Application: konsole (2.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.5
Operating System: Linux 3.11.6-gentoo x86_64
Distribution: "Gentoo Base System release 2.2"

-- Information about the crash:
- What I was doing when the application crashed:
Left running desktop overnight. konsole (launched twice) crashed (both instances).

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#5  0x00007f8677d4bab2 in Konsole::Screen::getLineProperties(int, int) const () from /usr/lib64/libkonsoleprivate.so
#6  0x00007f8677d4c8be in Konsole::ScreenWindow::getLineProperties() () from /usr/lib64/libkonsoleprivate.so
#7  0x00007f8677d6e19a in Konsole::TerminalDisplay::updateLineProperties() () from /usr/lib64/libkonsoleprivate.so
#8  0x00007f8677d7135d in Konsole::TerminalDisplay::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.86] () from /usr/lib64/libkonsoleprivate.so
#9  0x00007f868c8d3508 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#10 0x00007f8677d4c79e in Konsole::ScreenWindow::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib64/libkonsoleprivate.so
#11 0x00007f868c8d3508 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#12 0x00007f8677d1ddae in Konsole::Emulation::showBulk() () from /usr/lib64/libkonsoleprivate.so
#13 0x00007f868c8d3508 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#14 0x00007f868c8d76a1 in QObject::event(QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#15 0x00007f868ba5e9bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#16 0x00007f868ba64ef0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#17 0x00007f868d68c86a in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#18 0x00007f868c8bf97d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#19 0x00007f868c8eef83 in QTimerInfoList::activateTimers() () from /usr/lib64/qt4/libQtCore.so.4
#20 0x00007f868c8ec291 in timerSourceDispatch(_GSource*, int (*)(void*), void*) () from /usr/lib64/qt4/libQtCore.so.4
#21 0x00007f8688190ef6 in g_main_dispatch (context=0x1fcd0a0) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3054
#22 g_main_context_dispatch (context=context@entry=0x1fcd0a0) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3630
#23 0x00007f8688191248 in g_main_context_iterate (context=context@entry=0x1fcd0a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3701
#24 0x00007f86881912ec in g_main_context_iteration (context=0x1fcd0a0, may_block=1) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3762
#25 0x00007f868c8ec4c5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#26 0x00007f868bafad16 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtGui.so.4
#27 0x00007f868c8be5df in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#28 0x00007f868c8be8d5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#29 0x00007f868c8c39eb in QCoreApplication::exec() () from /usr/lib64/qt4/libQtCore.so.4
#30 0x00007f8677fda0e7 in kdemain () from /usr/lib64/libkdeinit4_konsole.so
#31 0x000000000040887e in launch(int, char const*, char const*, char const*, int, char const*, bool, char const*, bool, char const*) ()
#32 0x00000000004096fb in handle_launcher_request(int, char const*) [clone .isra.13] ()
#33 0x0000000000409d57 in handle_requests(int) ()
#34 0x0000000000405b58 in main ()

Reported using DrKonqi