On 04/26/2012 07:27 PM, Thomas Coffee wrote:
I have experienced unbearably sluggish scrolling and typing in LyX
that after much research I attribute to a poor interaction between Qt
4 and my NVIDIA graphics card driver.
Yes, that's what most people have reported. But it seems to be dependent
upon something else, too. I use Fedora with KDE and the proprietary
NVidia drivers, and I do not have a problem. That said, there was one
time I did see it, though a restart fixed it. So it's very puzzling.