Comment 2 for bug 902991

StacktraceTop:
 ?? ()
 CompWindow::move (this=0x5d64120, dx=38, dy=5, immediate=false) at /build/buildd/compiz-0.9.6+bzr20110929/src/window.cpp:2183
 OnDragUpdate (data=<optimized out>, this=0x4167ce0) at /build/buildd/unity-4.24.0/plugins/unityshell/src/GestureEngine.cpp:169
 GestureEngine::OnDragUpdate (this=0x4167ce0, data=<optimized out>) at /build/buildd/unity-4.24.0/plugins/unityshell/src/GestureEngine.cpp:151
 emit (_A_a1=@0x7fff9ebf7798, impl=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:1010