Application: plasma-desktop (4.11.16)
KDE Platform Version: 4.14.5
Qt Version: 4.8.6
Operating System: Linux 4.1.15-desktop-2.mga5 x86_64
Distribution: "Mageia 5"

-- Information about the crash:
- What I was doing when the application crashed:

Insert a blank recordable disc, opened the k3b program has created the project, drew disk, the program has closed. After that there was a failure.

-- Backtrace:
Application: Оболочка Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbd0b9b4780 (LWP 1456))]

Thread 3 (Thread 0x7fbcdfda1700 (LWP 1457)):
#0  0x00007fbd0a24367f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fbcfc59873a in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQtScript.so.4
#2  0x00007fbcfc598769 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQtScript.so.4
#3  0x00007fbd0a23e5bd in start_thread () from /lib64/libpthread.so.0
#4  0x00007fbd08fb681d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fbc5a418700 (LWP 1487)):
#0  0x00007fbd08faaf5d in poll () from /lib64/libc.so.6
#1  0x00007fbd06090eb4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007fbd06090fbc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007fbd0a5fbe3e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#4  0x00007fbd0a5cd931 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#5  0x00007fbd0a5cdc45 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#6  0x00007fbd0a4cb899 in QThread::exec() () from /lib64/libQtCore.so.4
#7  0x00007fbd0a5af3d3 in QInotifyFileSystemWatcherEngine::run() () from /lib64/libQtCore.so.4
#8  0x00007fbd0a4cdfff in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#9  0x00007fbd0a23e5bd in start_thread () from /lib64/libpthread.so.0
#10 0x00007fbd08fb681d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fbd0b9b4780 (LWP 1456)):
[KCrash Handler]
#5  0x00007fbd0a5cda30 in QEventLoop::exit(int) () from /lib64/libQtCore.so.4
#6  0x00007fbd0aa69b7a in KJob::emitResult() () from /lib64/libkdecore.so.5
#7  0x00007fbc5980481f in SolidDeviceJob::start() () from /usr/lib64/kde4/plasma_engine_soliddevice.so
#8  0x00007fbd0a5e6d61 in QObject::event(QEvent*) () from /lib64/libQtCore.so.4
#9  0x00007fbd0974679c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#10 0x00007fbd0974ce40 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#11 0x00007fbd0b39425a in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#12 0x00007fbd0a5cecad in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#13 0x00007fbd0a5d1be1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQtCore.so.4
#14 0x00007fbd0a5fbcae in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQtCore.so.4
#15 0x00007fbd06090c6d in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#16 0x00007fbd06090f18 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#17 0x00007fbd06090fbc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#18 0x00007fbd0a5fbe1e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#19 0x00007fbd097e44f6 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtGui.so.4
#20 0x00007fbd0a5cd931 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#21 0x00007fbd0a5cdc45 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#22 0x00007fbd0a5d2e59 in QCoreApplication::exec() () from /lib64/libQtCore.so.4
#23 0x00007fbcf395236d in kdemain () from /usr/lib64/libkdeinit4_plasma-desktop.so
#24 0x000000000040819a in launch(int, char const*, char const*, char const*, int, char const*, bool, char const*, bool, char const*) ()
#25 0x0000000000409021 in handle_launcher_request(int, char const*) [clone .isra.15] ()
#26 0x000000000040972a in handle_requests(int) ()
#27 0x0000000000405303 in main ()

Reported using DrKonqi