Application: systemsettings (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.5
Operating System: Linux 3.11.6-4-default i686
Distribution: "openSUSE 13.1 (Bottle) (i586)"

-- Information about the crash:
- What I was doing when the application crashed:
nothing
- Unusual behavior I noticed:
Screen locker doesn't lock, user screen reappears after pressing any key without password request

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb15267c0 (LWP 1618))]

Thread 2 (Thread 0xad88eb40 (LWP 1619)):
#0  0xb774f430 in __kernel_vsyscall ()
#1  0xb2c77f2c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb5d368cc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libc.so.6
#3  0xb3d75832 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=this@entry=0xb3e717e0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0xb3d7587f in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0xb3e717e0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0xb2c7407a in start_thread () from /lib/libpthread.so.0
#6  0xb5d2980e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb15267c0 (LWP 1618)):
[KCrash Handler]
#7  0xb3039754 in XVisualIDFromVisual (visual=0x7942427) at Misc.c:60
#8  0xb66ecab4 in qt_x11_getX11InfoForWindow (xinfo=0xa6a95d8, att=...) at kernel/qwidget_x11.cpp:3140
#9  0xb66ee87b in qt_x11_getX11InfoForWindow (a=..., xinfo=<optimized out>) at kernel/qwidget_x11.cpp:438
#10 QWidgetPrivate::create_sys (this=this@entry=0xa6a94b8, window=56624074, initializeWindow=<optimized out>, destroyOldWindow=true) at kernel/qwidget_x11.cpp:599
#11 0xb669e02d in QWidget::create (this=this@entry=0xa6a87c0, window=window@entry=56624074, initializeWindow=initializeWindow@entry=false, destroyOldWindow=destroyOldWindow@entry=true) at kernel/qwidget.cpp:1513
#12 0xa77bca83 in KSWidget::KSWidget (this=0xa6a87c0, parent=0xa555ce8, wf=...) at /usr/src/debug/kde-workspace-4.11.2/kcontrol/screensaver/kswidget.cpp:91
#13 0xa77b3e6c in KSSMonitor (parent=<optimized out>, this=0xa6a87c0) at /usr/src/debug/kde-workspace-4.11.2/kcontrol/screensaver/kssmonitor.h:34
#14 KScreenSaver::slotPreviewExited (this=0xa5458d8) at /usr/src/debug/kde-workspace-4.11.2/kcontrol/screensaver/scrnsave.cpp:525
#15 0xa77b5965 in KScreenSaver::findSavers (this=0xa5458d8) at /usr/src/debug/kde-workspace-4.11.2/kcontrol/screensaver/scrnsave.cpp:484
#16 0xb606ac55 in QMetaObject::activate (sender=sender@entry=0xa57bce0, m=m@entry=0xb61c24b8 <QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3556
#17 0xb60bb895 in QTimer::timeout (this=this@entry=0xa57bce0) at .moc/release-shared/moc_qtimer.cpp:147
#18 0xb6074516 in QTimer::timerEvent (this=0xa57bce0, e=0xbfa092b0) at kernel/qtimer.cpp:280
#19 0xb606f11c in QObject::event (this=0xa57bce0, e=0xbfa092b0) at kernel/qobject.cpp:1165
#20 0xb664e4b4 in QApplicationPrivate::notify_helper (this=0x9b17b70, receiver=0xa57bce0, e=0xbfa092b0) at kernel/qapplication.cpp:4562
#21 0xb6654ee3 in QApplication::notify (this=0xbfa0958c, receiver=receiver@entry=0xa57bce0, e=e@entry=0xbfa092b0) at kernel/qapplication.cpp:4348
#22 0xb71b1cb4 in KApplication::notify (this=0xbfa0958c, receiver=0xa57bce0, event=0xbfa092b0) at /usr/src/debug/kdelibs-4.11.2/kdeui/kernel/kapplication.cpp:311
#23 0xb6055fba in QCoreApplication::notifyInternal (this=0xbfa0958c, receiver=0xa57bce0, event=event@entry=0xbfa092b0) at kernel/qcoreapplication.cpp:949
#24 0xb60883af in sendEvent (event=0xbfa092b0, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#25 QTimerInfoList::activateTimers (this=this@entry=0x9b130d4) at kernel/qeventdispatcher_unix.cpp:636
#26 0xb6085398 in timerSourceDispatch (source=0x9b130a0) at kernel/qeventdispatcher_glib.cpp:186
#27 0xb2baf7ce in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#28 0xb2bafb78 in ?? () from /usr/lib/libglib-2.0.so.0
#29 0xb2bafc38 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#30 0xb60855ef in QEventDispatcherGlib::processEvents (this=this@entry=0x9b12ff8, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#31 0xb66fe51e in QGuiEventDispatcherGlib::processEvents (this=0x9b12ff8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#32 0xb6054a03 in QEventLoop::processEvents (this=this@entry=0xbfa094d8, flags=...) at kernel/qeventloop.cpp:149
#33 0xb6054d29 in QEventLoop::exec (this=this@entry=0xbfa094d8, flags=...) at kernel/qeventloop.cpp:204
#34 0xb605a4fe in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#35 0xb664c944 in QApplication::exec () at kernel/qapplication.cpp:3823
#36 0x08050f10 in main (argc=1, argv=0xbfa09664) at /usr/src/debug/kde-workspace-4.11.2/systemsettings/app/main.cpp:49

The reporter indicates this bug may be a duplicate of or related to bug 188623.

Possible duplicates by query: bug 312248.

Reported using DrKonqi