Application: k3b (2.0.2)
KDE Platform Version: 4.10.3
Qt Version: 4.8.4
Operating System: Linux 3.8.0-23-generic x86_64
Distribution: Linux Mint 15 Olivia

-- Information about the crash:
I needed to write an iso file (approx 2.6 GB) to a DVD-R disk. The blanks are Maxell 16x DVD-R being written in an LG drive with the model number GH22LP20. I'm running Mint Linux 15 (olivia) with the cinnamon desktop and I've installed the KDE runtime so that I can use K3B. KDE was installed from the packages in  the linux mint repositories.

I ran the burn in simulate mode and received no errors. I than re-ran the burn with auto speed detection, auto mode and verify written data selected. The burn seemed to progress without error reaching 100% write complete, 50% overall. As soon as the verification started I received a warning message saying that no suitable medium was detected and that I was to load a DVD. As the medium was already loaded I was left with no option but to cancel the burn at this stage.

Following the cancellation I attempted to use the eject function from the K3B menu but the disk refused to eject. I then tried to close K3B using the close widget on the window (the x top right) but got no response. On the second attempt to close the window K3B crashed.

On reinserting the burned DVD I am informed that the medium is empty, However, examination of the surface would seem to indicate that the files were burned.

-- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8cdb7d5800 (LWP 12170))]

Thread 6 (Thread 0x7f8cb6f01700 (LWP 12173)):
#0  0x00007fff997feaf7 in ?? ()
#1  0x4040404040404040 in ?? ()
#2  0x00000002b0002e10 in ?? ()
#3  0x00007f8cb0001350 in ?? ()
#4  0x00007f8cb6f00a80 in ?? ()
#5  0x00007f8cb6f00b38 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f8cae0e9700 (LWP 12308)):
#0  0x00007f8ccf3dcca4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f8cd93de585 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f8cd93de5d9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f8ccf69d1b4 in ?? () from /usr/lib/nvidia-313-updates/libGL.so.1
#4  0x00007f8ccf3d8f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007f8cd4d38e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7f8cad8e8700 (LWP 12312)):
#0  0x00007f8ccf3dcca4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f8cd9124a09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f8cd940ccee in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f8ccf69d1b4 in ?? () from /usr/lib/nvidia-313-updates/libGL.so.1
#4  0x00007f8ccf3d8f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007f8cd4d38e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7f8cad0e7700 (LWP 12313)):
#0  0x00007fff997feaf7 in ?? ()
#1  0x00007f8cad0e6a80 in ?? ()
#2  0x0000000200000001 in ?? ()
#3  0x00007f8ca0001440 in ?? ()
#4  0x00007f8cad0e6ab0 in ?? ()
#5  0x00007f8cad0e6b68 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f8c5bbd1700 (LWP 12659)):
#0  0x00007f8ccf3dd05e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f8cd62ac7f6 in thread_sleep (ti=ti@entry=0x7f8c5bbd0c80) at thread/qthread_unix.cpp:475
#2  0x00007f8cd62acf96 in QThread::sleep (secs=secs@entry=2) at thread/qthread_unix.cpp:489
#3  0x00007f8cdb0be7f5 in K3b::MediaCache::PollThread::run (this=0x150fca0) at /build/buildd/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007f8cd62adbec in QThreadPrivate::start (arg=0x150fca0) at thread/qthread_unix.cpp:338
#5  0x00007f8ccf69d1b4 in ?? () from /usr/lib/nvidia-313-updates/libGL.so.1
#6  0x00007f8ccf3d8f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007f8cd4d38e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f8cdb7d5800 (LWP 12170)):
[KCrash Handler]
#5  0x00007f8cdb09ad41 in K3b::Job::waitForMedium (this=this@entry=0x1d5ea10, device=0x1a7be50, mediaState=..., mediaType=..., minMediaSize=..., message=...) at /build/buildd/k3b-2.0.2/libk3b/core/k3bjob.cpp:146
#6  0x00007f8cdb100ccd in K3b::VerificationJob::slotMediaLoaded (this=0x1d5ea10) at /build/buildd/k3b-2.0.2/libk3b/jobs/k3bverificationjob.cpp:252
#7  0x00007f8cdb101d75 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at /build/buildd/k3b-2.0.2/obj-x86_64-linux-gnu/libk3b/k3bverificationjob.moc:75
#8  K3b::VerificationJob::qt_static_metacall (_o=0x1d5ea10, _c=27770448, _id=-1719901904, _a=0x7fff997c6140) at /build/buildd/k3b-2.0.2/obj-x86_64-linux-gnu/libk3b/k3bverificationjob.moc:62
#9  0x00007f8cd63bf0ef in QMetaObject::activate (sender=sender@entry=0x24617a0, m=m@entry=0x7f8cdb3c2a00 <K3b::Device::DeviceHandler::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff997c6330) at kernel/qobject.cpp:3539
#10 0x00007f8cdb0a884f in K3b::Device::DeviceHandler::finished (this=this@entry=0x24617a0, _t1=_t1@entry=0x24617a0) at /build/buildd/k3b-2.0.2/obj-x86_64-linux-gnu/libk3b/k3bdevicehandler.moc:126
#11 0x00007f8cdb0a8878 in K3b::Device::DeviceHandler::jobFinished (this=0x24617a0, success=<optimized out>) at /build/buildd/k3b-2.0.2/libk3b/tools/k3bdevicehandler.cpp:208
#12 0x00007f8cd63c45be in QObject::event (this=0x24617a0, e=<optimized out>) at kernel/qobject.cpp:1194
#13 0x00007f8cd54d58ec in QApplicationPrivate::notify_helper (this=this@entry=0x15a47e0, receiver=receiver@entry=0x24617a0, e=e@entry=0x7f8c4c001350) at kernel/qapplication.cpp:4567
#14 0x00007f8cd54d825b in QApplication::notify (this=0x7fff997c6e10, receiver=0x24617a0, e=0x7f8c4c001350) at kernel/qapplication.cpp:4428
#15 0x00007f8cd6df3af6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#16 0x00007f8cd63aa63e in QCoreApplication::notifyInternal (this=0x7fff997c6e10, receiver=receiver@entry=0x24617a0, event=event@entry=0x7f8c4c001350) at kernel/qcoreapplication.cpp:946
#17 0x00007f8cd63ae171 in sendEvent (event=0x7f8c4c001350, receiver=0x24617a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x14b5220) at kernel/qcoreapplication.cpp:1570
#19 0x00007f8cd63ae4a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#20 0x00007f8cd63d8e83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#21 postEventSourceDispatch (s=0x158a150) at kernel/qeventdispatcher_glib.cpp:279
#22 0x00007f8cd013df05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f8cd013e248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f8cd013e304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f8cd63d9016 in QEventDispatcherGlib::processEvents (this=0x14b6b00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#26 0x00007f8cd557b1ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f8cd63a938f in QEventLoop::processEvents (this=this@entry=0x7fff997c6c40, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f8cd63a9618 in QEventLoop::exec (this=this@entry=0x7fff997c6c40, flags=...) at kernel/qeventloop.cpp:204
#29 0x00007f8cd63aecf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#30 0x00007f8cd54d3ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#31 0x00000000004449a2 in main (argc=<optimized out>, argv=0x7fff997c6f58) at /build/buildd/k3b-2.0.2/src/main.cpp:165

Reported using DrKonqi