Application freezes unless mouse is moving

I have developed a rather large Gtk based application and am now experiencing a very unusual behavior.

After running for an extended period (e.g., couple of days), GUI will not update (e.g., no meters and counter moving) unless I move the mouse. At which point the GUI updates as normal, but when I stop moving the mouse, the application freezes again. My app is stuck in this mode until I restart the application. This behavior has been reproduced on four other linux hardware systems running the application.


Any help is greatly appreciated.

I am using Gtk 1.2, with Gnome and touch screen.






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