Lee Revell wrote:
> On Wed, 2005-11-16 at 16:03 -0800, Max Krasnyansky wrote:
>> I think in the short term your best bet is to globally disable SMI at early
>> boot stage (ie before TSC calibration).
> 
> Hmm, interesting, I had no idea this was possible.  Is there a generic
> way to disable SMI?  It would be useful for the -rt tree as lots of low
> latency audio users have problems with SMI induced underruns.
There is no generic way it's chipset specific.
Take a look at the attached smi.c that handles several Intel chipsets.
It's from Xenomai (ex Fusion branch of RTAI) source tree.

Max