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 2.6.31-22-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Will not reconise a dvd now. Changed dev/sr0 permission as sugested. Att. to burn 4.4 G disk and crash!

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f6b20870750 (LWP 11840))]

Thread 3 (Thread 0x7f6b08c5e910 (LWP 12179)):
[KCrash Handler]
#5  0x00007f6b2046b3f1 in K3b::Device::Track::firstSector() const () from /usr/lib/libk3bdevice.so.6
#6  0x00007f6b201246dc in K3b::Medium::analyseContent() () from /usr/lib/libk3b.so.6
#7  0x00007f6b20125210 in K3b::Medium::update() () from /usr/lib/libk3b.so.6
#8  0x00007f6b2012659c in K3b::MediaCache::PollThread::run() () from /usr/lib/libk3b.so.6
#9  0x00007f6b1a867445 in QThreadPrivate::start (arg=0x14d1f60) at thread/qthread_unix.cpp:188
#10 0x00007f6b17831a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f6b19219d4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6afe7fc910 (LWP 16885)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007f6b17834295 in _L_lock_949 () from /lib/libpthread.so.0
#2  0x00007f6b178340b8 in __pthread_mutex_lock (mutex=0x12fa128) at pthread_mutex_lock.c:61
#3  0x00007f6b15a0bb63 in g_main_context_wakeup () from /lib/libglib-2.0.so.0
#4  0x00007f6b1a94da5a in QCoreApplication::postEvent (receiver=0x3399450, event=0x32f4d50, priority=0) at kernel/qcoreapplication.cpp:1069
#5  0x00007f6b1a95e0d3 in queued_activate (sender=0x339cc70, signal=<value optimized out>, c=..., argv=0x0, semaphore=<value optimized out>) at kernel/qobject.cpp:3015
#6  0x00007f6b1a962cef in QMetaObject::activate (sender=0x339cc70, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3086
#7  0x00007f6b1a8675c5 in QThreadPrivate::finish (arg=<value optimized out>) at thread/qthread_unix.cpp:206
#8  0x00007f6b1a86744d in ~__pthread_cleanup_class (arg=0x339cc70) at /usr/include/pthread.h:535
#9  QThreadPrivate::start (arg=0x339cc70) at thread/qthread_unix.cpp:190
#10 0x00007f6b17831a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f6b19219d4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6b20870750 (LWP 11840)):
#0  0x00007f6b1920bfdb in read () from /lib/libc.so.6
#1  0x00007f6b15a0da43 in g_main_context_check () from /lib/libglib-2.0.so.0
#2  0x00007f6b15a0e290 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007f6b15a0e6c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007f6b1a9761a6 in QEventDispatcherGlib::processEvents (this=0x12cbc80, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#5  0x00007f6b19e8a4be in QGuiEventDispatcherGlib::processEvents (this=0x3, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#6  0x00007f6b1a94c532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#7  0x00007f6b1a94c904 in QEventLoop::exec (this=0x7fffedf2e420, flags=) at kernel/qeventloop.cpp:201
#8  0x00007f6b1a94eab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#9  0x00000000005390d0 in _start ()
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

This bug may be a duplicate of or related to bug 237708

Reported using DrKonqi