Application: dolphin (1.4)
KDE Platform Version: 4.4.1 (KDE 4.4.1)
Qt Version: 4.6.2
Operating System: Linux 2.6.31-20-generic x86_64
Distribution: Ubuntu 9.10

-- Information about the crash:
Steps to reproduce (not always reproduceable)
- Start Dolphin
- Open a file (eg. a picture)
- Close that file
- Close Dolphin

Sometimes Dolphin will crash.

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f665bb4b7f0 (LWP 17219))]

Thread 2 (Thread 0x7f664a817910 (LWP 17368)):
[KCrash Handler]
#5  QBasicAtomicInt::deref (this=0xee7288, other=...) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:133
#6  QString::operator= (this=0xee7288, other=...) at tools/qstring.cpp:1281
#7  0x0000000000465483 in KLoadMetaDataThread::run (this=0xee7270) at ../../../../apps/dolphin/src/panels/information/kloadmetadatathread.cpp:89
#8  0x00007f6657de3775 in QThreadPrivate::start (arg=0xee7270) at thread/qthread_unix.cpp:248
#9  0x00007f6654d24a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f66577ca80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f665bb4b7f0 (LWP 17219)):
#0  0x00007f66577be3c3 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f665246029a in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f66524607d7 in ?? () from /usr/lib/libxcb.so.1
#3  0x00007f6652460a85 in xcb_writev () from /usr/lib/libxcb.so.1
#4  0x00007f66566f9d4a in _XSend () from /usr/lib/libX11.so.6
#5  0x00007f66566f9e89 in _XReply () from /usr/lib/libX11.so.6
#6  0x00007f66566d67f5 in XGetImage () from /usr/lib/libX11.so.6
#7  0x00007f6658bc8633 in QX11PixmapData::toImage (this=0xc9acb0) at image/qpixmap_x11.cpp:1492
#8  0x00007f6658bb05d0 in QPixmap::toImage (this=0x7fff19c76170) at image/qpixmap.cpp:486
#9  0x00007f6659797d8d in KIconEffect::apply (this=0x7fff19c761f0, pixmap=<value optimized out>, effect=1, value=<value optimized out>, col=..., col2=<value optimized out>, trans=false)
    at ../../kdeui/icons/kiconeffect.cpp:287
#10 0x00007f6659797f71 in KIconEffect::apply (this=<value optimized out>, pixmap=..., effect=1, value=<value optimized out>, col=<value optimized out>, trans=false)
    at ../../kdeui/icons/kiconeffect.cpp:266
#11 0x00007f665a899130 in KRatingPainter::paint (this=<value optimized out>, painter=0x7fff19c76260, rect=..., rating=0, hoverRating=<value optimized out>)
    at ../../../nepomuk/core/ui/kratingpainter.cpp:201
#12 0x00007f665a88e61c in KRatingWidget::paintEvent (this=0xb898a0, e=<value optimized out>) at ../../../nepomuk/core/ui/kratingwidget.cpp:233
#13 0x00007f6658b240e2 in QWidget::event (this=0xb898a0, event=0x7fff19c76aa0) at kernel/qwidget.cpp:8144
#14 0x00007f6658eca956 in QFrame::event (this=0xb898a0, e=0x7fff19c76aa0) at widgets/qframe.cpp:557
#15 0x00007f6658ace12c in QApplicationPrivate::notify_helper (this=0x728f00, receiver=0xb898a0, e=0x7fff19c76aa0) at kernel/qapplication.cpp:4300
#16 0x00007f6658ad471b in QApplication::notify (this=0x7fff19c7a870, receiver=0xb898a0, e=0x7fff19c76aa0) at kernel/qapplication.cpp:4183
#17 0x00007f66597d8d76 in KApplication::notify (this=0x7fff19c7a870, receiver=0xb898a0, event=0x7fff19c76aa0) at ../../kdeui/kernel/kapplication.cpp:302
#18 0x00007f6657ed7e0c in QCoreApplication::notifyInternal (this=0x7fff19c7a870, receiver=0xb898a0, event=0x7fff19c76aa0) at kernel/qcoreapplication.cpp:704
#19 0x00007f6658b2c75d in QCoreApplication::sendSpontaneousEvent (this=0xb898e0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0xa59fd0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#20 QWidgetPrivate::drawWidget (this=0xb898e0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, backingStore=0xa59fd0)
    at kernel/qwidget.cpp:5339
#21 0x00007f6658b2d3f8 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=7, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5452
#22 0x00007f6658b2d229 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=8, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5439
#23 0x00007f6658b2d229 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=9, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5439
#24 0x00007f6658b2d229 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=10, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5439
#25 0x00007f6658b2d229 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=11, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5439
#26 0x00007f6658b2d229 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=14, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5439
#27 0x00007f6658b2d229 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=15, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5439
