Application: plasma-desktop (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-13-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
I had the Plasma panel customization view open and was changing some settings in one of the settings windows, and when I clicked an option the desktop and all the settings windows that was open crashed.

-- Backtrace:
Application: Plasma skrivbordskal (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbb66edb7c0 (LWP 6909))]

Thread 4 (Thread 0x7fbb3c9c5700 (LWP 6913)):
#0  0x00007fbb667ba6bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbb59b69670 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb59b2a1cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb59b2a63b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbb59b2a7ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbb63394a76 in QEventDispatcherGlib::processEvents (this=0x7fbb300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fbb633665ef in QEventLoop::processEvents (this=this@entry=0x7fbb3c9c4d70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fbb633668e5 in QEventLoop::exec (this=this@entry=0x7fbb3c9c4d70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fbb6326588f in QThread::exec (this=this@entry=0x17c91c0) at thread/qthread.cpp:542
#9  0x00007fbb63347d13 in QInotifyFileSystemWatcherEngine::run (this=0x17c91c0) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007fbb63267f2f in QThreadPrivate::start (arg=0x17c91c0) at thread/qthread_unix.cpp:338
#11 0x00007fbb5a234f6e in start_thread (arg=0x7fbb3c9c5700) at pthread_create.c:311
#12 0x00007fbb667c89cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fbb36df5700 (LWP 6914)):
#0  __pthread_mutex_unlock_usercnt (mutex=0x7fbb2c000a60, decr=1) at pthread_mutex_unlock.c:52
#1  0x00007fbb59b6a3d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb59b2a119 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb59b2a63b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbb59b2a7ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbb63394a76 in QEventDispatcherGlib::processEvents (this=0x7fbb2c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fbb633665ef in QEventLoop::processEvents (this=this@entry=0x7fbb36df4d70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fbb633668e5 in QEventLoop::exec (this=this@entry=0x7fbb36df4d70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fbb6326588f in QThread::exec (this=this@entry=0x1a14d50) at thread/qthread.cpp:542
#9  0x00007fbb63347d13 in QInotifyFileSystemWatcherEngine::run (this=0x1a14d50) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007fbb63267f2f in QThreadPrivate::start (arg=0x1a14d50) at thread/qthread_unix.cpp:338
#11 0x00007fbb5a234f6e in start_thread (arg=0x7fbb36df5700) at pthread_create.c:311
#12 0x00007fbb667c89cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fbb365f4700 (LWP 6915)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbb5fb7b06b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fbb5fb7b0a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fbb5a234f6e in start_thread (arg=0x7fbb365f4700) at pthread_create.c:311
#4  0x00007fbb667c89cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fbb66edb7c0 (LWP 6909)):
[KCrash Handler]
#6  0x00007fbb631bb270 in vtable for QLabel () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#7  0x00007fbb6337cb34 in QObject::connect (sender=sender@entry=0x4de7380, signal=signal@entry=0x7fbb6643cf6e "2destroyed(QObject*)", receiver=receiver@entry=0x10515a0, method=method@entry=0x7fbb6644e9e7 "1onWidgetDestroyed(QObject*)", type=type@entry=Qt::AutoConnection) at kernel/qobject.cpp:2550
