Application: plasma-desktop (4.11.16)
KDE Platform Version: 4.14.5
Qt Version: 4.8.6
Operating System: Linux 3.19.8-server-3.mga5 i686
Distribution: "Mageia 5"

-- Information about the crash:
- What I was doing when the application crashed:
After having selected and applied "Androbit" theme to my desktop, and as systemsettings window was still open (at the desktop theme configuration page), I saw my CWP weather plasmoid was displaying nothing and opened the settings window. I use this plasmoid because it's the only one that shows me weather images, the others refuses to work (too long to load, system cut them before they collect the informations). I enter the configuration ("myforecast" weather site because I already had their code for my town, "Lyon" in France). When I clicked "OK" to apply the config and close that second window, the whole plasma graphics disappeared. Stay only the systemsettings window upon a black screen, and the newly appeared crash assistant with which I send this report.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i686/libthread_db.so.1".
[Current thread is 1 (Thread 0xb50a0740 (LWP 3009))]

Thread 3 (Thread 0xa856ab40 (LWP 3011)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/i686/libpthread.so.0
#2  0xffffffff in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib/libQtScript.so.4
#3  0xffffffff in  () at /lib/libQtScript.so.4
#4  0xffffffff in start_thread () at /lib/i686/libpthread.so.0
#5  0xffffffff in clone () at /lib/i686/libc.so.6

Thread 2 (Thread 0x9f43fb40 (LWP 3019)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/i686/libc.so.6
#2  0xffffffff in g_poll () at /lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQtCore.so.4
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQtCore.so.4
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQtCore.so.4
#8  0xffffffff in QThread::exec() () at /lib/libQtCore.so.4
#9  0xffffffff in QInotifyFileSystemWatcherEngine::run() () at /lib/libQtCore.so.4
#10 0xffffffff in QThreadPrivate::start(void*) () at /lib/libQtCore.so.4
#11 0xffffffff in start_thread () at /lib/i686/libpthread.so.0
#12 0xffffffff in clone () at /lib/i686/libc.so.6

Thread 1 (Thread 0xb50a0740 (LWP 3009)):
[KCrash Handler]
#6  0xffffffff in QString::operator==(QString const&) const () at /lib/libQtCore.so.4
#7  0xffffffff in Data_Provider::rawDataFromUrl(QString const&) () at /usr/lib/kde4/plasma_applet_cwp.so
#8  0xffffffff in Data_Provider::dataCommandStarted() () at /usr/lib/kde4/plasma_applet_cwp.so
#9  0xffffffff in Data_Provider::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.38] () at /usr/lib/kde4/plasma_applet_cwp.so
#10 0xffffffff in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /lib/libQtCore.so.4
#11 0xffffffff in QProcess::started() () at /lib/libQtCore.so.4
#12 0xffffffff in QProcessPrivate::_q_startupNotification() () at /lib/libQtCore.so.4
#13 0xffffffff in QProcess::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.26] () at /lib/libQtCore.so.4
#14 0xffffffff in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /lib/libQtCore.so.4
#15 0xffffffff in QSocketNotifier::activated(int) () at /lib/libQtCore.so.4
#16 0xffffffff in QSocketNotifier::event(QEvent*) () at /lib/libQtCore.so.4
#17 0xffffffff in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/libQtGui.so.4
#18 0xffffffff in QApplication::notify(QObject*, QEvent*) () at /lib/libQtGui.so.4
#19 0xffffffff in KApplication::notify(QObject*, QEvent*) () at /lib/libkdeui.so.5
#20 0xffffffff in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib/libQtCore.so.4
#21 0xffffffff in socketNotifierSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib/libQtCore.so.4
#22 0xffffffff in g_main_context_dispatch () at /lib/libglib-2.0.so.0
#23 0xffffffff in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#24 0xffffffff in g_main_context_iteration () at /lib/libglib-2.0.so.0
#25 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQtCore.so.4
#26 0xffffffff in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQtGui.so.4
#27 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQtCore.so.4
#28 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQtCore.so.4
#29 0xffffffff in QCoreApplication::exec() () at /lib/libQtCore.so.4
#30 0xffffffff in QApplication::exec() () at /lib/libQtGui.so.4
#31 0xffffffff in kdemain () at /usr/lib/libkdeinit4_plasma-desktop.so
#32 0x0804ef22 in launch(int, char const*, char const*, char const*, int, char const*, bool, char const*, bool, char const*) ()
#33 0x0804fc63 in handle_launcher_request(int, char const*) [clone .isra.14] ()
#34 0x0805037b in handle_requests(int) ()
#35 0x0804c09c in main ()

Reported using DrKonqi