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

[Ingo Molnar]

* 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
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