#8  0x00007fbb6637e20b in Plasma::ToolTipManager::registerWidget (this=this@entry=0x10515a0, widget=widget@entry=0x4de7380) at ../../plasma/tooltipmanager.cpp:209
#9  0x00007fbb6637e36b in Plasma::ToolTipManager::setContent (this=0x10515a0, widget=widget@entry=0x4de7380, data=...) at ../../plasma/tooltipmanager.cpp:235
#10 0x00007fbb46d942fa in ToolTipProxy::updateToolTip (this=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/support/tooltip.cpp:252
#11 0x00007fbb6337ba58 in QMetaObject::activate (sender=sender@entry=0x1b7c810, m=m@entry=0x7fbb46f99d00 <ToolTipProxy::staticMetaObject>, local_signal_index=local_signal_index@entry=5, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#12 0x00007fbb46d94857 in highlightWindowsChanged (this=0x1b7c810) at ./tooltip.moc:210
#13 setHighlightWindows (highlight=<optimized out>, this=0x1b7c810) at ../../../../../plasma/desktop/applets/tasks/support/tooltip.cpp:193
#14 ToolTipProxy::qt_metacall (this=0x1b7c810, _c=QMetaObject::WriteProperty, _id=5, _a=0x7fff087adab0) at ./tooltip.moc:157
#15 0x00007fbb64fb7f29 in QDeclarativeVMEMetaObject::metaCall (this=0x1b7d760, c=QMetaObject::WriteProperty, _id=6, a=0x7fff087adab0) at qml/qdeclarativevmemetaobject.cpp:673
#16 0x00007fbb6502b31e in QDeclarativeCompiledBindingsPrivate::run (this=this@entry=0x1b7de90, instrIndex=<optimized out>, context=0x1b90bb0, error=error@entry=0x1bb57d8, scope=0x1b7c810, output=0x1b7c810, storeFlags=...) at qml/qdeclarativecompiledbindings.cpp:1540
#17 0x00007fbb6502c057 in QDeclarativeCompiledBindingsPrivate::run (this=this@entry=0x1b7de90, binding=0x1bb5798, flags=...) at qml/qdeclarativecompiledbindings.cpp:428
#18 0x00007fbb6502c2b0 in QDeclarativeCompiledBindings::qt_metacall (this=<optimized out>, c=<optimized out>, id=<optimized out>) at qml/qdeclarativecompiledbindings.cpp:380
#19 0x00007fbb6337bc52 in QMetaObject::activate (sender=0x1b75fe0, m=<optimized out>, local_signal_index=<optimized out>, argv=argv@entry=0x0) at kernel/qobject.cpp:3558
#20 0x00007fbb6337c3c3 in QMetaObject::activate (sender=<optimized out>, signal_index=<optimized out>, argv=argv@entry=0x0) at kernel/qobject.cpp:3615
#21 0x00007fbb64fb82ce in QDeclarativeVMEMetaObject::metaCall (this=0x1b6aa80, c=QMetaObject::WriteProperty, _id=<optimized out>, a=0x7fff087ae190) at qml/qdeclarativevmemetaobject.cpp:564
#22 0x00007fbb63371796 in QMetaProperty::write (this=this@entry=0x7fff087ae210, object=object@entry=0x1b75fe0, value=...) at kernel/qmetaobject.cpp:2364
#23 0x00007fbb6338156f in QObject::setProperty (this=0x1b75fe0, name=name@entry=0x7fbb46d94cd2 "highlightWindows", value=...) at kernel/qobject.cpp:3717
#24 0x00007fbb46d8e2f1 in Tasks::configChanged (this=0x14adc10) at ../../../../../plasma/desktop/applets/tasks/tasks.cpp:457
#25 0x00007fbb662be448 in Plasma::AppletPrivate::configDialogFinished (this=0x14ae050) at ../../plasma/applet.cpp:2152
#26 0x00007fbb662be8a9 in Plasma::Applet::qt_static_metacall (_o=0x4de7380, _id=1715720046, _a=0x7fbb63444076, _c=<optimized out>) at ./applet.moc:199
#27 0x00007fbb6337ba58 in QMetaObject::activate (sender=sender@entry=0x880b960, m=m@entry=0x7fbb6442a420 <KDialog::staticMetaObject>, local_signal_index=local_signal_index@entry=7, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#28 0x00007fbb63f8d5b3 in KDialog::applyClicked (this=this@entry=0x880b960) at ./kdialog.moc:260
#29 0x00007fbb63f8dc06 in KDialog::slotButtonClicked (this=0x880b960, button=8) at ../../kdeui/dialogs/kdialog.cpp:888
#30 0x00007fbb63f8f57f in KDialog::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at ./kdialog.moc:167
#31 0x00007fbb6337ba58 in QMetaObject::activate (sender=sender@entry=0x8ea0970, m=m@entry=0x7fbb636c7d60 <QSignalMapper::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff087ae670) at kernel/qobject.cpp:3539
