Application: systemsettings (1.0)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-31-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
- What I was doing when the application crashed:
* I started System settings
* selected "Display and Monitor"
* I moved the HDMI-screen into place (to the left of my main screen)
* selected my main (DVI) screen as the primary screen
* hit the "Apply" button

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 0x7f1ddb9767c0 (LWP 22392))]

Thread 3 (Thread 0x7f1dbd476700 (LWP 22393)):
#0  0x00007f1dd89793cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1dd19a81dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1dd19a8304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1dd90fe036 in QEventDispatcherGlib::processEvents (this=0x7f1db80008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f1dd90ce38f in QEventLoop::processEvents (this=this@entry=0x7f1dbd475cd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f1dd90ce618 in QEventLoop::exec (this=this@entry=0x7f1dbd475cd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f1dd8fd0410 in QThread::exec (this=this@entry=0x1bfd320) at thread/qthread.cpp:542
#7  0x00007f1dd90afedf in QInotifyFileSystemWatcherEngine::run (this=0x1bfd320) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007f1dd8fd2bec in QThreadPrivate::start (arg=0x1bfd320) at thread/qthread_unix.cpp:338
#9  0x00007f1dce4e7764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#10 0x00007f1dd1e7af8e in start_thread (arg=0x7f1dbd476700) at pthread_create.c:311
#11 0x00007f1dd8985e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f1db7fff700 (LWP 22394)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1dd6246b27 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f1dd6246b59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f1dce4e7764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#4  0x00007f1dd1e7af8e in start_thread (arg=0x7f1db7fff700) at pthread_create.c:311
#5  0x00007f1dd8985e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f1ddb9767c0 (LWP 22392)):
[KCrash Handler]
#6  XRandRMode::size (this=0x0) at /build/buildd/libkscreen-1.0.1/backends/xrandr/xrandrmode.cpp:53
#7  0x00007f1dbc63d689 in XRandRConfig::applyKScreenConfig (this=0x1d14490, config=0x1a1aa60) at /build/buildd/libkscreen-1.0.1/backends/xrandr/xrandrconfig.cpp:168
#8  0x00007f1dbc84efd5 in KScreen::Config::setConfig (config=0x1a1aa60) at /build/buildd/libkscreen-1.0.1/src/config.cpp:66
#9  0x00007f1dbca65eb9 in KCMKScreen::save (this=0x1d14910) at /build/buildd/kscreen-1.0.1/kcm/src/kcm_kscreen.cpp:213
#10 0x00007f1ddb090807 in KCModuleProxy::save (this=<optimized out>) at ../../kutils/kcmoduleproxy.cpp:279
#11 0x00007f1ddae685b3 in ModuleView::moduleSave (this=<optimized out>, module=<optimized out>) at ../../../systemsettings/core/ModuleView.cpp:289
#12 0x00007f1ddae6a0da in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./ModuleView.moc:72
#13 ModuleView::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./ModuleView.moc:61
#14 0x00007f1dd90e40ef in QMetaObject::activate (sender=sender@entry=0x1a3e320, m=m@entry=0x7f1dda7ffca0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffea025b50) at kernel/qobject.cpp:3539
#15 0x00007f1dda39fdf2 in QAbstractButton::clicked (this=this@entry=0x1a3e320, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#16 0x00007f1dda0f33ae in QAbstractButtonPrivate::emitClicked (this=this@entry=0x1a35110) at widgets/qabstractbutton.cpp:548
#17 0x00007f1dda0f3ba0 in QAbstractButtonPrivate::click (this=this@entry=0x1a35110) at widgets/qabstractbutton.cpp:541
#18 0x00007f1dda0f3e0c in QAbstractButton::mouseReleaseEvent (this=0x1a3e320, e=0x7fffea0263f0) at widgets/qabstractbutton.cpp:1123
#19 0x00007f1dd9d81a89 in QWidget::event (this=0x1a3e320, event=0x7fffea0263f0) at kernel/qwidget.cpp:8375
#20 0x00007f1dd9d348ec in QApplicationPrivate::notify_helper (this=this@entry=0x16b43e0, receiver=receiver@entry=0x1a3e320, e=e@entry=0x7fffea0263f0) at kernel/qapplication.cpp:4567
#21 0x00007f1dd9d37a33 in QApplication::notify (this=this@entry=0x7fffea027060, receiver=receiver@entry=0x1a3e320, e=e@entry=0x7fffea0263f0) at kernel/qapplication.cpp:4110
#22 0x00007f1ddaa401a6 in KApplication::notify (this=0x7fffea027060, receiver=0x1a3e320, event=0x7fffea0263f0) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x00007f1dd90cf63e in QCoreApplication::notifyInternal (this=0x7fffea027060, receiver=receiver@entry=0x1a3e320, event=event@entry=0x7fffea0263f0) at kernel/qcoreapplication.cpp:946
#24 0x00007f1dd9d3a933 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#25 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x1a3e320, event=event@entry=0x7fffea0263f0, alienWidget=alienWidget@entry=0x1a3e320, nativeWidget=nativeWidget@entry=0x17f6b80, buttonDown=buttonDown@entry=0x7f1dda812308 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#26 0x00007f1dd9dafe54 in QETWidget::translateMouseEvent (this=this@entry=0x17f6b80, event=event@entry=0x7fffea026b70) at kernel/qapplication_x11.cpp:4631
#27 0x00007f1dd9daee81 in QApplication::x11ProcessEvent (this=0x7fffea027060, event=event@entry=0x7fffea026b70) at kernel/qapplication_x11.cpp:3746
#28 0x00007f1dd9dda042 in x11EventSourceDispatch (s=0x16b4c20, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x00007f1dd19a7f05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f1dd19a8248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f1dd19a8304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f1dd90fe016 in QEventDispatcherGlib::processEvents (this=0x15e8ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#33 0x00007f1dd9dda13e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007f1dd90ce38f in QEventLoop::processEvents (this=this@entry=0x7fffea026f40, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007f1dd90ce618 in QEventLoop::exec (this=this@entry=0x7fffea026f40, flags=...) at kernel/qeventloop.cpp:204
#36 0x00007f1dd90d3cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#37 0x00007f1dd9d32ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#38 0x000000000040aa2e in main (argc=5, argv=0x7fffea0271a8) at ../../../systemsettings/app/main.cpp:49

Reported using DrKonqi