Application: kontact (4.10.1)
KDE Platform Version: 4.10.1 "release 545"
Qt Version: 4.8.4
Operating System: Linux 3.7.10-1.1-desktop x86_64
Distribution: "openSUSE 12.3 (x86_64)"

-- Information about the crash:
I selected and deleted an email from an IMAP folder.  The program hung for a moment, and crashed.  It doesn't happen every time but does happen periodically.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7e86887780 (LWP 9624))]

Thread 4 (Thread 0x7f7e6dc09700 (LWP 9625)):
#0  0x00007f7e7e677964 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7e830657c7 in ?? () from /usr/lib64/libQtWebKit.so.4
#2  0x00007f7e830657f9 in ?? () from /usr/lib64/libQtWebKit.so.4
#3  0x00007f7e7e673e0f in start_thread () from /lib64/libpthread.so.0
#4  0x00007f7e83dcb7dd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f7e6d308700 (LWP 9626)):
#0  0x00007f7e83dbe97d in read () from /lib64/libc.so.6
#1  0x00007f7e7d6a3e0f in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7e7d667634 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7e7d667a42 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f7e7d667bc4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f7e851fa1f6 in QEventDispatcherGlib::processEvents (this=0x7f7e680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f7e851ca9ef in QEventLoop::processEvents (this=this@entry=0x7f7e6d307e00, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f7e851cac78 in QEventLoop::exec (this=0x7f7e6d307e00, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f7e850cd0f0 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f7e850d00cc in QThreadPrivate::start (arg=0x18f9160) at thread/qthread_unix.cpp:338
#10 0x00007f7e7e673e0f in start_thread () from /lib64/libpthread.so.0
#11 0x00007f7e83dcb7dd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f7e1c1cc700 (LWP 9712)):
#0  0x00007f7e7e675e7a in pthread_mutex_lock () from /lib64/libpthread.so.0
#1  0x00007f7e7d6a4a71 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7e7d6674ba in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7e7d667a42 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f7e7d667bc4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f7e851fa1f6 in QEventDispatcherGlib::processEvents (this=0x7f7e140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f7e851ca9ef in QEventLoop::processEvents (this=this@entry=0x7f7e1c1cbdd0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f7e851cac78 in QEventLoop::exec (this=0x7f7e1c1cbdd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f7e850cd0f0 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f7e851ab1af in QInotifyFileSystemWatcherEngine::run (this=0x271d060) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007f7e850d00cc in QThreadPrivate::start (arg=0x271d060) at thread/qthread_unix.cpp:338
#11 0x00007f7e7e673e0f in start_thread () from /lib64/libpthread.so.0
#12 0x00007f7e83dcb7dd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f7e86887780 (LWP 9624)):
[KCrash Handler]
#6  QModelIndex (other=..., this=0x7fff7600be40) at ../../src/corelib/kernel/qabstractitemmodel.h:65
#7  QSortFilterProxyModel::parent (this=0x23c9820, child=...) at itemviews/qsortfilterproxymodel.cpp:1676
#8  0x00007f7e851c2630 in parent (this=<optimized out>) at kernel/qabstractitemmodel.h:393
#9  QAbstractItemModelPrivate::rowsAboutToBeRemoved (this=this@entry=0x23cae10, parent=..., first=first@entry=0, last=last@entry=0) at kernel/qabstractitemmodel.cpp:726
