Application: kontact (4.8 pre)
KDE Platform Version: 4.7.1 (4.7.1) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-tuxonice-r1 x86_64
Distribution (Platform): Gentoo Packages

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

hi,

change folders and the first column with halfs everytime until it crashes (clicked into "inbox" when the crash happened

- Unusual behavior I noticed:

first column with halfs everytime

The crash can be reproduced some of the time.

-- Backtrace:
Application: Kontact (kontact), signal: Aborted
[Current thread is 1 (Thread 0x7fe880e68760 (LWP 10182))]

Thread 4 (Thread 0x7fe86b79b710 (LWP 10188)):
#0  0x00007fe8790b13dc in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007fe87d7b6134 in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib64/qt4/libQtWebKit.so.4
#2  0x00007fe87d7b6169 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib64/qt4/libQtWebKit.so.4
#3  0x00007fe8790ad4e7 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe87e2ac28d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fe863855710 (LWP 10220)):
#0  0x00007fe8790b1749 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007fe87f6226e1 in wait (this=<value optimized out>, mutex=0xd4c470, time=30000) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0xd4c470, time=30000) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fe87f614fe1 in QThreadPoolThread::run (this=0xd5b530) at concurrent/qthreadpool.cpp:140
#4  0x00007fe87f621aea in QThreadPrivate::start (arg=0xd5b530) at thread/qthread_unix.cpp:320
#5  0x00007fe8790ad4e7 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fe87e2ac28d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fe861dc0710 (LWP 10310)):
#0  0x00007fe8790b1749 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007fe87f6226e1 in wait (this=<value optimized out>, mutex=0x2469a40, time=30000) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2469a40, time=30000) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fe87f614fe1 in QThreadPoolThread::run (this=0x246d9b0) at concurrent/qthreadpool.cpp:140
#4  0x00007fe87f621aea in QThreadPrivate::start (arg=0x246d9b0) at thread/qthread_unix.cpp:320
#5  0x00007fe8790ad4e7 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fe87e2ac28d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fe880e68760 (LWP 10182)):
[KCrash Handler]
#6  0x00007fe87e20a445 in raise () from /lib64/libc.so.6
#7  0x00007fe87e20b941 in abort () from /lib64/libc.so.6
#8  0x00007fe87f6168ec in qt_message_output (msgType=QtFatalMsg, buf=<value optimized out>) at global/qglobal.cpp:2282
#9  0x00007fe87f616a92 in qt_message(QtMsgType, const char *, typedef __va_list_tag __va_list_tag *) (msgType=QtFatalMsg, msg=0x7fe87f78cd98 "ASSERT failure in %s: \"%s\", file %s, line %d", ap=0x7fff5a6ffb60) at global/qglobal.cpp:2328
#10 0x00007fe87f616c35 in qFatal (msg=0x27c6 <Address 0x27c6 out of bounds>) at global/qglobal.cpp:2511
#11 0x00007fe87f63ec17 in QHashData::nextNode (node=0x2d854a0) at tools/qhash.cpp:289
#12 0x00007fe87f03198d in operator++ (this=0x28ad620) at ../../include/QtCore/../../src/corelib/tools/qhash.h:423
#13 qDeleteAll<QHash<QModelIndex, QSortFilterProxyModelPrivate::Mapping*>::const_iterator> (this=0x28ad620) at ../../include/QtCore/../../src/corelib/tools/qalgorithms.h:323
#14 qDeleteAll<QHash<QModelIndex, QSortFilterProxyModelPrivate::Mapping*> > (this=0x28ad620) at ../../include/QtCore/../../src/corelib/tools/qalgorithms.h:330
#15 QSortFilterProxyModelPrivate::clear_mapping (this=0x28ad620) at itemviews/qsortfilterproxymodel.cpp:301
#16 0x00007fe87f02abe2 in QAbstractProxyModel::qt_metacall (this=0x252efe0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=<value optimized out>) at .moc/debug-shared/moc_qabstractproxymodel.cpp:72
#17 0x00007fe87f036095 in QSortFilterProxyModel::qt_metacall (this=0x27c6, _c=10182, _id=6, _a=0xffffffffffffffff) at .moc/debug-shared/moc_qsortfilterproxymodel.cpp:118
#18 0x00007fe87f739c52 in QMetaObject::activate (sender=0x24249e0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3278
#19 0x00007fe87f73a1ff in QObject::destroyed (this=0x27c6, _t1=0x24249e0) at .moc/debug-shared/moc_qobject.cpp:149
