Originally Posted by Antartica
IIRC, ipdf used a little trick to make the page turns faster: the rendered page is put directly in the linux framebuffer, bypassing X (oh, and it's also put in it's X window, so if you refresh the screen the correct page is viewed). I'm not totally sure if is is the case with current ipdf, but as it would explain this problem, I would vote for it.
Uuuh, this would explain why all other apps [fbreader, mobipocket etc.] don't have this symptom.
Q: What is IIRC?
[EDIT]: IIRC=If I remember correctly - I just thought IIRC is a app.