#28 0x00007f6658b2d229 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=16, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5439
#29 0x00007f6658b2c4ba in QWidgetPrivate::drawWidget (this=0xb6b8d0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0xa59fd0) at kernel/qwidget.cpp:5388
#30 0x00007f6658b2d3f8 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=1, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5452
#31 0x00007f6658b2d229 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=2, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5439
#32 0x00007f6658b2c4ba in QWidgetPrivate::drawWidget (this=0xb935d0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0xa59fd0) at kernel/qwidget.cpp:5388
#33 0x00007f6658b2d3f8 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=0, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5452
#34 0x00007f6658b2c4ba in QWidgetPrivate::drawWidget (this=0xb93c80, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0xa59fd0) at kernel/qwidget.cpp:5388
#35 0x00007f6658b2d3f8 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=0, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5452
#36 0x00007f6658b2c4ba in QWidgetPrivate::drawWidget (this=0xb939d0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0xa59fd0) at kernel/qwidget.cpp:5388
#37 0x00007f6658b2d3f8 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=8, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5452
#38 0x00007f6658b2c4ba in QWidgetPrivate::drawWidget (this=0xa8cf70, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0xa59fd0) at kernel/qwidget.cpp:5388
#39 0x00007f6658b2d3f8 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=5, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5452
#40 0x00007f6658b2c4ba in QWidgetPrivate::drawWidget (this=0xa838e0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0xa59fd0) at kernel/qwidget.cpp:5388
#41 0x00007f6658b2d3f8 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=13, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0xa59fd0) at kernel/qwidget.cpp:5452
#42 0x00007f6658b2c4ba in QWidgetPrivate::drawWidget (this=0x719a70, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0xa59fd0) at kernel/qwidget.cpp:5388
#43 0x00007f6658ce5c95 in QWidgetBackingStore::sync (this=0xa59fd0) at painting/qbackingstore.cpp:1291
#44 0x00007f6658b1e050 in QWidgetPrivate::syncBackingStore (this=0x719a70) at kernel/qwidget.cpp:1672
#45 0x00007f6658b247e5 in QWidget::event (this=0x7e3400, event=0xc1e850) at kernel/qwidget.cpp:8291
#46 0x00007f6658ee610b in QMainWindow::event (this=0x7e3400, event=0xc1e850) at widgets/qmainwindow.cpp:1433
#47 0x00007f66598f03d3 in KXmlGuiWindow::event (this=0x7fff19c757d0, ev=0x1) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:131
#48 0x00007f6658ace12c in QApplicationPrivate::notify_helper (this=0x728f00, receiver=0x7e3400, e=0xc1e850) at kernel/qapplication.cpp:4300
#49 0x00007f6658ad471b in QApplication::notify (this=0x7fff19c7a870, receiver=0x7e3400, e=0xc1e850) at kernel/qapplication.cpp:4183
#50 0x00007f66597d8d76 in KApplication::notify (this=0x7fff19c7a870, receiver=0x7e3400, event=0xc1e850) at ../../kdeui/kernel/kapplication.cpp:302
#51 0x00007f6657ed7e0c in QCoreApplication::notifyInternal (this=0x7fff19c7a870, receiver=0x7e3400, event=0xc1e850) at kernel/qcoreapplication.cpp:704
#52 0x00007f6657eda587 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x706520) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#53 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x706520) at kernel/qcoreapplication.cpp:1345
#54 0x00007f6657f017f3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#55 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#56 0x00007f6653bf6bce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#57 0x00007f6653bfa598 in ?? () from /lib/libglib-2.0.so.0
#58 0x00007f6653bfa6c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#59 0x00007f6657f01333 in QEventDispatcherGlib::processEvents (this=0x722d10, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#60 0x00007f6658b7df0e in QGuiEventDispatcherGlib::processEvents (this=0x7fff19c757d0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#61 0x00007f6657ed6732 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#62 0x00007f6657ed6b0c in QEventLoop::exec (this=0x7fff19c7a7c0, flags=) at kernel/qeventloop.cpp:201
#63 0x00007f6657eda84b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#64 0x000000000043ad25 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../../apps/dolphin/src/main.cpp:101

Possible duplicates by query: bug 230591, bug 230064, bug 229054, bug 228695, bug 228463.

Reported using DrKonqi