Application: systemsettings (1.0)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-24-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
Every 3rd or 4th restart I my desktop starts with compositing disabled, and when I attempt to  configure desktop via system settings->desktop it just crashes.  Restart usually fixes it.

The crash can be reproduced every time.

 -- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f5575acc760 (LWP 2322))]

Thread 2 (Thread 0x7f55665ac710 (LWP 2323)):
#0  0x00007f557303bf83 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f557026a4a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f557026a8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f5573790566 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#4  0x00007f5573765992 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#5  0x00007f5573765d6c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x00007f557366fd59 in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007f5573746178 in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007f5573672775 in ?? () from /usr/lib/libQtCore.so.4
#9  0x00007f5570bdd9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f55730486fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5575acc760 (LWP 2322)):
[KCrash Handler]
#5  0x00007f5565a1112e in XF86DRIQueryVersion () from /usr/lib/fglrx/libGL.so.1
#6  0x00007f5565a112c9 in XF86DRIQueryExtension () from /usr/lib/fglrx/libGL.so.1
#7  0x00007f5565a10c70 in ?? () from /usr/lib/fglrx/libGL.so.1
#8  0x00007f55659f0ff8 in ?? () from /usr/lib/fglrx/libGL.so.1
#9  0x00007f55659eb146 in glXChooseVisual () from /usr/lib/fglrx/libGL.so.1
#10 0x00007f5554e2670a in ?? () from /usr/lib/kde4/kcm_screensaver.so
#11 0x00007f5554e18c54 in ?? () from /usr/lib/kde4/kcm_screensaver.so
#12 0x00007f5554e1b108 in ?? () from /usr/lib/kde4/kcm_screensaver.so
#13 0x00007f5554e1bf7c in ?? () from /usr/lib/kde4/kcm_screensaver.so
#14 0x00007f5573779e3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#15 0x00007f5573776a63 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#16 0x00007f557435422c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#17 0x00007f557435a6fb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0x00007f557505f526 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#19 0x00007f557376706c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#20 0x00007f5573793d42 in ?? () from /usr/lib/libQtCore.so.4
#21 0x00007f5573790848 in ?? () from /usr/lib/libQtCore.so.4
#22 0x00007f55702668c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x00007f557026a748 in ?? () from /lib/libglib-2.0.so.0
#24 0x00007f557026a8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x00007f5573790513 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#26 0x00007f557440446e in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007f5573765992 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0x00007f5573765d6c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#29 0x00007f5573769aab in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#30 0x00000000004110d9 in _start ()

This bug may be a duplicate of or related to bug 234689.

Possible duplicates by query: bug 245764, bug 242170, bug 241555, bug 240437, bug 237333.

Reported using DrKonqi