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Date: Sun, 15 Jan 2012 16:21:19 -0800
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Subject: Re: Sound on the system briefly interrupts when kde4 switches
 windows with nvidia card
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On 01/15/2012 15:34, Dieter BSD wrote:
> 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.

NVidia driver is closed source and ships with many binaries. But code 
immediately interacting with kernel is open and it does call DELAY and 
also tsleep(9)

Yuri