#20 0x00007fe87f73b1e7 in QObject::~QObject (this=<value optimized out>, __in_chrg=<value optimized out>) at kernel/qobject.cpp:843
#21 0x00007fe87f711a0d in QAbstractItemModel::~QAbstractItemModel (this=0x24249e0, __in_chrg=<value optimized out>) at kernel/qabstractitemmodel.cpp:1372
#22 0x00007fe87b5b2b83 in Akonadi::SelectionProxyModel::~SelectionProxyModel (this=0x24249e0, __in_chrg=<value optimized out>) at /var/tmp/portage/kde-base/kdepimlibs-9999/work/kdepimlibs-9999/akonadi/selectionproxymodel.cpp:78
#23 0x00007fe87f73254f in QObjectPrivate::deleteChildren (this=0x2d3f060) at kernel/qobject.cpp:1955
#24 0x00007fe87f73b63b in QObject::~QObject (this=<value optimized out>, __in_chrg=<value optimized out>) at kernel/qobject.cpp:946
#25 0x00007fe87f711a0d in QAbstractItemModel::~QAbstractItemModel (this=0x2d5d070, __in_chrg=<value optimized out>) at kernel/qabstractitemmodel.cpp:1372
#26 0x00007fe866d87da3 in CollectionStorageModel::~CollectionStorageModel (this=0x27c6, __in_chrg=<value optimized out>) at /var/tmp/portage/kde-base/kmail-9999/work/kmail-9999/kmail/collectionpane.cpp:52
#27 0x00007fe8661fc721 in MessageList::Core::Widget::setStorageModel (this=0xc45450, storageModel=0x2caafe0, preSelectionMode=MessageList::Core::PreSelectFirstUnreadCentered) at /var/tmp/portage/kde-base/kdepim-common-libs-9999/work/kdepim-common-libs-9999/messagelist/core/widgetbase.cpp:412
#28 0x00007fe866213488 in MessageList::Pane::setCurrentFolder (this=0xc47510, preSelectionMode=MessageList::Core::PreSelectFirstUnreadCentered, overrideLabel=...) at /var/tmp/portage/kde-base/kdepim-common-libs-9999/work/kdepim-common-libs-9999/messagelist/pane.cpp:604
#29 0x00007fe866e272ad in KMMainWidget::slotShowSelectedFolderInPane (this=0xc25500) at /var/tmp/portage/kde-base/kmail-9999/work/kmail-9999/kmail/kmmainwidget.cpp:576
#30 0x00007fe866e29d2d in KMMainWidget::qt_metacall (this=0xc25500, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x2d41930) at /var/tmp/portage/kde-base/kmail-9999/work/kmail-9999_build/kmail/kmmainwidget.moc:398
#31 0x00007fe87f7323ae in QObject::event (this=0xc25500, e=0x27c6) at kernel/qobject.cpp:1217
#32 0x00007fe87ea6be1e in QWidget::event (this=0xc25500, event=0x2b5e5c0) at kernel/qwidget.cpp:8718
#33 0x00007fe87ea0f781 in QApplicationPrivate::notify_helper (this=0x635dc0, receiver=0xc25500, e=0x2b5e5c0) at kernel/qapplication.cpp:4462
#34 0x00007fe87ea1795f in QApplication::notify (this=0x7fff5a700e30, receiver=0xc25500, e=0x2b5e5c0) at kernel/qapplication.cpp:4341
#35 0x00007fe8801b3431 in KApplication::notify (this=0x7fff5a700e30, receiver=0xc25500, event=0x2b5e5c0) at /var/tmp/portage/kde-base/kdelibs-4.7.49.9999/work/kdelibs-4.7.49.9999/kdeui/kernel/kapplication.cpp:311
#36 0x00007fe87f71f6ab in QCoreApplication::notifyInternal (this=0x7fff5a700e30, receiver=0xc25500, event=0x2b5e5c0) at kernel/qcoreapplication.cpp:731
#37 0x00007fe87f720be3 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x60eef0) at kernel/qcoreapplication.h:215
#38 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x60eef0) at kernel/qcoreapplication.cpp:1372
#39 0x00007fe87f74ee73 in sendPostedEvents (s=0x640ec0) at kernel/qcoreapplication.h:220
#40 postEventSourceDispatch (s=0x640ec0) at kernel/qeventdispatcher_glib.cpp:277
#41 0x00007fe87812588c in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#42 0x00007fe878129540 in g_main_context_iterate () from /usr/lib64/libglib-2.0.so.0
#43 0x00007fe8781297cb in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#44 0x00007fe87f74ea73 in QEventDispatcherGlib::processEvents (this=0x635ab0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#45 0x00007fe87eacc3be in QGuiEventDispatcherGlib::processEvents (this=0x27c6, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#46 0x00007fe87f71e2e2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#47 0x00007fe87f71e6cd in QEventLoop::exec (this=0x7fff5a700da0, flags=) at kernel/qeventloop.cpp:201
#48 0x00007fe87f720ed3 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#49 0x0000000000403e1a in main (argc=<value optimized out>, argv=<value optimized out>) at /var/tmp/portage/kde-base/kontact-9999/work/kontact-9999/kontact/src/main.cpp:218

Reported using DrKonqi