Kwin works slower with Xorg 1.6. Why?

I've noticed that kwin works much slower with xorg 1.6.1 and fresh ati drivers than it used to with the old one. I've got radeon r9000. It worked normal with the previous Xorg. The problem is not only with kde4 but also xfce compositing. So if anyone knows what has changed in xorg's work with ati r250 let me know.
p.s. i've read the wiki. tried different settings. no result
Last edited by vampiro (2009-04-18 21:09:56)

I'm having a similar problem, but with any desktop environment. After a _lot_ of troubleshooting, I can say it is 100% the ATI 7.4-2 driver and/or X 1.6.1
It seems to be a major thing, as most X 1.6 problem threads have something to do with an ati video card.
Here is my original (sorta) post.
Last edited by z.s.tar.gz (2009-04-20 01:37:05)

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