Application: plasma-desktop (4.11.9)
KDE Platform Version: 4.13.0
Qt Version: 4.8.6
Operating System: Linux 3.13.0-29-generic x86_64
Distribution: Ubuntu 14.04 LTS

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

I had launched the configuration of the tasks panel ("Configuration de Gestionnaire de tâches" in French), selected option "Highlight windows" ("Mettre les fenêtres en surbrillance" in French) and clicked Ok.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb7b9b167c0 (LWP 1815))]

Thread 5 (Thread 0x7fb78f5cd700 (LWP 1818)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb7b27b0ffb in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fb7b27b1039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fb7ad05d182 in start_thread (arg=0x7fb78f5cd700) at pthread_create.c:312
#4  0x00007fb7b93fe30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fb70964a700 (LWP 1820)):
#0  0x00007fb7ad0607ee in __pthread_mutex_unlock_usercnt (decr=1, mutex=0x7fb704000a60) at pthread_mutex_unlock.c:57
#1  __GI___pthread_mutex_unlock (mutex=0x7fb704000a60) at pthread_mutex_unlock.c:310
#2  0x00007fb7ac98d9c1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb7ac94b680 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb7ac94bf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb7ac94c0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fb7b5fc67be in QEventDispatcherGlib::processEvents (this=0x7fb7040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0x00007fb7b5f980af in QEventLoop::processEvents (this=this@entry=0x7fb709649de0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007fb7b5f983a5 in QEventLoop::exec (this=this@entry=0x7fb709649de0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007fb7b5e94c5f in QThread::exec (this=this@entry=0x14d6b30) at thread/qthread.cpp:537
#10 0x00007fb7b5f79823 in QInotifyFileSystemWatcherEngine::run (this=0x14d6b30) at io/qfilesystemwatcher_inotify.cpp:265
#11 0x00007fb7b5e9732f in QThreadPrivate::start (arg=0x14d6b30) at thread/qthread_unix.cpp:349
#12 0x00007fb7ad05d182 in start_thread (arg=0x7fb70964a700) at pthread_create.c:312
#13 0x00007fb7b93fe30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fb702c66700 (LWP 1821)):
#0  0x00007fb7b93ef6bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fb7ac98cc20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb7ac94bb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb7ac94bf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb7ac94c0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb7b5fc67be in QEventDispatcherGlib::processEvents (this=0x7fb6fc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007fb7b5f980af in QEventLoop::processEvents (this=this@entry=0x7fb702c65de0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fb7b5f983a5 in QEventLoop::exec (this=this@entry=0x7fb702c65de0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fb7b5e94c5f in QThread::exec (this=this@entry=0x108a4c0) at thread/qthread.cpp:537
#9  0x00007fb7b5f79823 in QInotifyFileSystemWatcherEngine::run (this=0x108a4c0) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007fb7b5e9732f in QThreadPrivate::start (arg=0x108a4c0) at thread/qthread_unix.cpp:349
#11 0x00007fb7ad05d182 in start_thread (arg=0x7fb702c66700) at pthread_create.c:312
#12 0x00007fb7b93fe30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fb6f8ecf700 (LWP 1830)):
#0  0x00007ffffadfe988 in ?? ()
#1  0x000000007fffffff in ?? ()
#2  0x00007fb7b5fc66c0 in ?? () at kernel/qeventdispatcher_glib.cpp:149 from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007fb6f8ecec30 in ?? ()
#4  0x00007fb6f4002d30 in ?? ()
#5  0x00007fb6f4002d30 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb7b9b167c0 (LWP 1815)):
[KCrash Handler]
#6  0x00007fb7b5fb163e in QObject::installEventFilter (this=this@entry=0x30fb140, obj=obj@entry=0xc8aef0) at kernel/qobject.cpp:2015
