Comment 34 for bug 331564

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Christoph Langner (chrissss) wrote :

I can reproduce this problem too. Things you need

 * Nvidia graphics card
 * Proprietary nvidia driver version 180.44-0ubuntu1 or even 185.18.14

The best way to see the flicker is to watch a movies inside totem in full screen and tune up/down the volume with media keys on a keyboard. The flicker occours when the notifications fades in and when it fades out again.