Bug 301994

Application: systemsettings (1.0)
KDE Platform Version: 4.8.80 (4.8.80)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-25-generic x86_64
Distribution: Ubuntu 12.04 LTS

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

Everytime I open System Settings and click on Workspace Appearance, it crashes. Only crashes when trying to open Workspace Appearance, not on any other module.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7feb96f96780 (LWP 3311))]

Thread 3 (Thread 0x7feb7a722700 (LWP 3312)):
#0  0x00007feb93f34b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007feb8d687036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007feb8d687164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007feb946b5426 in QEventDispatcherGlib::processEvents (this=0x7feb740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007feb94684c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007feb94684ed7 in QEventLoop::exec (this=0x7feb7a721dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007feb94583fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007feb946649ff in QInotifyFileSystemWatcherEngine::run (this=0x109f880) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007feb94586fcb in QThreadPrivate::start (arg=0x109f880) at thread/qthread_unix.cpp:298
#9  0x00007feb8db53e9a in start_thread (arg=0x7feb7a722700) at pthread_create.c:308
#10 0x00007feb93f404bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7feb7981a700 (LWP 3313)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007feb91d7a222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007feb91d7a259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007feb8db53e9a in start_thread (arg=0x7feb7981a700) at pthread_create.c:308
#4  0x00007feb93f404bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7feb96f96780 (LWP 3311)):
[KCrash Handler]
#6  0x00007feb72f68156 in KDecorationOptions::font(bool, bool) const () from /usr/lib/libkdecorations.so.4
#7  0x00007feb73185db4 in ?? () from /usr/lib/kde4/kwin3_qtcurve.so
#8  0x00007feb731860e6 in ?? () from /usr/lib/kde4/kwin3_qtcurve.so
#9  0x00007feb73186196 in create_factory () from /usr/lib/kde4/kwin3_qtcurve.so
#10 0x00007feb7982be32 in KDecorationPlugins::loadPlugin (this=0x1153960, nameStr=...) at ../../../kwin/libkdecorations/kdecoration_plugins_p.cpp:194
#11 0x00007feb79a5c0d4 in KWin::DecorationModel::regeneratePreview (this=0x1153840, index=..., size=...) at ../../../../kwin/kcmkwin/kwindecoration/decorationmodel.cpp:290
#12 0x00007feb79a5c4b2 in KWin::DecorationModel::regeneratePreviews (this=0x1153840) at ../../../../kwin/kcmkwin/kwindecoration/decorationmodel.cpp:261
#13 0x00007feb79a51013 in KWin::KWinDecorationModule::KWinDecorationModule (this=0x10d70f0, parent=<optimized out>) at ../../../../kwin/kcmkwin/kwindecoration/kwindecoration.cpp:121
#14 0x00007feb79a51df4 in KPluginFactory::createInstance<KWin::KWinDecorationModule, QWidget> (parentWidget=<optimized out>, parent=<optimized out>, args=...) at /usr/include/KDE/../kpluginfactory.h:477
#15 0x00007feb94e78891 in KPluginFactory::create (this=0x10e3b50, iface=0x7feb961bac00 "KCModule", parentWidget=0x0, parent=0x10a7a20, args=..., keyword=...) at ../../kdecore/util/kpluginfactory.cpp:203
#16 0x00007feb9669c708 in create<KCModule> (parent=0x10a7a20, this=0x10e3b50, args=..., keyword=..., parentWidget=0x0) at ../../kdecore/util/kpluginfactory.h:531
#17 createInstance<KCModule> (error=0x7fff577593f0, args=..., parent=0x10a7a20, parentWidget=0x0, this=0xebb910) at ../../kdecore/services/kservice.h:559
#18 createInstance<KCModule> (error=0x7fff577593f0, args=..., parent=0x10a7a20, this=0xebb910) at ../../kdecore/services/kservice.h:536
