I have also noticed another important thing — i'm not able to scale the video down! When i try to do so, players' windows just crop the video...
Of course, this happens only with XVideo output, but using any other isn't a solution in my case because of old CPU which really needs the video card's help.
When i used older drivers and kernel on my previous system, all seemed ok...
I just don't know where the change happened...
The only thing i can do is try to install the old system back and test it to see if it's really software issue, but i can't do this right now. However, i'll post here when i'll try that.
Thanks for reading all this,
I still love open-source!