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

What I was doing when the application crashed:
The crash stopping the extraction and Crash Reporting assistant pop up.

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77cc920 (LWP 3491))]

Thread 3 (Thread 0xb5814b70 (LWP 3492)):
#0  0x005d7422 in __kernel_vsyscall ()
#1  0x04b2e981 in select () from /lib/tls/i686/cmov/libc.so.6
#2  0x01f3faf5 in ?? () from /usr/lib/libQtCore.so.4
#3  0x01e70e32 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00d9780e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0x04b357ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xb46feb70 (LWP 3518)):
[KCrash Handler]
#6  0x00f4b287 in K3b::Device::from4Byte(unsigned char*) () from /usr/lib/libk3bdevice.so.6
#7  0x00f2e173 in K3b::Device::Device::determineSupportedWriteSpeeds() const () from /usr/lib/libk3bdevice.so.6
#8  0x00774e1c in K3b::Medium::update() () from /usr/lib/libk3b.so.6
#9  0x0077625a in K3b::MediaCache::PollThread::run() () from /usr/lib/libk3b.so.6
#10 0x01e70e32 in ?? () from /usr/lib/libQtCore.so.4
#11 0x00d9780e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#12 0x04b357ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb77cc920 (LWP 3491)):
#0  0x005d7422 in __kernel_vsyscall ()
#1  0x04b2e981 in select () from /lib/tls/i686/cmov/libc.so.6
#2  0x01f3e4c3 in ?? () from /usr/lib/libQtCore.so.4
#3  0x01f3e67a in ?? () from /usr/lib/libQtCore.so.4
#4  0x01eff2ce in QProcess::waitForFinished(int) () from /usr/lib/libQtCore.so.4
#5  0x05720de1 in KProcess::execute(int) () from /usr/lib/libkdecore.so.5
#6  0x0073af25 in K3b::SimpleExternalProgram::scanFeatures(K3b::ExternalBin*) () from /usr/lib/libk3b.so.6
#7  0x0073c327 in K3b::SimpleExternalProgram::scan(QString const&) () from /usr/lib/libk3b.so.6
#8  0x0073bafc in K3b::ExternalBinManager::search() () from /usr/lib/libk3b.so.6
#9  0x0073c7c7 in K3b::ExternalBinManager::readConfig(KConfigGroup const&) () from /usr/lib/libk3b.so.6
#10 0x0072fdf4 in K3b::Core::readSettings(KSharedPtr<KSharedConfig>) () from /usr/lib/libk3b.so.6
#11 0x0815f5e4 in _start ()

Reported using DrKonqi