Application: systemsettings (1.0)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-26-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Workplace Appearance crashes in system settings on opening every time.

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 0x7fb2f56de780 (LWP 20208))]

Thread 2 (Thread 0x7fb2dfe57700 (LWP 20209)):
#0  0x00007fb2f2b67b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fb2f034e036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb2f034e164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb2f32e8426 in QEventDispatcherGlib::processEvents (this=0x7fb2d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fb2f32b7c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fb2f32b7ed7 in QEventLoop::exec (this=0x7fb2dfe56dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fb2f31b6fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fb2f32979ff in QInotifyFileSystemWatcherEngine::run (this=0x1e22180) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fb2f31b9fcb in QThreadPrivate::start (arg=0x1e22180) at thread/qthread_unix.cpp:298
#9  0x00007fb2f081ae9a in start_thread (arg=0x7fb2dfe57700) at pthread_create.c:308
#10 0x00007fb2f2b734bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb2f56de780 (LWP 20208)):
[KCrash Handler]
#6  0x00007fb2d2470685 in KDecorationOptions::preferredBorderSize(KDecorationFactory*) const () from /usr/lib/libkdecorations.so.4abi1
#7  0x00007fb2d2688dfd in ?? () from /usr/lib/kde4/kwin3_modernsys.so
#8  0x00007fb2d268ab24 in ?? () from /usr/lib/kde4/kwin3_modernsys.so
#9  0x00007fb2d268ad16 in create_factory () from /usr/lib/kde4/kwin3_modernsys.so
#10 0x00007fb2de64e782 in KDecorationPlugins::loadPlugin (this=0x1f218e0, nameStr=...) at ../../../kwin/libkdecorations/kdecoration_plugins_p.cpp:175
#11 0x00007fb2df0023b8 in KWin::DecorationModel::regeneratePreview (this=0x1f21250, index=..., size=...) at ../../../../kwin/kcmkwin/kwindecoration/decorationmodel.cpp:291
#12 0x00007fb2f32cd281 in QMetaObject::activate (sender=0x1f21190, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb6479ac0) at kernel/qobject.cpp:3547
#13 0x00007fb2deff4357 in KWin::DecorationDelegate::regeneratePreview (this=<optimized out>, _t1=..., _t2=...) at moc_decorationdelegate.cpp:99
#14 0x00007fb2df000f9f in KWin::DecorationDelegate::paint (this=0x1f21190, painter=0x7fffb6479dd0, option=..., index=...) at ../../../../kwin/kcmkwin/kwindecoration/decorationdelegate.cpp:50
#15 0x00007fb2f447c171 in QListView::paintEvent (this=0x1f0eac0, e=<optimized out>) at itemviews/qlistview.cpp:1039
#16 0x00007fb2f3f810f6 in QWidget::event (this=0x1f0eac0, event=0x7fffb647aa40) at kernel/qwidget.cpp:8508
#17 0x00007fb2f43413b6 in QFrame::event (this=0x1f0eac0, e=0x7fffb647aa40) at widgets/qframe.cpp:557
#18 0x00007fb2f445589b in QAbstractItemView::viewportEvent (this=0x1f0eac0, event=0x7fffb647aa40) at itemviews/qabstractitemview.cpp:1644
#19 0x00007fb2f32b9028 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x1f11e70, event=0x7fffb647aa40) at kernel/qcoreapplication.cpp:986
#20 0x00007fb2f3f3085f in notify_helper (e=0x7fffb647aa40, receiver=0x1f11e70, this=0x1add430) at kernel/qapplication.cpp:4555
#21 QApplicationPrivate::notify_helper (this=0x1add430, receiver=0x1f11e70, e=0x7fffb647aa40) at kernel/qapplication.cpp:4531
#22 0x00007fb2f3f35713 in QApplication::notify (this=0x7fffb647fb40, receiver=0x1f11e70, e=0x7fffb647aa40) at kernel/qapplication.cpp:4420
#23 0x00007fb2f4c6a9e6 in KApplication::notify (this=0x7fffb647fb40, receiver=0x1f11e70, event=0x7fffb647aa40) at ../../kdeui/kernel/kapplication.cpp:311
#24 0x00007fb2f32b8e9c in QCoreApplication::notifyInternal (this=0x7fffb647fb40, receiver=0x1f11e70, event=0x7fffb647aa40) at kernel/qcoreapplication.cpp:876
#25 0x00007fb2f3f7cd96 in sendSpontaneousEvent (event=0x7fffb647aa40, receiver=0x1f11e70) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#26 QWidgetPrivate::drawWidget (this=0x1f0ef30, pdev=0x1e27cd0, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5585
#27 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1f0eaf0, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#28 0x00007fb2f3f7d797 in QWidgetPrivate::paintSiblingsRecursive (this=0x1f0eaf0, pdev=0x1e27cd0, siblings=..., index=3, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5781
#29 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1f0eaf0, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#30 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1f117d0, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#31 0x00007fb2f3f7d797 in QWidgetPrivate::paintSiblingsRecursive (this=0x1f117d0, pdev=0x1e27cd0, siblings=..., index=2, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5781
#32 0x00007fb2f3f7d797 in QWidgetPrivate::paintSiblingsRecursive (this=0x1f117d0, pdev=0x1e27cd0, siblings=..., index=3, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5781
#33 0x00007fb2f3f7d797 in QWidgetPrivate::paintSiblingsRecursive (this=0x1f117d0, pdev=0x1e27cd0, siblings=..., index=4, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5781
