Bug 336881

Application: systemsettings (4.11.8)
KDE Platform Version: 4.13.1
Qt Version: 4.8.6
Operating System: Linux 3.13.0-24-generic i686
Distribution: Ubuntu 14.04 LTS

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

In a fresh install of 14.04, I clicked on the GTK option of System Settings - Application Appearance.

The crash does not seem to be reproducible.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb13f5740 (LWP 6655))]

Thread 3 (Thread 0xadba3b40 (LWP 6656)):
#0  0xb28ded2e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb28df138 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb289a3d3 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb289a528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb60ce95f in QEventDispatcherGlib::processEvents (this=0xad200468, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0xb609d823 in QEventLoop::processEvents (this=this@entry=0xadba3258, flags=...) at kernel/qeventloop.cpp:149
#6  0xb609db49 in QEventLoop::exec (this=this@entry=0xadba3258, flags=...) at kernel/qeventloop.cpp:204
#7  0xb5f8a23d in QThread::exec (this=this@entry=0x9f5d120) at thread/qthread.cpp:537
#8  0xb607dc44 in QInotifyFileSystemWatcherEngine::run (this=0x9f5d120) at io/qfilesystemwatcher_inotify.cpp:265
#9  0xb5f8cb6f in QThreadPrivate::start (arg=0x9f5d120) at thread/qthread_unix.cpp:349
#10 0xb2980f70 in start_thread (arg=0xadba3b40) at pthread_create.c:312
#11 0xb5d7a70e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 2 (Thread 0xad11fb40 (LWP 6657)):
#0  0xb774d424 in __kernel_vsyscall ()
#1  0xb2984d4b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb5d878ec in __pthread_cond_wait (cond=0xb3b7d8d0, mutex=0xb3b7d8b8) at forward.c:149
#3  0xb3a7ac92 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb3a7acdf in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb2980f70 in start_thread (arg=0xad11fb40) at pthread_create.c:312
#6  0xb5d7a70e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 1 (Thread 0xb13f5740 (LWP 6655)):
[KCrash Handler]
#7  0xadde1420 in ?? ()
#8  0xb60836c5 in QFactoryLoader::instance (this=0xa267ce8, key=...) at plugin/qfactoryloader.cpp:276
#9  0xb6730094 in QIcon::addFile (this=this@entry=0xbfc8a500, fileName=..., size=..., mode=mode@entry=QIcon::Normal, state=state@entry=QIcon::Off) at image/qicon.cpp:843
#10 0xb67303f1 in QIcon::QIcon (this=0xbfc8a500, fileName=...) at image/qicon.cpp:565
#11 0xaddf2eaf in ?? () from /usr/lib/kde4/kcm_cgc.so
#12 0xaddf3846 in ?? () from /usr/lib/kde4/kcm_cgc.so
#13 0xade021a9 in ?? () from /usr/lib/kde4/kcm_cgc.so
#14 0xade0711a in ?? () from /usr/lib/kde4/kcm_cgc.so
#15 0xb6484e74 in KPluginFactory::create (this=0xa0de7c8, iface=0xb735dbe0 <qt_meta_stringdata_KCModule> "KCModule", parentWidget=0xa181670, parent=0xa181670, args=..., keyword=...) at ../../kdecore/util/kpluginfactory.cpp:203
#16 0xb742f1b0 in create<KCModule> (args=..., parent=<optimized out>, this=<optimized out>) at ../../kdecore/util/kpluginfactory.h:507
#17 create<KCModule> (args=..., parent=<optimized out>, this=<optimized out>) at ../../kdecore/util/kpluginfactory.h:345
#18 createInstance<KCModule> (error=<synthetic pointer>, args=..., parent=<optimized out>, libname=...) at ../../kdecore/util/klibloader.h:279
#19 createInstance<KCModule> (error=<synthetic pointer>, args=..., parent=<optimized out>, service=...) at ../../kdecore/services/kservice.h:616
#20 KCModuleLoader::loadModule (mod=..., report=report@entry=KCModuleLoader::Inline, parent=0xa181670, args=...) at ../../kutils/kcmoduleloader.cpp:96