#10 0x00007f7e851c3536 in QAbstractItemModel::beginRemoveRows (this=0x23c9820, parent=..., first=0, last=0) at kernel/qabstractitemmodel.cpp:2471
#11 0x00007f7e84afd0f5 in QSortFilterProxyModelPrivate::remove_proxy_interval (this=0x23cae10, source_to_proxy=..., proxy_to_source=..., proxy_start=0, proxy_end=<optimized out>, proxy_parent=..., orient=Qt::Vertical, emit_signal=true) at itemviews/qsortfilterproxymodel.cpp:557
#12 0x00007f7e84b0188a in QSortFilterProxyModelPrivate::remove_source_items (this=this@entry=0x23cae10, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., orient=orient@entry=Qt::Vertical, emit_signal=emit_signal@entry=true) at itemviews/qsortfilterproxymodel.cpp:539
#13 0x00007f7e84b0304d in QSortFilterProxyModelPrivate::source_items_about_to_be_removed (this=0x23cae10, source_parent=..., start=1, end=1, orient=Qt::Vertical) at itemviews/qsortfilterproxymodel.cpp:840
#14 0x00007f7e851e11af in QMetaObject::activate (sender=0x1f85630, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff7600c260) at kernel/qobject.cpp:3548
#15 0x00007f7e8522b8d4 in QAbstractItemModel::rowsAboutToBeRemoved (this=<optimized out>, _t1=..., _t2=1, _t3=1) at .moc/release-shared/moc_qabstractitemmodel.cpp:204
#16 0x00007f7e851c3526 in QAbstractItemModel::beginRemoveRows (this=0x1f85630, parent=..., first=1, last=1) at kernel/qabstractitemmodel.cpp:2470
#17 0x00007f7e84afd0f5 in QSortFilterProxyModelPrivate::remove_proxy_interval (this=0x23c29d0, source_to_proxy=..., proxy_to_source=..., proxy_start=1, proxy_end=<optimized out>, proxy_parent=..., orient=Qt::Vertical, emit_signal=true) at itemviews/qsortfilterproxymodel.cpp:557
#18 0x00007f7e84b0188a in QSortFilterProxyModelPrivate::remove_source_items (this=this@entry=0x23c29d0, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., orient=orient@entry=Qt::Vertical, emit_signal=emit_signal@entry=true) at itemviews/qsortfilterproxymodel.cpp:539
#19 0x00007f7e84b0266f in QSortFilterProxyModelPrivate::handle_filter_changed (this=this@entry=0x23c29d0, source_to_proxy=..., proxy_to_source=..., source_parent=..., orient=orient@entry=Qt::Vertical) at itemviews/qsortfilterproxymodel.cpp:1105
#20 0x00007f7e84b02906 in QSortFilterProxyModelPrivate::filter_changed (this=this@entry=0x23c29d0, source_parent=...) at itemviews/qsortfilterproxymodel.cpp:1037
#21 0x00007f7e84b02d75 in QSortFilterProxyModel::setFilterWildcard (this=<optimized out>, pattern=...) at itemviews/qsortfilterproxymodel.cpp:2230
#22 0x00007f7e24934759 in MailCommon::FolderTreeWidget::slotFilterFixedString (this=0x1f84860, text=...) at /usr/src/debug/kdepim-4.10.1/mailcommon/foldertreewidget.cpp:189
#23 0x00007f7e851e11af in QMetaObject::activate (sender=0x23c0440, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff7600c730) at kernel/qobject.cpp:3548
#24 0x00007f7e8497f732 in QLineEdit::textChanged (this=<optimized out>, _t1=...) at .moc/release-shared/moc_qlineedit.cpp:264
#25 0x00007f7e8497f9b9 in QLineEdit::qt_static_metacall (_o=0x7fff7600be60, _c=37525536, _id=338, _a=0x23cae10) at .moc/release-shared/moc_qlineedit.cpp:140
#26 0x00007f7e851e11af in QMetaObject::activate (sender=0x23c0ae0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff7600c890) at kernel/qobject.cpp:3548
#27 0x00007f7e84bdd5d5 in QLineControl::textChanged (this=<optimized out>, _t1=...) at .moc/release-shared/moc_qlinecontrol_p.cpp:148
