Application: nepomukservicestub (0.2)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu Natty (development branch)

-- Information about the crash:
- What I was doing when the application crashed:

Log out of KDE session / shutdown PC brings error.
Happened after upgrading to Kubuntu 11.04 Beta1. Was not present on 10.10.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Nepomuk-Dienst (nepomukservicestub), signal: Segmentation fault
[KCrash Handler]
#6  0x00007f589b552fa9 in QRasterWindowSurface::~QRasterWindowSurface (this=0x7f5880003460, __in_chrg=<value optimized out>) at painting/qwindowsurface_raster.cpp:104
#7  0x00007f589b553029 in QRasterWindowSurface::~QRasterWindowSurface (this=0x7f5880003460, __in_chrg=<value optimized out>) at painting/qwindowsurface_raster.cpp:108
#8  0x00007f589b56d5e2 in QWidgetBackingStore::~QWidgetBackingStore (this=0x7f58800074e0, __in_chrg=<value optimized out>) at painting/qbackingstore.cpp:883
#9  0x00007f589b3a9779 in QWidgetBackingStoreTracker::destroy (this=0x7f5880007cc0) at kernel/qwidget.cpp:210
#10 0x00007f589b3a98c9 in QWidgetPrivate::deleteExtra (this=0x256c130) at kernel/qwidget.cpp:1776
#11 0x00007f589b3a9b0c in QWidgetPrivate::~QWidgetPrivate (this=0x256c130, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:337
#12 0x00007f589b3a9e19 in QWidgetPrivate::~QWidgetPrivate (this=0x256c130, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:342
#13 0x00007f589d026645 in cleanup (this=0x256c3e0, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:62
#14 ~QScopedPointer (this=0x256c3e0, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:100
#15 QObject::~QObject (this=0x256c3e0, __in_chrg=<value optimized out>) at kernel/qobject.cpp:818
#16 0x00007f589b3abf70 in QWidget::~QWidget (this=0x256c3e0, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1508
#17 0x00007f588c860899 in XSyncBasedPoller::~XSyncBasedPoller (this=0x256c3e0, __in_chrg=<value optimized out>) at ../../kutils/kidletime/xsyncbasedpoller.cpp:102
#18 0x00007f588c86081d in ~XSyncBasedPollerHelper () at ../../kutils/kidletime/xsyncbasedpoller.cpp:33
#19 destroy () at ../../kutils/kidletime/xsyncbasedpoller.cpp:38
#20 0x00007f589ab45961 in __run_exit_handlers (status=0) at exit.c:78
#21 exit (status=0) at exit.c:100
#22 0x00007f589ab2af06 in __libc_start_main (main=0x403100 <_start+528>, argc=2, ubp_av=0x7fffee52bfa8, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffee52bf98) at libc-start.c:258
#23 0x0000000000402f19 in _start ()

Possible duplicates by query: bug 269671, bug 255081.

Reported using DrKonqi