Application: kontact (4.4 rc2)
KDE Platform Version: 4.3.95 (KDE 4.3.95 (KDE 4.4 RC2))
Qt Version: 4.6.0
Operating System: Linux 2.6.31-19-generic x86_64
Distribution: Ubuntu 9.10

-- Information about the crash:
Plasma crashed intermitently when closing Kontact application window.

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  QBasicAtomicInt::ref (this=0x7fff957d3160, style=Qt::NoPen) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:121
#6  QPen (this=0x7fff957d3160, style=Qt::NoPen) at painting/qpen.cpp:293
#7  0x00007f64186994bb in QPainter::setPen (this=<value optimized out>, style=Qt::NoPen) at painting/qpainter.cpp:3824
#8  0x00007f64186a6cd3 in QPainter::fillRect (this=0x7fff957d3600, r=..., brush=...) at painting/qpainter.cpp:6556
#9  0x00007f64185a8dbe in fillRegion (this=<value optimized out>, painter=0x7fff957d3600, rgn=..., flags=<value optimized out>) at kernel/qwidget.cpp:2141
#10 QWidgetPrivate::paintBackground (this=<value optimized out>, painter=0x7fff957d3600, rgn=..., flags=<value optimized out>) at kernel/qwidget.cpp:2172
#11 0x00007f64185a9ba4 in QWidgetPrivate::drawWidget (this=0x276f5f0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x291c040) at kernel/qwidget.cpp:5300
#12 0x00007f641875fed5 in QWidgetBackingStore::sync (this=0x291c040) at painting/qbackingstore.cpp:1289
#13 0x00007f641859ab60 in QWidgetPrivate::syncBackingStore (this=0x276f5f0) at kernel/qwidget.cpp:1662
#14 0x00007f64185a1885 in QWidget::event (this=0x2772010, event=0x7fff957d42b0) at kernel/qwidget.cpp:8266
#15 0x00007f641895fc9b in QMainWindow::event (this=0x2772010, event=0x7fff957d42b0) at widgets/qmainwindow.cpp:1434
#16 0x00007f6419c8c093 in KXmlGuiWindow::event (this=0x7fff957d3160, ev=0x0) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:131
#17 0x00007f641854be8c in QApplicationPrivate::notify_helper (this=0x25eaa00, receiver=0x2772010, e=0x7fff957d42b0) at kernel/qapplication.cpp:4242
#18 0x00007f641855248d in QApplication::notify (this=0x7fff957e1030, receiver=0x2772010, e=0x7fff957d42b0) at kernel/qapplication.cpp:4125
#19 0x00007f6419b751e6 in KApplication::notify (this=0x7fff957e1030, receiver=0x2772010, event=0x7fff957d42b0) at ../../kdeui/kernel/kapplication.cpp:302
#20 0x00007f641918a04c in QCoreApplication::notifyInternal (this=0x7fff957e1030, receiver=0x2772010, event=0x7fff957d42b0) at kernel/qcoreapplication.cpp:704
#21 0x00007f641875d257 in QCoreApplication::sendEvent (widget=0x2772010, updateImmediately=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 sendUpdateRequest (widget=0x2772010, updateImmediately=<value optimized out>) at painting/qbackingstore.cpp:503
#23 0x00007f6418760671 in QWidgetBackingStore::markDirty (this=0x291c040, rect=..., widget=0x2951c20, updateImmediately=false, invalidateBuffer=176) at painting/qbackingstore.cpp:655
#24 0x00007f641859d4cb in QWidget::repaint (this=0x2951c20, rect=...) at kernel/qwidget.cpp:10008
#25 0x00007f641859d593 in QWidget::repaint (this=0x7fff957d3160) at kernel/qwidget.cpp:9964
#26 0x00007f641a6402b2 in KPIM::StatusbarProgressWidget::activateSingleItemMode() () from /usr/lib/libkdepim.so.4
#27 0x00007f641a641874 in KPIM::StatusbarProgressWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdepim.so.4
#28 0x00007f641919cdc3 in QMetaObject::activate (sender=0x29646b0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3294
#29 0x00007f641a63b342 in KPIM::ProgressManager::progressItemCompleted(KPIM::ProgressItem*) () from /usr/lib/libkdepim.so.4
#30 0x00007f641a63cdfb in KPIM::ProgressManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdepim.so.4
#31 0x00007f641919cdc3 in QMetaObject::activate (sender=0x4134330, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3294
#32 0x00007f641a63b592 in KPIM::ProgressItem::progressItemCompleted(KPIM::ProgressItem*) () from /usr/lib/libkdepim.so.4
#33 0x00007f641a63bcc0 in KPIM::ProgressItem::setComplete() () from /usr/lib/libkdepim.so.4
#34 0x00007f63f8e93344 in ?? () from /usr/lib/kde4/akregatorpart.so
#35 0x00007f63f8e934e4 in ?? () from /usr/lib/kde4/akregatorpart.so
#36 0x00007f641919cdc3 in QMetaObject::activate (sender=0x387a460, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3294
#37 0x00007f63f8e3c202 in Akregator::Feed::fetchAborted(Akregator::Feed*) () from /usr/lib/kde4/akregatorpart.so