#28 0x00007f7e84984960 in QLineControl::finishChange (this=this@entry=0x23c0ae0, validateFromState=<optimized out>, update=update@entry=false, edited=edited@entry=true) at widgets/qlinecontrol.cpp:660
#29 0x00007f7e84986152 in QLineControl::insert (this=this@entry=0x23c0ae0, newText=...) at widgets/qlinecontrol.cpp:248
#30 0x00007f7e84986858 in QLineControl::processKeyEvent (this=0x23c0ae0, event=0x7fff7600d330) at widgets/qlinecontrol.cpp:1886
#31 0x00007f7e8497b809 in QLineEdit::keyPressEvent (this=0x23c0440, event=0x7fff7600d330) at widgets/qlineedit.cpp:1712
#32 0x00007f7e85ce3274 in KLineEdit::keyPressEvent (this=0x23c0440, e=0x7fff7600d330) at /usr/src/debug/kdelibs-4.10.1/kdeui/widgets/klineedit.cpp:964
#33 0x00007f7e845c4cf4 in QWidget::event (this=0x23c0440, event=0x7fff7600d330) at kernel/qwidget.cpp:8421
#34 0x00007f7e8497dd67 in QLineEdit::event (this=0x23c0440, e=0x7fff7600d330) at widgets/qlineedit.cpp:1529
#35 0x00007f7e85ce0e18 in KLineEdit::event (this=0x23c0440, ev=0x7fff7600d330) at /usr/src/debug/kdelibs-4.10.1/kdeui/widgets/klineedit.cpp:1397
#36 0x00007f7e8457586c in QApplicationPrivate::notify_helper (this=this@entry=0x18f3950, receiver=receiver@entry=0x23c0440, e=e@entry=0x7fff7600d330) at kernel/qapplication.cpp:4562
#37 0x00007f7e8457a864 in QApplication::notify (this=<optimized out>, receiver=0x23c0440, e=0x7fff7600d330) at kernel/qapplication.cpp:4003
#38 0x00007f7e85c31146 in KApplication::notify (this=0x7fff7600e2b0, receiver=0x23c0440, event=0x7fff7600d330) at /usr/src/debug/kdelibs-4.10.1/kdeui/kernel/kapplication.cpp:311
#39 0x00007f7e851cbc9e in QCoreApplication::notifyInternal (this=0x7fff7600e2b0, receiver=0x23c0440, event=0x7fff7600d330) at kernel/qcoreapplication.cpp:946
#40 0x00007f7e84611e8a in QKeyMapper::sendKeyEvent (keyWidget=keyWidget@entry=0x23c0440, grab=grab@entry=false, type=QEvent::KeyPress, code=69, modifiers=..., text=..., autorepeat=autorepeat@entry=false, count=1, nativeScanCode=26, nativeVirtualKey=101, nativeModifiers=0) at kernel/qkeymapper_x11.cpp:1866
#41 0x00007f7e846122c1 in QKeyMapperPrivate::translateKeyEvent (this=0x1947820, keyWidget=0x23c0440, event=0x7fff7600dd50, grab=false) at kernel/qkeymapper_x11.cpp:1836
#42 0x00007f7e845ef9f8 in QApplication::x11ProcessEvent (this=0x7fff7600e2b0, event=0x7fff7600dd50) at kernel/qapplication_x11.cpp:3543
#43 0x00007f7e84615fa2 in x11EventSourceDispatch (s=0x18e9520, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#44 0x00007f7e7d6677d5 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#45 0x00007f7e7d667b08 in ?? () from /usr/lib64/libglib-2.0.so.0
#46 0x00007f7e7d667bc4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#47 0x00007f7e851fa1d6 in QEventDispatcherGlib::processEvents (this=0x18b7ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#48 0x00007f7e84615c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#49 0x00007f7e851ca9ef in QEventLoop::processEvents (this=this@entry=0x7fff7600e120, flags=...) at kernel/qeventloop.cpp:149
#50 0x00007f7e851cac78 in QEventLoop::exec (this=0x7fff7600e120, flags=...) at kernel/qeventloop.cpp:204
#51 0x00007f7e851cf918 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#52 0x0000000000403679 in main (argc=1, argv=0x7fff7600e3f8) at /usr/src/debug/kdepim-4.10.1/kontact/src/main.cpp:219

Possible duplicates by query: bug 314502, bug 314420, bug 313591, bug 310409, bug 310179.

Reported using DrKonqi