I was just trying an audio experiment (3.7xxRC2kernel) . I hovered and clicked over a file and then chose Audacious rather than Rythmbox and I got that dark-shadow fader that used to happen all the time with Lucid and maveric.
I think that's what happens with compiz when a window is busy.
linux user #387628 | ubuntu user #4719 | ubuntuforums user #17209
Ahhh... Thanks !
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