#21 0xb74343ae in KCModuleProxyPrivate::loadModule (this=this@entry=0xa3ae9b0) at ../../kutils/kcmoduleproxy.cpp:107
#22 0xb7434b94 in KCModuleProxy::realModule (this=this@entry=0xa181670) at ../../kutils/kcmoduleproxy.cpp:83
#23 0xb74350b5 in KCModuleProxy::showEvent (this=0xa181670, ev=0xbfc8ac04) at ../../kutils/kcmoduleproxy.cpp:198
#24 0xb66d20d8 in QWidget::event (this=0xa181670, event=0xbfc8ac04) at kernel/qwidget.cpp:8594
#25 0xb66787f4 in QApplicationPrivate::notify_helper (this=0x9b151c8, receiver=0xa181670, e=0xbfc8ac04) at kernel/qapplication.cpp:4567
#26 0xb667f2d3 in QApplication::notify (this=0xbfc8be0c, receiver=receiver@entry=0xa181670, e=e@entry=0xbfc8ac04) at kernel/qapplication.cpp:4353
#27 0xb71c81f4 in KApplication::notify (this=0xbfc8be0c, receiver=0xa181670, event=0xbfc8ac04) at ../../kdeui/kernel/kapplication.cpp:311
#28 0xb609ee4a in QCoreApplication::notifyInternal (this=0xbfc8be0c, receiver=receiver@entry=0xa181670, event=event@entry=0xbfc8ac04) at kernel/qcoreapplication.cpp:953
#29 0xb66cf332 in sendEvent (event=0xbfc8ac04, receiver=0xa181670) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#30 QWidgetPrivate::show_helper (this=<optimized out>, this@entry=0xa3ae850) at kernel/qwidget.cpp:7556
#31 0xb66cf00b in QWidgetPrivate::show_recursive (this=0xa3ae850) at kernel/qwidget.cpp:7427
#32 0xb66cf16f in QWidgetPrivate::showChildren (this=this@entry=0xa3b54e0, spontaneous=spontaneous@entry=false) at kernel/qwidget.cpp:7864
#33 0xb66cf230 in QWidgetPrivate::show_helper (this=<optimized out>) at kernel/qwidget.cpp:7503
#34 0xb66d12bd in QWidget::setVisible (this=0xa3a6968, visible=true) at kernel/qwidget.cpp:7778
#35 0xb66cf188 in show (this=0xa3a6968) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:497
#36 QWidgetPrivate::showChildren (this=this@entry=0xa3a6728, spontaneous=spontaneous@entry=false) at kernel/qwidget.cpp:7866
#37 0xb66cf230 in QWidgetPrivate::show_helper (this=<optimized out>) at kernel/qwidget.cpp:7503
#38 0xb66d12bd in QWidget::setVisible (this=0xa181390, visible=true) at kernel/qwidget.cpp:7778
#39 0xb66b1c4e in show (this=0xa181390) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:497
#40 QStackedLayout::setCurrentIndex (this=this@entry=0x9dc3e28, index=2) at kernel/qstackedlayout.cpp:313
#41 0xb66b1e16 in QStackedLayout::setCurrentWidget (this=0x9dc3e28, widget=widget@entry=0xa181390) at kernel/qstackedlayout.cpp:368
#42 0xb6b3b645 in QStackedWidget::setCurrentWidget (this=0x9dc3c08, widget=0xa181390) at widgets/qstackedwidget.cpp:295
#43 0xb71fb5fb in KPageViewPrivate::_k_pageSelected (this=0x9de7c08, index=..., previous=...) at ../../kdeui/paged/kpageview.cpp:237
#44 0xb60b40f7 in QMetaObject::activate (sender=sender@entry=0xa4319e8, m=m@entry=0xb6fe0b68 <QItemSelectionModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0xbfc8afc4) at kernel/qobject.cpp:3539
#45 0xb6c5c05d in QItemSelectionModel::selectionChanged (this=0xa4319e8, _t1=..., _t2=...) at .moc/release-shared/moc_qitemselectionmodel.cpp:165
#46 0xb6c618d9 in QItemSelectionModel::emitSelectionChanged (this=0xa4319e8, newSelection=..., oldSelection=...) at itemviews/qitemselectionmodel.cpp:1600
#47 0xb6c620df in QItemSelectionModel::select (this=this@entry=0xa4319e8, selection=..., command=...) at itemviews/qitemselectionmodel.cpp:1110
#48 0xb71fea90 in KDEPrivate::SelectionModel::select (this=0xa4319e8, selection=..., command=...) at ../../kdeui/paged/kpageview_p.cpp:619
