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As explained in the title .. it started happenning since installation of new openSUSE and it looks quite bizarre, see below for a shot from blip.tv. bizarre

It happens usually after few minutes of watching a video, sometimes sooner, sometimes later. It happens also on Youtube. Any ideas? I would like to retain hardware acceleration so I do not accept solutions disabling it.

To add more details about my setup. Laptop is a Thinkpad T420 with NVIDIA Quadro NVS 4200M, hooked up to double monitors via docking station.

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Providing the video card's model and nvidia driver version would be useful. – llua Sep 15 '12 at 12:18

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