Application: ksmserver (0.4)
KDE Platform Version: 4.5.1 (KDE 4.5.1) (Compiled from sources)
Qt Version: 4.6.3
Operating System: Linux 2.6.35-gentoo-r7 x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
Everytime I select K->shutdown or K->restart this crash happens. I have recompiled the whole KDE-4.5.1 system today, with all direct dependencies, but the crash remains on each shutdown/restart.

The crash can be reproduced every time.

-- Backtrace:
Application: Der KDE-Sitzungsmanager (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  0x00007ff165377539 in QRasterWindowSurface::~QRasterWindowSurface() () from /usr/lib64/qt4/libQtGui.so.4
#7  0x00007ff165392391 in QWidgetBackingStore::~QWidgetBackingStore() () from /usr/lib64/qt4/libQtGui.so.4
#8  0x00007ff1651c1043 in QWidgetPrivate::deleteExtra() () from /usr/lib64/qt4/libQtGui.so.4
#9  0x00007ff1651c126d in QWidgetPrivate::~QWidgetPrivate() () from /usr/lib64/qt4/libQtGui.so.4
#10 0x00007ff165fede61 in QObject::~QObject() () from /usr/lib64/qt4/libQtCore.so.4
#11 0x00007ff1651d16f4 in QWidget::~QWidget() () from /usr/lib64/qt4/libQtGui.so.4
#12 0x00007ff166da8dd1 in KSelectionOwner::Private::~Private() () from /usr/lib/libkdeui.so.5
#13 0x00007ff166da83e6 in KSelectionOwner::~KSelectionOwner() () from /usr/lib/libkdeui.so.5
#14 0x00007ff15919861f in kdemain () from /usr/lib64/libkdeinit4_ksmserver.so
#15 0x0000000000407523 in launch(int, char const*, char const*, char const*, int, char const*, bool, char const*, bool, char const*) ()
#16 0x00000000004080a0 in handle_launcher_request(int, char const*) ()
#17 0x00000000004085aa in handle_requests(int) ()
#18 0x00000000004091a1 in main ()

Reported using DrKonqi