#32 0x00007fbb6338313e in QSignalMapper::mapped (this=this@entry=0x8ea0970, _t1=8) at .moc/release-shared/moc_qsignalmapper.cpp:115
#33 0x00007fbb63383246 in QSignalMapper::map (this=0x8ea0970, sender=0x343e890) at kernel/qsignalmapper.cpp:266
#34 0x00007fbb6337ba58 in QMetaObject::activate (sender=sender@entry=0x343e890, m=m@entry=0x7fbb631d72a0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff087ae7e0) at kernel/qobject.cpp:3539
#35 0x00007fbb62d52732 in QAbstractButton::clicked (this=this@entry=0x343e890, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#36 0x00007fbb62ab5f73 in QAbstractButtonPrivate::emitClicked (this=this@entry=0x8b93390) at widgets/qabstractbutton.cpp:548
#37 0x00007fbb62ab70e3 in QAbstractButtonPrivate::click (this=this@entry=0x8b93390) at widgets/qabstractbutton.cpp:541
#38 0x00007fbb62ab71cc in QAbstractButton::mouseReleaseEvent (this=0x343e890, e=0x7fff087aecd0) at widgets/qabstractbutton.cpp:1123
#39 0x00007fbb6275431e in QWidget::event (this=0x343e890, event=0x7fff087aecd0) at kernel/qwidget.cpp:8375
#40 0x00007fbb62704dfc in QApplicationPrivate::notify_helper (this=this@entry=0xeec870, receiver=receiver@entry=0x343e890, e=e@entry=0x7fff087aecd0) at kernel/qapplication.cpp:4567
#41 0x00007fbb6270b5ad in QApplication::notify (this=this@entry=0xec0f50, receiver=receiver@entry=0x343e890, e=e@entry=0x7fff087aecd0) at kernel/qapplication.cpp:4110
#42 0x00007fbb6402ba6a in KApplication::notify (this=0xec0f50, receiver=0x343e890, event=0x7fff087aecd0) at ../../kdeui/kernel/kapplication.cpp:311
#43 0x00007fbb633678bd in QCoreApplication::notifyInternal (this=0xec0f50, receiver=receiver@entry=0x343e890, event=event@entry=0x7fff087aecd0) at kernel/qcoreapplication.cpp:946
#44 0x00007fbb6270ad63 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#45 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x343e890, event=event@entry=0x7fff087aecd0, alienWidget=alienWidget@entry=0x343e890, nativeWidget=nativeWidget@entry=0x880b960, buttonDown=buttonDown@entry=0x7fbb631e92f8 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#46 0x00007fbb6277f7db in QETWidget::translateMouseEvent (this=this@entry=0x880b960, event=event@entry=0x7fff087af050) at kernel/qapplication_x11.cpp:4631
#47 0x00007fbb6277f079 in QApplication::x11ProcessEvent (this=0xec0f50, event=event@entry=0x7fff087af050) at kernel/qapplication_x11.cpp:3624
#48 0x00007fbb627a6922 in x11EventSourceDispatch (s=0xef2400, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#49 0x00007fbb59b2a3b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007fbb59b2a708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007fbb59b2a7ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007fbb63394a55 in QEventDispatcherGlib::processEvents (this=0xe50ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#53 0x00007fbb627a69d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#54 0x00007fbb633665ef in QEventLoop::processEvents (this=this@entry=0x7fff087af430, flags=...) at kernel/qeventloop.cpp:149
#55 0x00007fbb633668e5 in QEventLoop::exec (this=this@entry=0x7fff087af430, flags=...) at kernel/qeventloop.cpp:204
#56 0x00007fbb6336be5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#57 0x00007fbb6270334c in QApplication::exec () at kernel/qapplication.cpp:3828
#58 0x00007fbb66ad227c in kdemain (argc=1, argv=0x7fff087af688) at ../../../../plasma/desktop/shell/main.cpp:126
#59 0x00007fbb666efde5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fff087af688, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff087af678) at libc-start.c:260
#60 0x000000000040070e in _start ()

Reported using DrKonqi