#19 KCModuleLoader::loadModule (mod=..., report=KCModuleLoader::Inline, parent=0x10a7a20, args=...) at ../../kutils/kcmoduleloader.cpp:89
#20 0x00007feb966a15f8 in KCModuleProxyPrivate::loadModule (this=0x10a9570) at ../../kutils/kcmoduleproxy.cpp:106
#21 0x00007feb966a2315 in KCModuleProxy::realModule (this=<optimized out>) at ../../kutils/kcmoduleproxy.cpp:83
#22 0x00007feb966a2352 in KCModuleProxy::showEvent (this=0x10a7a20, ev=0x7fff5775a280) at ../../kutils/kcmoduleproxy.cpp:197
#23 0x00007feb9534e3f5 in QWidget::event (this=0x10a7a20, event=0x7fff5775a280) at kernel/qwidget.cpp:8569
#24 0x00007feb952fd894 in notify_helper (e=0x7fff5775a280, receiver=0x10a7a20, this=0xc0ec60) at kernel/qapplication.cpp:4559
#25 QApplicationPrivate::notify_helper (this=0xc0ec60, receiver=0x10a7a20, e=0x7fff5775a280) at kernel/qapplication.cpp:4531
#26 0x00007feb95302713 in QApplication::notify (this=0x7fff5775cb00, receiver=0x10a7a20, e=0x7fff5775a280) at kernel/qapplication.cpp:4420
#27 0x00007feb96037bc6 in KApplication::notify (this=0x7fff5775cb00, receiver=0x10a7a20, event=0x7fff5775a280) at ../../kdeui/kernel/kapplication.cpp:311
#28 0x00007feb94685e9c in QCoreApplication::notifyInternal (this=0x7fff5775cb00, receiver=0x10a7a20, event=0x7fff5775a280) at kernel/qcoreapplication.cpp:876
#29 0x00007feb95350810 in sendEvent (event=0x7fff5775a280, receiver=0x10a7a20) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#30 QWidgetPrivate::show_helper (this=0x10cd460) at kernel/qwidget.cpp:7542
#31 0x00007feb95350607 in QWidgetPrivate::showChildren (this=<optimized out>, spontaneous=false) at kernel/qwidget.cpp:7850
#32 0x00007feb953506fd in QWidgetPrivate::show_helper (this=<optimized out>) at kernel/qwidget.cpp:7489
#33 0x00007feb95350b02 in QWidget::setVisible (this=0x10c1e30, visible=<optimized out>) at kernel/qwidget.cpp:7764
#34 0x00007feb95350676 in show (this=0x10c1e30) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:494
#35 QWidgetPrivate::showChildren (this=<optimized out>, spontaneous=false) at kernel/qwidget.cpp:7852
#36 0x00007feb953506fd in QWidgetPrivate::show_helper (this=<optimized out>) at kernel/qwidget.cpp:7489
#37 0x00007feb95350b02 in QWidget::setVisible (this=0x105f9c0, visible=<optimized out>) at kernel/qwidget.cpp:7764
#38 0x00007feb95332389 in show (this=0x105f9c0) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:494
#39 QStackedLayout::setCurrentIndex (this=0xf9e8d0, index=1) at kernel/qstackedlayout.cpp:311
#40 0x00007feb96067397 in KPageViewPrivate::_k_pageSelected (this=0xf9e010, index=..., previous=...) at ../../kdeui/paged/kpageview.cpp:235
#41 0x00007feb9469a281 in QMetaObject::activate (sender=0xfa3970, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff5775a770) at kernel/qobject.cpp:3547
#42 0x00007feb9587a8b7 in QItemSelectionModel::selectionChanged (this=<optimized out>, _t1=..., _t2=...) at .moc/release-shared/moc_qitemselectionmodel.cpp:166
#43 0x00007feb95880714 in QItemSelectionModel::emitSelectionChanged (this=0xfa3970, newSelection=..., oldSelection=...) at itemviews/qitemselectionmodel.cpp:1544
#44 0x00007feb958816a1 in QItemSelectionModel::select (this=0xfa3970, selection=..., command=...) at itemviews/qitemselectionmodel.cpp:1110
#45 0x00007feb9587c8ea in QItemSelectionModel::select (this=0xfa3970, index=..., command=...) at itemviews/qitemselectionmodel.cpp:985
#46 0x00007feb9587ab27 in QItemSelectionModel::setCurrentIndex (this=0xfa3970, index=..., command=...) at itemviews/qitemselectionmodel.cpp:1174
#47 0x00007feb960660e7 in KPageViewPrivate::_k_rebuildGui (this=0xf9e010) at ../../kdeui/paged/kpageview.cpp:70
#48 0x00007feb960670e5 in KPageViewPrivate::_k_modelChanged (this=0xf9e010) at ../../kdeui/paged/kpageview.cpp:190
