4
#14 0x08179f80 in _start ()

This bug may be a duplicate of or related to bug 223829

Reported using DrKonqi