Application that crashed: k3b
Version of the application: 1.68.0
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.5-desktop-1mnb i686
Distribution: "Mandriva Linux 2010.0"

What I was doing when the application crashed:
After selecting data to write on DVD, I pressed Burn button.  In the burn dialog, I selected to verify data after writing on DVD and then pressed Burn button in the dialog.  As soon as I press Burn button, K3B crashes and ask to submit the bug report.

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0xb3a1d6d0 (LWP 24736))]

Thread 3 (Thread 0xb03c4b70 (LWP 24767)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb4836d12 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/i686/libpthread.so.0
#2  0xb499c744 in pthread_cond_timedwait () from /lib/i686/libc.so.6
#3  0xb551888c in ?? () from /usr/lib/libQtCore.so.4
#4  0xb5518a24 in QThread::sleep () from /usr/lib/libQtCore.so.4
#5  0xb7599c4e in K3b::MediaCache::PollThread::run () from /usr/lib/libk3b.so.6
#6  0xb5518e83 in ?? () from /usr/lib/libQtCore.so.4
#7  0xb4832885 in start_thread () from /lib/i686/libpthread.so.0
#8  0xb498e57e in clone () from /lib/i686/libc.so.6

Thread 2 (Thread 0xafa74b70 (LWP 26203)):
[KCrash Handler]
#6  0xb770607e in K3b::Device::Track::firstSector () from /usr/lib/libk3bdevice.so.6
#7  0xb7653cd6 in ?? () from /usr/lib/libk3b.so.6
#8  0xb76549aa in ?? () from /usr/lib/libk3b.so.6
#9  0xb7564579 in ?? () from /usr/lib/libk3b.so.6
#10 0xb5518e83 in ?? () from /usr/lib/libQtCore.so.4
#11 0xb4832885 in start_thread () from /lib/i686/libpthread.so.0
#12 0xb498e57e in clone () from /lib/i686/libc.so.6

Thread 1 (Thread 0xb3a1d6d0 (LWP 24736)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb4983246 in poll () from /lib/i686/libc.so.6
#2  0xb3d48130 in ?? () from /usr/lib/libxcb.so.1
#3  0xb3d49e34 in xcb_wait_for_reply () from /usr/lib/libxcb.so.1
#4  0xb43af8eb in _XReply () from /usr/lib/libX11.so.6
#5  0xb438d036 in XGetWindowProperty () from /usr/lib/libX11.so.6
#6  0xb4c9c32c in ?? () from /usr/lib/libQtGui.so.4
#7  0xb4cacc87 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#8  0xb4cd7d88 in ?? () from /usr/lib/libQtGui.so.4
#9  0xb4071b92 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#10 0xb4075468 in ?? () from /usr/lib/libglib-2.0.so.0
#11 0xb407558e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#12 0xb563b8f1 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#13 0xb4cd74ba in ?? () from /usr/lib/libQtGui.so.4
#14 0xb560e26d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#15 0xb560e6b9 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#16 0xb51340e1 in QDialog::exec () from /usr/lib/libQtGui.so.4
#17 0x08192270 in _start ()

Reported using DrKonqi