Version: (using KDE 4.2.0) Compiler: gcc version 4.1.2 (Gentoo 4.1.2 p1.0.2) CFLAGS="-march=nocona -O2 -pipe" OS: Linux Installed from: Compiled From Sources Only crashed system-settings. No other applications affected. Unsure of exact cause of crash. Change time settings then added a keyboard layout (US-Dvorak), configured toggle hotkey (both shifts). Crash occurred suddenly when closing system-settings. Logfile: Application: System Settings (systemsettings), signal SIGSEGV 0x00007f4e89c3f491 in nanosleep () from /lib/libc.so.6 [Current thread is 0 (LWP 11399)] Thread 2 (Thread 0x7f4e7b45e950 (LWP 11446)): #0 0x00007f4e89c664a2 in select () from /lib/libc.so.6 #1 0x00007f4e8b675ca8 in ?? () from /usr/lib64/qt4/libQtCore.so.4 #2 0x00007f4e8b5d1712 in ?? () from /usr/lib64/qt4/libQtCore.so.4 #3 0x00007f4e8b363097 in start_thread () from /lib/libpthread.so.0 #4 0x00007f4e89c6c77d in clone () from /lib/libc.so.6 #5 0x0000000000000000 in ?? () Thread 1 (Thread 0x7f4e8d41b760 (LWP 11399)): [KCrash Handler] #5 0x00007f4e8a851db6 in QWidgetPrivate::reparentFocusWidgets () from /usr/lib64/qt4/libQtGui.so.4 #6 0x00007f4e8a8620aa in QWidget::setParent () from /usr/lib64/qt4/libQtGui.so.4 #7 0x00007f4e8a862855 in QWidgetPrivate::init () from /usr/lib64/qt4/libQtGui.so.4 #8 0x00007f4e8a862e58 in QWidget::QWidget () from /usr/lib64/qt4/libQtGui.so.4 #9 0x00007f4e7d8246a2 in ?? () from /usr/kde/4.2/lib64/kde4/kcm_screensaver.so #10 0x00007f4e7d81756d in ?? () from /usr/kde/4.2/lib64/kde4/kcm_screensaver.so #11 0x00007f4e7d81a491 in ?? () from /usr/kde/4.2/lib64/kde4/kcm_screensaver.so #12 0x00007f4e8b69f4dc in QMetaObject::activate () from /usr/lib64/qt4/libQtCore.so.4 #13 0x00007f4e7d5d68f5 in K3Process::processExited () from /usr/kde/4.2/lib64/libkde3support.so.4 #14 0x00007f4e7d5d6b8a in K3Process::wait () from /usr/kde/4.2/lib64/libkde3support.so.4 #15 0x00007f4e7d818fde in ?? () from /usr/kde/4.2/lib64/kde4/kcm_screensaver.so #16 0x00007f4e8d015b24 in KCModuleProxy::deleteClient () from /usr/kde/4.2/lib64/libkutils.so.4 #17 0x00007f4e8d016216 in KCModuleProxy::~KCModuleProxy () from /usr/kde/4.2/lib64/libkutils.so.4 #18 0x00007f4e8b69c9e0 in QObjectPrivate::deleteChildren () from /usr/lib64/qt4/libQtCore.so.4 #19 0x00007f4e8a85a4ef in QWidget::~QWidget () from /usr/lib64/qt4/libQtGui.so.4 #20 0x00007f4e8b69c9e0 in QObjectPrivate::deleteChildren () from /usr/lib64/qt4/libQtCore.so.4 #21 0x00007f4e8a859f2f in QWidget::~QWidget () from /usr/lib64/qt4/libQtGui.so.4 #22 0x00007f4e8abf0ecf in QScrollArea::~QScrollArea () from /usr/lib64/qt4/libQtGui.so.4 #23 0x00007f4e8b69c9e0 in QObjectPrivate::deleteChildren () from /usr/lib64/qt4/libQtCore.so.4 #24 0x00007f4e8a859f2f in QWidget::~QWidget () from /usr/lib64/qt4/libQtGui.so.4 #25 0x00007f4e8c256469 in ?? () from /usr/kde/4.2/lib64/libkdeui.so.5 #26 0x00007f4e8b69c9e0 in QObjectPrivate::deleteChildren () from /usr/lib64/qt4/libQtCore.so.4 #27 0x00007f4e8a859f2f in QWidget::~QWidget () from /usr/lib64/qt4/libQtGui.so.4 #28 0x00007f4e8c258db1 in KPageWidget::~KPageWidget () from /usr/kde/4.2/lib64/libkdeui.so.5 #29 0x00007f4e8b69c9e0 in QObjectPrivate::deleteChildren () from /usr/lib64/qt4/libQtCore.so.4 #30 0x00007f4e8a859f2f in QWidget::~QWidget () from /usr/lib64/qt4/libQtGui.so.4 #31 0x000000000040f389 in _start ()
The crash is related to the ScreenSaver module ... I assume you used the Desktop/Screensaver module in the same SystemSettings session that crashed The fix is in KDE4.2.1 and 4.3 *** This bug has been marked as a duplicate of bug 178761 ***