Sound on the system briefly interrupts when kde4 switches windows with nvidia card

[Dieter BSD]

> I have kde4 on 8.2 with translucency windows effect enabled and nvidia
> graphics driver.
> Every time I switch an active window or maximize some window, sound
> played by mplayer interrupts for ~0.5 sec. Very annoying effect. Problem
> disappears when windows effects in kde4 are turned off.
> Is this likely a bug in nvidia driver that it locks up the system when a
> lot of OpenGL operations are in progress? Or what might be a problem?

Some drivers do things like DELAY(big number) while interrupts are turned
off. Very bad. Look through the source, maybe you can find it.

We REALLY need a way to service one device without shutting off
interrupts from other devices.