[LAU] Video Drivers and Audio, ZaReason, and MacMini

[Mark Knecht]

On Wed, Apr 6, 2011 at 3:54 AM, Paul Davis <paul at linuxaudiosystems.com> wrote:
> On Wed, Apr 6, 2011 at 2:02 AM, Clemens Ladisch <clemens at ladisch.de> wrote:
>
>>> I know in the past I heard bad things about the binary proprietary
>>> drivers and realtime audio(freezing, xruns, etc).  Is this still the
>>> case?
>>
>> Both nvidia's and fglrx's interrupt handlers are evil.  However, you
>> should be able to minimize their effects on the rest of the system by
>> using a multi-core CPU (not that you could avoid this nowadays) and
>> message-signaled interrupts (the nvidia driver needs the module option
>> "NVreg_EnableMSI=1" to enable them).  In the past, there were problems
>> with MSI on some chipsets, but nowadays it works.
>
> clemens, two questions:
>
>  1) where does this need to be given to the module? is this a kernel
> module option or
>       a X Window option?

/etc/modules.autoload.d/kernel-2.6

but I haven't been able to prove it helps with my GTX465.


>  2) does nouveau have any way to do this or does it not matter
> because of the way it
>        handles interrupts?

If you have it loaded then look at

modinfo nouveau

to see if there's an option to play with.

HTH,
Mark