#38 0x00007f63f8e404e7 in Akregator::Feed::fetchCompleted(Syndication::Loader*, boost::shared_ptr<Syndication::Feed>, Syndication::ErrorCode) () from /usr/lib/kde4/akregatorpart.so
#39 0x00007f63f8e407d8 in Akregator::Feed::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/kde4/akregatorpart.so
#40 0x00007f641919cdc3 in QMetaObject::activate (sender=0x4148670, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3294
#41 0x00007f63f8787182 in Syndication::Loader::loadingComplete(Syndication::Loader*, boost::shared_ptr<Syndication::Feed>, Syndication::ErrorCode) () from /usr/lib/libsyndication.so.4
#42 0x00007f63f87874de in Syndication::Loader::abort() () from /usr/lib/libsyndication.so.4
#43 0x00007f63f8e4f735 in Akregator::FetchQueue::slotAbort() () from /usr/lib/kde4/akregatorpart.so
#44 0x00007f63f8e4fbe9 in Akregator::FetchQueue::~FetchQueue() () from /usr/lib/kde4/akregatorpart.so
#45 0x00007f63f8e9442d in ?? () from /usr/lib/kde4/akregatorpart.so
#46 0x00007f63f8e946b1 in ?? () from /usr/lib/kde4/akregatorpart.so
#47 0x00007f6417d47c12 in __run_exit_handlers (status=-1) at exit.c:78
#48 *__GI_exit (status=-1) at exit.c:100
#49 0x00007f640203e98a in kmsignalHandler () from /usr/lib/libkmailprivate.so.4
#50 <signal handler called>
#51 0x00007f6417de23c3 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=24) at ../sysdeps/unix/sysv/linux/poll.c:87
#52 0x00007f641094c37c in ?? () from /lib/libglib-2.0.so.0
#53 0x00007f641094c6c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#54 0x00007f64191b3623 in QEventDispatcherGlib::processEvents (this=0x25bbdf0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#55 0x00007f64185fa2fe in QGuiEventDispatcherGlib::processEvents (this=0x40ec010, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#56 0x00007f6419188972 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#57 0x00007f6419188d4c in QEventLoop::exec (this=0x7fff957d52e0, flags=) at kernel/qeventloop.cpp:201
#58 0x00007f64195a3066 in KJob::exec (this=0x408f350) at ../../kdecore/jobs/kjob.cpp:204
#59 0x00007f6401fdc2ae in ?? () from /usr/lib/libkmailprivate.so.4
#60 0x00007f6401e70e4b in ?? () from /usr/lib/libkmailprivate.so.4
#61 0x00007f6401e852fd in ?? () from /usr/lib/libkmailprivate.so.4
#62 0x00007f6401e7b5a0 in ?? () from /usr/lib/libkmailprivate.so.4
#63 0x00007f6401e7b770 in ?? () from /usr/lib/libkmailprivate.so.4
#64 0x00007f6401e8898d in ?? () from /usr/lib/libkmailprivate.so.4
#65 0x00007f641919cdc3 in QMetaObject::activate (sender=0x2c00d38, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3294
#66 0x00007f6419199a33 in QObject::event (this=0x2c00d38, e=0x7fff957e0cd0) at kernel/qobject.cpp:1224
#67 0x00007f641854be8c in QApplicationPrivate::notify_helper (this=0x25eaa00, receiver=0x2c00d38, e=0x7fff957e0cd0) at kernel/qapplication.cpp:4242
#68 0x00007f641855248d in QApplication::notify (this=0x7fff957e1030, receiver=0x2c00d38, e=0x7fff957e0cd0) at kernel/qapplication.cpp:4125
#69 0x00007f6419b751e6 in KApplication::notify (this=0x7fff957e1030, receiver=0x2c00d38, event=0x7fff957e0cd0) at ../../kdeui/kernel/kapplication.cpp:302
#70 0x00007f641918a04c in QCoreApplication::notifyInternal (this=0x7fff957e1030, receiver=0x2c00d38, event=0x7fff957e0cd0) at kernel/qcoreapplication.cpp:704
#71 0x00007f64191b6d52 in QCoreApplication::sendEvent (this=0x25f8160) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#72 QTimerInfoList::activateTimers (this=0x25f8160) at kernel/qeventdispatcher_unix.cpp:603
#73 0x00007f64191b3958 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#74 idleTimerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#75 0x00007f6410948bce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#76 0x00007f641094c598 in ?? () from /lib/libglib-2.0.so.0
#77 0x00007f641094c6c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#78 0x00007f64191b3623 in QEventDispatcherGlib::processEvents (this=0x25bbdf0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#79 0x00007f64185fa2fe in QGuiEventDispatcherGlib::processEvents (this=0x40ec010, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#80 0x00007f6419188972 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#81 0x00007f6419188d4c in QEventLoop::exec (this=0x7fff957e0f70, flags=) at kernel/qeventloop.cpp:201
#82 0x00007f641918ca8b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#83 0x0000000000403ec7 in _start ()

Reported using DrKonqi