http://bugs.winehq.org/show_bug.cgi?id=23676
--- Comment #10 from Alex Richardson alex.richardson@gmx.de 2012-03-30 14:19:09 CDT --- Maybe an issue with fglrx then.
The corruption only happens when I scroll upwards, scrolling in other directions works fine. When some area gets redrawn due to animations that part of the screen is fine. It seems the screen fails to repaint sometimes when scrolling upwards