#49 0xb6c2ce16 in QListView::setSelection (this=0x9da2ea0, rect=..., command=...) at itemviews/qlistview.cpp:1379
#50 0xb6c060f9 in QAbstractItemView::mousePressEvent (this=0x9da2ea0, event=0xbfc8b874) at itemviews/qabstractitemview.cpp:1690
#51 0xb66d21e3 in QWidget::event (this=this@entry=0x9da2ea0, event=event@entry=0xbfc8b874) at kernel/qwidget.cpp:8372
#52 0xb6ad878c in QFrame::event (this=this@entry=0x9da2ea0, e=e@entry=0xbfc8b874) at widgets/qframe.cpp:557
#53 0xb6b66e48 in QAbstractScrollArea::viewportEvent (this=this@entry=0x9da2ea0, e=e@entry=0xbfc8b874) at widgets/qabstractscrollarea.cpp:1043
#54 0xb6c0bddc in QAbstractItemView::viewportEvent (this=0x9da2ea0, event=0xbfc8b874) at itemviews/qabstractitemview.cpp:1644
#55 0xb6b670c6 in viewportEvent (event=0xbfc8b874, this=<optimized out>) at widgets/qabstractscrollarea_p.h:100
#56 QAbstractScrollAreaFilter::eventFilter (this=0xa0ccba8, o=0xa4e1cf8, e=0xbfc8b874) at widgets/qabstractscrollarea_p.h:116
#57 0xb609efbe in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x9b151c8, receiver=receiver@entry=0xa4e1cf8, event=event@entry=0xbfc8b874) at kernel/qcoreapplication.cpp:1063
#58 0xb66787d1 in QApplicationPrivate::notify_helper (this=0x9b151c8, receiver=receiver@entry=0xa4e1cf8, e=0xbfc8b874) at kernel/qapplication.cpp:4563
#59 0xb6680ea0 in QApplication::notify (this=0xbfc8be0c, receiver=receiver@entry=0xa4e1cf8, e=e@entry=0xbfc8b874) at kernel/qapplication.cpp:4110
#60 0xb71c81f4 in KApplication::notify (this=0xbfc8be0c, receiver=0xa4e1cf8, event=0xbfc8b874) at ../../kdeui/kernel/kapplication.cpp:311
#61 0xb609ee4a in QCoreApplication::notifyInternal (this=0xbfc8be0c, receiver=receiver@entry=0xa4e1cf8, event=event@entry=0xbfc8b874) at kernel/qcoreapplication.cpp:953
#62 0xb667eb53 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#63 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0xa4e1cf8, event=0xbfc8b874, alienWidget=0xa4e1cf8, nativeWidget=0x9c07230, buttonDown=buttonDown@entry=0xb6fefce4 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#64 0xb6702778 in QETWidget::translateMouseEvent (this=0x9c07230, event=event@entry=0xbfc8ba9c) at kernel/qapplication_x11.cpp:4634
#65 0xb6701ec5 in QApplication::x11ProcessEvent (this=0xbfc8be0c, event=event@entry=0xbfc8ba9c) at kernel/qapplication_x11.cpp:3627
#66 0xb672d524 in x11EventSourceDispatch (s=0x9b16300, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#67 0xb289a1e3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#68 0xb289a468 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#69 0xb289a528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#70 0xb60ce93b in QEventDispatcherGlib::processEvents (this=this@entry=0x9ae1eb8, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#71 0xb672d5de in QGuiEventDispatcherGlib::processEvents (this=0x9ae1eb8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#72 0xb609d823 in QEventLoop::processEvents (this=this@entry=0xbfc8bd58, flags=...) at kernel/qeventloop.cpp:149
#73 0xb609db49 in QEventLoop::exec (this=this@entry=0xbfc8bd58, flags=...) at kernel/qeventloop.cpp:204
#74 0xb60a38fe in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#75 0xb6676a24 in QApplication::exec () at kernel/qapplication.cpp:3828
#76 0x08050490 in ?? ()
#77 0xb5ca7a83 in __libc_start_main (main=0x80500b0, argc=5, argv=0xbfc8bee4, init=0x8056f90 <__libc_csu_init>, fini=0x8057000 <__libc_csu_fini>, rtld_fini=0xb775d180 <_dl_fini>, stack_end=0xbfc8bedc) at libc-start.c:287
#78 0x080504d1 in _start ()

Possible duplicates by query: bug 335450.

Reported using DrKonqi