hey68 you <hey68you@xxxxxxxxx> wrote: > The Yab interpreter by Jan Bungeroth has a screenshot function. On > netbooks, > this function seems to hang when it calls: > > BScreen.WaitForRetrace() > > (This is called without the timeout parameter). > > Is this a netbook video-driver bug? There is no "netbook video" driver, although most of them use Intel G945 graphics, and therefore the intel_extreme driver. And it's very well possible, that there is a bug in the driver that causes this behaviour. > Also, as a work-around, would it be safe to comment this line out, as > doing > so seems avoid the hang and it seems to work normally thereafter (and > would > this affect using the screenshot function on other non-netbook > machines)? For screenshots, this method makes little sense, anyway. It's useful for drawing on screen in order to not draw during screen update. Bye, Axel.