#7  0x00007fb7b8fb2ecf in Plasma::ToolTipManager::registerWidget (this=this@entry=0xc8aef0, widget=widget@entry=0x30fb140) at ../../plasma/tooltipmanager.cpp:208
#8  0x00007fb7b8fb304b in Plasma::ToolTipManager::setContent (this=0xc8aef0, widget=widget@entry=0x30fb140, data=...) at ../../plasma/tooltipmanager.cpp:235
#9  0x00007fb79094933a in ToolTipProxy::updateToolTip (this=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/support/tooltip.cpp:252
#10 0x00007fb7b5fad87a in QMetaObject::activate (sender=sender@entry=0xf9ccb0, m=m@entry=0x7fb790b4ed00 <ToolTipProxy::staticMetaObject>, local_signal_index=local_signal_index@entry=5, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#11 0x00007fb790949897 in highlightWindowsChanged (this=0xf9ccb0) at ./tooltip.moc:209
#12 setHighlightWindows (highlight=<optimized out>, this=0xf9ccb0) at ../../../../../plasma/desktop/applets/tasks/support/tooltip.cpp:193
#13 ToolTipProxy::qt_metacall (this=0xf9ccb0, _c=QMetaObject::WriteProperty, _id=5, _a=0x7ffffade1260) at ./tooltip.moc:156
#14 0x00007fb7b7beacd9 in QDeclarativeVMEMetaObject::metaCall (this=0xfac970, c=QMetaObject::WriteProperty, _id=6, a=0x7ffffade1260) at qml/qdeclarativevmemetaobject.cpp:673
#15 0x00007fb7b7c5f58e in QDeclarativeCompiledBindingsPrivate::run (this=this@entry=0xfb66c0, instrIndex=<optimized out>, context=0xfa3290, error=error@entry=0xff4fe8, scope=0xf9ccb0, output=0xf9ccb0, storeFlags=...) at qml/qdeclarativecompiledbindings.cpp:1540
#16 0x00007fb7b7c602c7 in QDeclarativeCompiledBindingsPrivate::run (this=this@entry=0xfb66c0, binding=0xff4fa8, flags=...) at qml/qdeclarativecompiledbindings.cpp:428
#17 0x00007fb7b7c60520 in QDeclarativeCompiledBindings::qt_metacall (this=<optimized out>, c=<optimized out>, id=<optimized out>) at qml/qdeclarativecompiledbindings.cpp:380
#18 0x00007fb7b5fada78 in QMetaObject::activate (sender=0xfae810, m=<optimized out>, local_signal_index=<optimized out>, argv=argv@entry=0x0) at kernel/qobject.cpp:3569
#19 0x00007fb7b5fae223 in QMetaObject::activate (sender=<optimized out>, signal_index=<optimized out>, argv=argv@entry=0x0) at kernel/qobject.cpp:3626
#20 0x00007fb7b7beb07e in QDeclarativeVMEMetaObject::metaCall (this=0xfbdd10, c=QMetaObject::WriteProperty, _id=<optimized out>, a=0x7ffffade1940) at qml/qdeclarativevmemetaobject.cpp:564
#21 0x00007fb7b5fa3496 in QMetaProperty::write (this=this@entry=0x7ffffade19c0, object=object@entry=0xfae810, value=...) at kernel/qmetaobject.cpp:2364
#22 0x00007fb7b5fb33bf in QObject::setProperty (this=0xfae810, name=name@entry=0x7fb790949d2f "highlightWindows", value=...) at kernel/qobject.cpp:3728
#23 0x00007fb790943335 in Tasks::configChanged (this=0xeb6800) at ../../../../../plasma/desktop/applets/tasks/tasks.cpp:454
#24 0x00007fb7b8ef34e8 in Plasma::AppletPrivate::configDialogFinished (this=0xeb2950) at ../../plasma/applet.cpp:2152
#25 0x00007fb7b8ef3949 in Plasma::Applet::qt_static_metacall (_o=0x30fb140, _id=13151984, _a=0x7fb7b96c2788 <main_arena+40>, _c=<optimized out>) at ./applet.moc:198
#26 0x00007fb7b5fad87a in QMetaObject::activate (sender=sender@entry=0x2298450, m=m@entry=0x7fb7b705d3e0 <KDialog::staticMetaObject>, local_signal_index=local_signal_index@entry=7, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#27 0x00007fb7b6bc06f3 in KDialog::applyClicked (this=this@entry=0x2298450) at ./kdialog.moc:259
#28 0x00007fb7b6bc0d46 in KDialog::slotButtonClicked (this=0x2298450, button=8) at ../../kdeui/dialogs/kdialog.cpp:888
#29 0x00007fb7b6bc26bf in KDialog::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at ./kdialog.moc:166
#30 0x00007fb7b5fad87a in QMetaObject::activate (sender=sender@entry=0x30cd730, m=m@entry=0x7fb7b62fad60 <QSignalMapper::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffffade1e20) at kernel/qobject.cpp:3539
