#0 0x420f8936 in QHostAddress::clear() () from /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5 No symbol table info available. #1 0x4211104c in QAbstractSocket::disconnectFromHost() () from /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5 No symbol table info available. #2 0x42110fbc in QAbstractSocket::close() () from /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5 No symbol table info available. #3 0x421189ea in QLocalSocket::close() () from /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5 No symbol table info available. #4 0x42113518 in QLocalSocket::~QLocalSocket() () from /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5 No symbol table info available. #5 0x4211353c in QLocalSocket::~QLocalSocket() () from /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5 No symbol table info available. #6 0x41ff915c in UbuntuApplicationApiWrapper::onClientError(QLocalSocket::LocalSocketError) () from /usr/lib/maliit/plugins/libubuntu-keyboard-plugin.so No symbol table info available. #7 0x41ff974e in void QtPrivate::FunctionPointer::call, void>(void (UbuntuApplicationApiWrapper::*)(QLocalSocket::LocalSocketError), UbuntuApplicationApiWrapper*, void**) () from /usr/lib/maliit/plugins/libubuntu-keyboard-plugin.so No symbol table info available. #8 0x41ff9668 in QtPrivate::QSlotObject, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) () from /usr/lib/maliit/plugins/libubuntu-keyboard-plugin.so No symbol table info available. #9 0x408df25e in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5 No symbol table info available. #10 0x421135c4 in QLocalSocket::error(QLocalSocket::LocalSocketError) () from /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5 No symbol table info available. #11 0x42117ed4 in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5 No symbol table info available. #12 0x42117ed4 in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5 No symbol table info available. Backtrace stopped: previous frame identical to this frame (corrupt stack?)