#49 0x00007feb9469a281 in QMetaObject::activate (sender=0xfa28e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#50 0x00007feb9606c460 in KPageWidgetModel::addPage (this=0xfa28e0, item=0xf5ee40) at ../../kdeui/paged/kpagewidgetmodel.cpp:401
#51 0x00007feb9647adbc in ModuleView::addModule (this=0xf9ce80, module=0xf489c8) at ../../../systemsettings/core/ModuleView.cpp:191
#52 0x00007feb9647b232 in ModuleView::loadModule (this=0xf9ce80, menuItem=...) at ../../../systemsettings/core/ModuleView.cpp:144
#53 0x00007feb7b6a4678 in IconMode::changeModule (this=0xe2c720, activeModule=...) at ../../../systemsettings/icons/IconMode.cpp:134
#54 0x00007feb9469a281 in QMetaObject::activate (sender=0xbfe840, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff5775b140) at kernel/qobject.cpp:3547
#55 0x00007feb95823b05 in QAbstractItemView::activated (this=<optimized out>, _t1=...) at .moc/release-shared/moc_qabstractitemview.cpp:362
#56 0x00007feb95823cb0 in QAbstractItemView::mouseDoubleClickEvent (this=0xbfe840, event=0x7fff5775be20) at itemviews/qabstractitemview.cpp:1849
#57 0x00007feb9534e15e in QWidget::event (this=0xbfe840, event=0x7fff5775be20) at kernel/qwidget.cpp:8366
#58 0x00007feb9570e3b6 in QFrame::event (this=0xbfe840, e=0x7fff5775be20) at widgets/qframe.cpp:557
#59 0x00007feb9582289b in QAbstractItemView::viewportEvent (this=0xbfe840, event=0x7fff5775be20) at itemviews/qabstractitemview.cpp:1644
#60 0x00007feb94686028 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0xf9dd80, event=0x7fff5775be20) at kernel/qcoreapplication.cpp:986
#61 0x00007feb952fd85f in notify_helper (e=0x7fff5775be20, receiver=0xf9dd80, this=0xc0ec60) at kernel/qapplication.cpp:4555
#62 QApplicationPrivate::notify_helper (this=0xc0ec60, receiver=0xf9dd80, e=0x7fff5775be20) at kernel/qapplication.cpp:4531
#63 0x00007feb953030bf in QApplication::notify (this=<optimized out>, receiver=0xf9dd80, e=0x7fff5775be20) at kernel/qapplication.cpp:4102
#64 0x00007feb96037bc6 in KApplication::notify (this=0x7fff5775cb00, receiver=0xf9dd80, event=0x7fff5775be20) at ../../kdeui/kernel/kapplication.cpp:311
#65 0x00007feb94685e9c in QCoreApplication::notifyInternal (this=0x7fff5775cb00, receiver=0xf9dd80, event=0x7fff5775be20) at kernel/qcoreapplication.cpp:876
#66 0x00007feb952fe862 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#67 QApplicationPrivate::sendMouseEvent (receiver=0xf9dd80, event=0x7fff5775be20, alienWidget=0xf9dd80, nativeWidget=0xdc0350, buttonDown=0xf9dd80, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3170
#68 0x00007feb9537dbf5 in QETWidget::translateMouseEvent (this=0xdc0350, event=<optimized out>) at kernel/qapplication_x11.cpp:4617
#69 0x00007feb9537cbae in QApplication::x11ProcessEvent (this=0x7fff5775cb00, event=0x7fff5775c6f0) at kernel/qapplication_x11.cpp:3732
#70 0x00007feb953a60d2 in x11EventSourceDispatch (s=0xc03900, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#71 0x00007feb8d686d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#72 0x00007feb8d6870a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#73 0x00007feb8d687164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#74 0x00007feb946b53bf in QEventDispatcherGlib::processEvents (this=0xbbead0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#75 0x00007feb953a5d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#76 0x00007feb94684c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#77 0x00007feb94684ed7 in QEventLoop::exec (this=0x7fff5775ca90, flags=...) at kernel/qeventloop.cpp:204
#78 0x00007feb94689f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#79 0x000000000040a9e5 in main (argc=5, argv=0x7fff5775cdc8) at ../../../systemsettings/app/main.cpp:49

Reported using DrKonqi