Application: kontact (4.4.2)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic i686
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
I was deleting ер whole discussion when kmail crash. This bug appears from time to time (not always)

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77f9990 (LWP 1969))]

Thread 2 (Thread 0xb014cb70 (LWP 2296)):
#0  0x001eab30 in pthread_mutex_lock () from /lib/tls/i686/cmov/libc.so.6
#1  0x08209b03 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#2  0x08209ee9 in ?? () from /lib/libglib-2.0.so.0
#3  0x0820a4b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x014ac60f in QEventDispatcherGlib::processEvents (this=0x9576b68, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#5  0x0147f059 in QEventLoop::processEvents (this=0xb014c270, flags=) at kernel/qeventloop.cpp:149
#6  0x0147f4aa in QEventLoop::exec (this=0xb014c270, flags=...) at kernel/qeventloop.cpp:201
#7  0x0137b5a8 in QThread::exec (this=0x9584e98) at thread/qthread.cpp:487
#8  0x0145ec1b in QInotifyFileSystemWatcherEngine::run (this=0x9584e98) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x0137e32e in QThreadPrivate::start (arg=0x9584e98) at thread/qthread_unix.cpp:248
#10 0x004ca96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#11 0x001dda0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb77f9990 (LWP 1969)):
[KCrash Handler]
#6  0x032a9eda in MessageList::Core::Item::parent (this=0xbf9bf364) at ../../messagelist/core/item.cpp:417
#7  0x02b40c42 in QModelIndex::parent (this=0x8ad8d68, index=...) at ../../include/QtCore/../../src/corelib/kernel/qabstractitemmodel.h:389
#8  QTreeView::indexRowSizeHint (this=0x8ad8d68, index=...) at itemviews/qtreeview.cpp:2817
#9  0x02b41499 in QTreeViewPrivate::itemHeight (this=0x8ad3490, item=42) at itemviews/qtreeview.cpp:3238
#10 0x02b41802 in QTreeViewPrivate::updateScrollBars (this=0x8ad3490) at itemviews/qtreeview.cpp:3501
#11 0x02b41aa5 in QTreeView::updateGeometries (this=0x8ad8d68) at itemviews/qtreeview.cpp:2745
#12 0x032e6a56 in MessageList::Core::View::updateGeometries (this=0xffffffc0) at ../../messagelist/core/view.cpp:179
#13 0x032c7289 in MessageList::Core::ModelPrivate::viewItemJobStepInternal (this=0x8ae6bc0) at ../../messagelist/core/model.cpp:3799
#14 0x032c76fe in MessageList::Core::ModelPrivate::viewItemJobStep (this=0x8ae6bc0) at ../../messagelist/core/model.cpp:3965
#15 0x032c9661 in MessageList::Core::Model::qt_metacall (this=0x8ae6340, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0xbf9bf7ec) at ./model.moc:90
#16 0x01485c9a in QMetaObject::metacall (object=0x8ae6340, cl=QMetaObject::InvokeMetaMethod, idx=26, argv=0xbf9bf7ec) at kernel/qmetaobject.cpp:237
#17 0x014943d5 in QMetaObject::activate (sender=0x8ae6bdc, m=0x15945a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3293
#18 0x014e5aa7 in QTimer::timeout (this=0x8ae6bdc) at .moc/release-shared/moc_qtimer.cpp:134
#19 0x0149c60e in QTimer::timerEvent (this=0x8ae6bdc, e=0xbf9bfd20) at kernel/qtimer.cpp:271
#20 0x01491254 in QObject::event (this=0x8ae6bdc, e=0x8ae6340) at kernel/qobject.cpp:1212
#21 0x0255c4dc in QApplicationPrivate::notify_helper (this=0x859af08, receiver=0x8ae6bdc, e=0xbf9bfd20) at kernel/qapplication.cpp:4300
#22 0x0256305e in QApplication::notify (this=0xbf9c0084, receiver=0x8ae6bdc, e=0xbf9bfd20) at kernel/qapplication.cpp:3704
#23 0x01140f2a in KApplication::notify (this=0xbf9c0084, receiver=0x8ae6bdc, event=0xbf9bfd20) at ../../kdeui/kernel/kapplication.cpp:302
#24 0x01480a3b in QCoreApplication::notifyInternal (this=0xbf9c0084, receiver=0x8ae6bdc, event=0xbf9bfd20) at kernel/qcoreapplication.cpp:704
#25 0x014afd66 in QCoreApplication::sendEvent (this=0x859f794) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#26 QTimerInfoList::activateTimers (this=0x859f794) at kernel/qeventdispatcher_unix.cpp:603
#27 0x014ac8e4 in timerSourceDispatch (source=0x859f760) at kernel/qeventdispatcher_glib.cpp:184
#28 0x082065e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x0820a2d8 in ?? () from /lib/libglib-2.0.so.0
#30 0x0820a4b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x014ac5d5 in QEventDispatcherGlib::processEvents (this=0x8578070, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#32 0x0261c135 in QGuiEventDispatcherGlib::processEvents (this=0x8578070, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x0147f059 in QEventLoop::processEvents (this=0xbf9bffe4, flags=) at kernel/qeventloop.cpp:149
#34 0x0147f4aa in QEventLoop::exec (this=0xbf9bffe4, flags=...) at kernel/qeventloop.cpp:201
#35 0x0148369f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#36 0x0255c577 in QApplication::exec () at kernel/qapplication.cpp:3579
#37 0x0804b472 in main (argc=1, argv=0xbf9c02a4) at ../../../kontact/src/main.cpp:224

This bug may be a duplicate of or related to bug 223245.

Possible duplicates by query: bug 232152, bug 231086, bug 230300, bug 229938, bug 227770.

Reported using DrKonqi