After digging around ther inerwebs for awhile, I believe this bug occurs when a gdk window is Dispose()'d and something still has a ref back to it. So we need to figure out what is being disposed and still used.
After digging around ther inerwebs for awhile, I believe this bug occurs when a gdk window is Dispose()'d and something still has a ref back to it. So we need to figure out what is being disposed and still used.