I try to write simple dbus service according to example qt/examples/qdbus/remotecontrolledcar<br><br>but service fail when client try to call get_csq with next backtrace:<br><br>==6856== Invalid read of size 2<br>==6856==&nbsp;&nbsp;&nbsp; at 0x417B0D1: QString::toUtf8() const (in /usr/lib/qt-
4.2.2/lib/libQtCore.so.4.2.2)<br>==6856==&nbsp;&nbsp;&nbsp; by 0x406B62D: (within /usr/lib/qt-4.2.2/lib/libQtDBus.so.4.2.2)<br>==6856==&nbsp;&nbsp;&nbsp; by 0x404BEF1: (within /usr/lib/qt-4.2.2/lib/libQtDBus.so.4.2.2)<br>==6856==&nbsp;&nbsp;&nbsp; by 0x40404E0: (within /usr/lib/qt-
4.2.2/lib/libQtDBus.so.4.2.2)<br>==6856==&nbsp;&nbsp;&nbsp; by 0x4046BFC: (within /usr/lib/qt-4.2.2/lib/libQtDBus.so.4.2.2)<br>==6856==&nbsp;&nbsp;&nbsp; by 0x4047162: (within /usr/lib/qt-4.2.2/lib/libQtDBus.so.4.2.2)<br>==6856==&nbsp;&nbsp;&nbsp; by 0x41FEA1C: QObject::event(QEvent*) (in /usr/lib/qt-
4.2.2/lib/libQtCore.so.4.2.2)<br>==6856==&nbsp;&nbsp;&nbsp; by 0x41EE6AD: QCoreApplicationPrivate::notify_helper(QObject*, QEvent*) (in /usr/lib/qt-4.2.2/lib/libQtCore.so.4.2.2)<br>==6856==&nbsp;&nbsp;&nbsp; by 0x41EFF7B: QCoreApplication::notify(QObject*, QEvent*) (in /usr/lib/qt-
4.2.2/lib/libQtCore.so.4.2.2)<br>==6856==&nbsp;&nbsp;&nbsp; by 0x41EF81F: QCoreApplication::sendPostedEvents(QObject*, int) (in /usr/lib/qt-4.2.2/lib/libQtCore.so.4.2.2)<br>==6856==&nbsp;&nbsp;&nbsp; by 0x42122BE: (within /usr/lib/qt-4.2.2/lib/libQtCore.so.4.2.2)
<br>==6856==&nbsp;&nbsp;&nbsp; by 0x42D2B10: g_main_context_dispatch (in /usr/lib/libglib-2.0.so.0.1200.12)<br>==6856==&nbsp; Address 0xBE89F000 is not stack&#39;d, malloc&#39;d or (recently) free&#39;d<br><br><br>source attached.<br><br>any idea?
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