#31 0x00007fb7b5fb4fbe in QSignalMapper::mapped (this=this@entry=0x30cd730, _t1=8) at .moc/release-shared/moc_qsignalmapper.cpp:114
#32 0x00007fb7b5fb50c6 in QSignalMapper::map (this=0x30cd730, sender=0x3102540) at kernel/qsignalmapper.cpp:266
#33 0x00007fb7b5fad87a in QMetaObject::activate (sender=sender@entry=0x3102540, m=m@entry=0x7fb7b5e062a0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffffade1f90) at kernel/qobject.cpp:3539
#34 0x00007fb7b59810d2 in QAbstractButton::clicked (this=this@entry=0x3102540, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:219
#35 0x00007fb7b56e49d3 in QAbstractButtonPrivate::emitClicked (this=this@entry=0x34f74c0) at widgets/qabstractbutton.cpp:548
#36 0x00007fb7b56e5b43 in QAbstractButtonPrivate::click (this=this@entry=0x34f74c0) at widgets/qabstractbutton.cpp:541
#37 0x00007fb7b56e5c2c in QAbstractButton::mouseReleaseEvent (this=0x3102540, e=0x7ffffade2480) at widgets/qabstractbutton.cpp:1123
#38 0x00007fb7b538250a in QWidget::event (this=0x3102540, event=0x7ffffade2480) at kernel/qwidget.cpp:8376
#39 0x00007fb7b5332e2c in QApplicationPrivate::notify_helper (this=this@entry=0xaa1d70, receiver=receiver@entry=0x3102540, e=e@entry=0x7ffffade2480) at kernel/qapplication.cpp:4567
#40 0x00007fb7b53395dd in QApplication::notify (this=this@entry=0xa80d40, receiver=receiver@entry=0x3102540, e=e@entry=0x7ffffade2480) at kernel/qapplication.cpp:4110
#41 0x00007fb7b6c5ebaa in KApplication::notify (this=0xa80d40, receiver=0x3102540, event=0x7ffffade2480) at ../../kdeui/kernel/kapplication.cpp:311
#42 0x00007fb7b5f994dd in QCoreApplication::notifyInternal (this=0xa80d40, receiver=receiver@entry=0x3102540, event=event@entry=0x7ffffade2480) at kernel/qcoreapplication.cpp:953
#43 0x00007fb7b5338d93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#44 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x3102540, event=event@entry=0x7ffffade2480, alienWidget=alienWidget@entry=0x3102540, nativeWidget=nativeWidget@entry=0x2298450, buttonDown=buttonDown@entry=0x7fb7b5e18318 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#45 0x00007fb7b53ad9cb in QETWidget::translateMouseEvent (this=this@entry=0x2298450, event=event@entry=0x7ffffade2800) at kernel/qapplication_x11.cpp:4634
#46 0x00007fb7b53ad269 in QApplication::x11ProcessEvent (this=0xa80d40, event=event@entry=0x7ffffade2800) at kernel/qapplication_x11.cpp:3627
#47 0x00007fb7b53d4b02 in x11EventSourceDispatch (s=0xaa7000, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#48 0x00007fb7ac94be04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007fb7ac94c048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007fb7ac94c0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007fb7b5fc67be in QEventDispatcherGlib::processEvents (this=0xa12af0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#52 0x00007fb7b53d4bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#53 0x00007fb7b5f980af in QEventLoop::processEvents (this=this@entry=0x7ffffade2bd0, flags=...) at kernel/qeventloop.cpp:149
#54 0x00007fb7b5f983a5 in QEventLoop::exec (this=this@entry=0x7ffffade2bd0, flags=...) at kernel/qeventloop.cpp:204
#55 0x00007fb7b5f9db79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#56 0x00007fb7b533137c in QApplication::exec () at kernel/qapplication.cpp:3828
#57 0x00007fb7b970566c in kdemain (argc=1, argv=0x7ffffade2e28) at ../../../../plasma/desktop/shell/main.cpp:126
#58 0x00007fb7b9324ec5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, argv=0x7ffffade2e28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffffade2e18) at libc-start.c:287
#59 0x000000000040070e in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 325944.

Possible duplicates by query: bug 336116, bug 335982, bug 331639, bug 330640, bug 327682.

Reported using DrKonqi