Update to bug number: 777156
This is the backtrace info, hope it helps squash this bug:
Application: KSystemlog (ksystemlog), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6 0x00007f37810cfe38 in QStandardItem::child(int, int) const () from
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#7 0x00007f37810d0042 in QStandardItemModel::data(QModelIndex const&, int)
const () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#8 0x00007f3780efc421 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#9 0x00007f3780effebf in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#10 0x00007f37817d6f4c in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007f3781823394 in QAbstractItemModel::rowsInserted(QModelIndex const&,
int, int) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#12 0x00007f37817bb372 in QAbstractItemModel::endInsertRows() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#13 0x00007f37810d274f in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#14 0x00007f3780f01499 in QComboBox::insertItem(int, QIcon const&, QString
const&, QVariant const&) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#15 0x000000000042fcb0 in _start ()