Application: systemsettings (1.0)
KDE Platform Version: 4.9.2
Qt Version: 4.8.2
Operating System: Linux 3.2.0-32-generic-pae i686
Distribution: Ubuntu 12.04.1 LTS

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

I Was changing some configurations in "Workspace appearance", when i clicked in the button "overview", "System Settings" crashed.

The crash can be reproduced every time.

-- Backtrace:
Application: Configurações do sistema (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1c81740 (LWP 12258))]

Thread 3 (Thread 0xae330b40 (LWP 12259)):
#0  0xb2da8dcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb5f623b5 in do_gettime (frac=0xae32ffb0, sec=0xae32ffa8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb604c6f6 in QTimerInfoList::updateCurrentTime (this=0xada02074) at kernel/qeventdispatcher_unix.cpp:343
#4  0xb604ca4a in QTimerInfoList::timerWait (this=0xada02074, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0xb604b2f3 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xae3300bc) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb604b38d in timerSourcePrepare (source=0xada02040, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb2fcd872 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb2fcdfaf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb2fce201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb604bdb7 in QEventDispatcherGlib::processEvents (this=0xada00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0xb601767d in QEventLoop::processEvents (this=0xae330240, flags=...) at kernel/qeventloop.cpp:149
#12 0xb6017919 in QEventLoop::exec (this=0xae330240, flags=...) at kernel/qeventloop.cpp:204
#13 0xb5f009ec in QThread::exec (this=0x8466930) at thread/qthread.cpp:501
#14 0xb5ff4ccd in QInotifyFileSystemWatcherEngine::run (this=0x8466930) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb5f03e80 in QThreadPrivate::start (arg=0x8466930) at thread/qthread_unix.cpp:307
#16 0xb309fd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0xb5cfbd3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xad9c8b40 (LWP 12260)):
#0  0xb7742424 in __kernel_vsyscall ()
#1  0xb30a396b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb5d0964c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb41a3029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb41a306f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb309fd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb5cfbd3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1c81740 (LWP 12258)):
[KCrash Handler]
#7  0xb3bfa07e in QDeclarativeItem::~QDeclarativeItem (this=0x8740b80, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#8  0xb3bb8a50 in ~QDeclarativeElement (this=0x8740b80, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#9  QDeclarativePrivate::QDeclarativeElement<QDeclarativeItem>::~QDeclarativeElement (this=0x8740b80, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#10 0xb602d1d3 in qDeleteInEventHandler (o=0x8740b80) at kernel/qobject.cpp:4277
#11 0xb6034178 in QObject::event (this=0x8740b80, e=0x84d1158) at kernel/qobject.cpp:1176
#12 0xb3bf3ae2 in QDeclarativeItem::event (this=0x8740b80, ev=0x84d1158) at graphicsitems/qdeclarativeitem.cpp:3746
#13 0xb6606df4 in notify_helper (e=0x84d1158, receiver=0x8740b80, this=0x817ced8) at kernel/qapplication.cpp:4556
#14 QApplicationPrivate::notify_helper (this=0x817ced8, receiver=0x8740b80, e=0x84d1158) at kernel/qapplication.cpp:4528
#15 0xb660c15d in QApplication::notify (this=0x84d1158, receiver=0x8740b80, e=0x84d1158) at kernel/qapplication.cpp:4285
#16 0xb718c541 in KApplication::notify (this=0xbfe207cc, receiver=0x8740b80, event=0x84d1158) at ../../kdeui/kernel/kapplication.cpp:311
#17 0xb6018dde in QCoreApplication::notifyInternal (this=0xbfe207cc, receiver=0x8740b80, event=0x84d1158) at kernel/qcoreapplication.cpp:915
#18 0xb601cf38 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x814a130) at kernel/qcoreapplication.cpp:1539
#20 0xb601d26c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1432
#21 0xb604b964 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#22 postEventSourceDispatch (s=0x8175080) at kernel/qeventdispatcher_glib.cpp:279
#23 0xb2fcdd86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0xb2fce125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb2fce201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0xb604bd57 in QEventDispatcherGlib::processEvents (this=0x814aea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#27 0xb66bfa1a in QGuiEventDispatcherGlib::processEvents (this=0x814aea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0xb601767d in QEventLoop::processEvents (this=0xbfe20724, flags=...) at kernel/qeventloop.cpp:149
#29 0xb6017919 in QEventLoop::exec (this=0xbfe20724, flags=...) at kernel/qeventloop.cpp:204
#30 0xb601d31a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#31 0xb66049c4 in QApplication::exec () at kernel/qapplication.cpp:3817
#32 0x08050438 in main (argc=-1276823128, argv=0x8740d50) at ../../../systemsettings/app/main.cpp:49

Possible duplicates by query: bug 306267, bug 306159, bug 304617.

Reported using DrKonqi