Application: systemsettings (1.0)
KDE Platform Version: 4.4.1 (KDE 4.4.1)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-17-generic x86_64
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
i using Kubuntu 10.04 after internet upgrade from 9.10. KDE 4.4.1 ,it crashes everytime after upgrade

The crash can be reproduced every time.

 -- Backtrace:
Application: Nastavení systému (systemsettings), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f4f88258800 (LWP 3187))]

Thread 2 (Thread 0x7f4f74723710 (LWP 3188)):
#0  __pthread_mutex_lock (mutex=0x1285388) at pthread_mutex_lock.c:56
#1  0x00007f4f829f1f93 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#2  0x00007f4f829f23c8 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007f4f829f29ac in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007f4f85f154f6 in QEventDispatcherGlib::processEvents (this=0x16f7170, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#5  0x00007f4f85eea922 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007f4f85eeacfc in QEventLoop::exec (this=0x7f4f74722d10, flags=) at kernel/qeventloop.cpp:201
#7  0x00007f4f85df4d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#8  0x00007f4f85ecb118 in QInotifyFileSystemWatcherEngine::run (this=0x177e630) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f4f85df7775 in QThreadPrivate::start (arg=0x177e630) at thread/qthread_unix.cpp:248
#10 0x00007f4f833659ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f4f857ce6dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4f88258800 (LWP 3187)):
[KCrash Handler]
#5  0x00007f4f73b9020e in XF86DRIQueryVersion () from /usr/lib/libGL.so.1
#6  0x00007f4f73b903a9 in XF86DRIQueryExtension () from /usr/lib/libGL.so.1
#7  0x00007f4f73b8fd65 in ?? () from /usr/lib/libGL.so.1
#8  0x00007f4f73b70198 in ?? () from /usr/lib/libGL.so.1
#9  0x00007f4f73b6a296 in glXChooseVisual () from /usr/lib/libGL.so.1
#10 0x00007f4f664d706a in KSWidget (this=0x1834e80, parent=<value optimized out>, wf=<value optimized out>) at ../../../kcontrol/screensaver/kswidget.cpp:49
#11 0x00007f4f664c9914 in KSSMonitor (this=0x1941260) at ../../../kcontrol/screensaver/kssmonitor.h:9
#12 KScreenSaver::slotPreviewExited (this=0x1941260) at ../../../kcontrol/screensaver/scrnsave.cpp:494
#13 0x00007f4f664cb736 in KScreenSaver::findSavers (this=0x1941260) at ../../../kcontrol/screensaver/scrnsave.cpp:462
#14 0x00007f4f664cca0c in KScreenSaver::qt_metacall (this=0x1941260, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff340f8ad0) at ./scrnsave.moc:104
#15 0x00007f4f85efedcf in QMetaObject::activate (sender=0x1941020, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3293
#16 0x00007f4f85efb9f3 in QObject::event (this=0x1941020, e=0x7fff340f9220) at kernel/qobject.cpp:1212
#17 0x00007f4f86ade22c in QApplicationPrivate::notify_helper (this=0x1292db0, receiver=0x1941020, e=0x7fff340f9220) at kernel/qapplication.cpp:4300
#18 0x00007f4f86ae46fb in QApplication::notify (this=0x7fff340f9570, receiver=0x1941020, e=0x7fff340f9220) at kernel/qapplication.cpp:4183
#19 0x00007f4f877e9516 in KApplication::notify (this=0x7fff340f9570, receiver=0x1941020, event=0x7fff340f9220) at ../../kdeui/kernel/kapplication.cpp:302
#20 0x00007f4f85eebffc in QCoreApplication::notifyInternal (this=0x7fff340f9570, receiver=0x1941020, event=0x7fff340f9220) at kernel/qcoreapplication.cpp:704
#21 0x00007f4f85f18cd2 in QCoreApplication::sendEvent (this=0x128aa40) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QTimerInfoList::activateTimers (this=0x128aa40) at kernel/qeventdispatcher_unix.cpp:603
#23 0x00007f4f85f157b4 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#24 0x00007f4f829ee972 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#25 0x00007f4f829f27f8 in ?? () from /lib/libglib-2.0.so.0
#26 0x00007f4f829f29ac in g_main_context_iteration () from /lib/libglib-2.0.so.0
#27 0x00007f4f85f154a3 in QEventDispatcherGlib::processEvents (this=0x125f7f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#28 0x00007f4f86b8e30e in QGuiEventDispatcherGlib::processEvents (this=0x12ac8c0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007f4f85eea922 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#30 0x00007f4f85eeacfc in QEventLoop::exec (this=0x7fff340f94c0, flags=) at kernel/qeventloop.cpp:201
#31 0x00007f4f85eeea3b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#32 0x00000000004110d9 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../systemsettings/app/main.cpp:49

Possible duplicates by query: bug 230702.

Reported using DrKonqi