Re: Real-Time Preemption, -RT-2.6.12-final-V0.7.50-24

[K.R. Foley]

Ingo Molnar wrote:
> * Daniel Walker <dwalker@xxxxxxxxxx> wrote:
>
>
> > I observed a situation on a dual xeon where IOAPIC_POSTFLUSH , if on, 
> > would actually cause spurious interrupts. It was odd cause it's 
> > suppose to stop them .. If there was a lot of interrupt traffic on one 
> > IRQ , it would cause interrupt traffic on another IRQ. This would 
> > result in "nobody cared" messages , and the storming IRQ line would 
> > get shutdown.
> >
> > This would only happen in PREEMPT_RT .
>
>
> does it happen with the latest kernel too? There were a couple of things 
> broken in the IOAPIC code in various earlier versions.
>
> 	Ingo

Is this why I have been able to boot the latest versions without the 
noapic option (and without noticeable keyboard repeat problems) or has 
it just been dumb luck?

--
   kr
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