#34 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1f117d0, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#35 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1f0b8f0, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#36 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1f0b8f0, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#37 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1ea51a0, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#38 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1ea51a0, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#39 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1d265e0, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#40 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1d265e0, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#41 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1abb9d0, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#42 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1abb9d0, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#43 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1d7a600, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#44 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1d7a600, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#45 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1d82ae0, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#46 0x00007fb2f3f7d797 in QWidgetPrivate::paintSiblingsRecursive (this=0x1d82ae0, pdev=0x1e27cd0, siblings=..., index=1, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5781
#47 0x00007fb2f3f7d797 in QWidgetPrivate::paintSiblingsRecursive (this=0x1d82ae0, pdev=0x1e27cd0, siblings=..., index=3, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5781
#48 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1d82ae0, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#49 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1d4d6d0, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#50 0x00007fb2f3f7d797 in QWidgetPrivate::paintSiblingsRecursive (this=0x1d4d6d0, pdev=0x1e27cd0, siblings=..., index=1, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5781
#51 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1d4d6d0, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#52 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1d4d2b0, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#53 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1d4d2b0, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#54 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1c503b0, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#55 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1c503b0, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#56 0x00007fb2f3f7da0f in QWidgetPrivate::paintSiblingsRecursive (this=0x1c66d10, pdev=0x1e27cd0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5794
#57 0x00007fb2f3f7d797 in QWidgetPrivate::paintSiblingsRecursive (this=0x1c66d10, pdev=0x1e27cd0, siblings=..., index=13, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5781
#58 0x00007fb2f3f7cacc in QWidgetPrivate::drawWidget (this=0x1c66d10, pdev=0x1e27cd0, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x1c91100) at kernel/qwidget.cpp:5638
#59 0x00007fb2f414db58 in QWidgetBackingStore::sync (this=0x1c91100) at painting/qbackingstore.cpp:1373
#60 0x00007fb2f3f73ac0 in QWidgetPrivate::syncBackingStore (this=0x1c66d10) at kernel/qwidget.cpp:1891
#61 0x00007fb2f3f8160c in QWidget::event (this=0x1c471c0, event=0x1d99e10) at kernel/qwidget.cpp:8655
#62 0x00007fb2f435ac4b in QMainWindow::event (this=0x1c471c0, event=0x1d99e10) at widgets/qmainwindow.cpp:1478
#63 0x00007fb2f4d664d8 in KXmlGuiWindow::event (this=0x1c471c0, ev=0x1d99e10) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:126
#64 0x00007fb2f3f30894 in notify_helper (e=0x1d99e10, receiver=0x1c471c0, this=0x1add430) at kernel/qapplication.cpp:4559
#65 QApplicationPrivate::notify_helper (this=0x1add430, receiver=0x1c471c0, e=0x1d99e10) at kernel/qapplication.cpp:4531
#66 0x00007fb2f3f35713 in QApplication::notify (this=0x7fffb647fb40, receiver=0x1c471c0, e=0x1d99e10) at kernel/qapplication.cpp:4420
#67 0x00007fb2f4c6a9e6 in KApplication::notify (this=0x7fffb647fb40, receiver=0x1c471c0, event=0x1d99e10) at ../../kdeui/kernel/kapplication.cpp:311
#68 0x00007fb2f32b8e9c in QCoreApplication::notifyInternal (this=0x7fffb647fb40, receiver=0x1c471c0, event=0x1d99e10) at kernel/qcoreapplication.cpp:876
#69 0x00007fb2f32bcc6a in sendEvent (event=0x1d99e10, receiver=0x1c471c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#70 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1a98ff0) at kernel/qcoreapplication.cpp:1500
#71 0x00007fb2f32e7f93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#72 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#73 0x00007fb2f034dd53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#74 0x00007fb2f034e0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#75 0x00007fb2f034e164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#76 0x00007fb2f32e83bf in QEventDispatcherGlib::processEvents (this=0x1a9a4b0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#77 0x00007fb2f3fd8d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#78 0x00007fb2f32b7c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#79 0x00007fb2f32b7ed7 in QEventLoop::exec (this=0x7fffb647fad0, flags=...) at kernel/qeventloop.cpp:204
#80 0x00007fb2f32bcf67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#81 0x000000000040a7e5 in main (argc=5, argv=0x7fffb647fe08) at ../../../systemsettings/app/main.cpp:49

Reported using DrKonqi