oss radeon driver s-video color output rainbow flickers(sapphire 4850x2)

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http://askubuntu.com – After much effort I finally got s-video to display at all. Now I have an issue where the image is stable but the color is like rainbows and flickers. It is not b/w. TV standard is already set properly to NTSC. This works perfectly fine in Windows(all versions). Google seems unable to help me. I can make a video if it helps. (HowTos)