Comment 1 for bug 138471

It seems it depends very much form the speed at which the slider is dragged. If I drag it very fast, I can get it to always display 'mute', even if during the movement I never let it touch the bottom. If one drags it very slowly there are no problems. Still, the problem arises even with a moderate speed ( I regularly end up with the icon displaying 'mute' when it's not true)