Re: [PATCH] xirc2ps_cs irq return fix

Alan Cox (alan@lxorguk.ukuu.org.uk)
27 May 2003 10:40:13 +0100


On Maw, 2003-05-27 at 04:55, Andrew Morton wrote:
> It should only be turned on for special situations, where someone is trying
> to hunt down a reproducible lockup. These are situations in which the odd
> false positive just doesn't matter. And we know that there will always
> be false positives due to apic delivery latency (at least).
>
> I think the time is right to do this. Add CONFIG_DEBUG_IRQ and get on with
> fixing real stuff.

I not 100% convinced. I think it should be left by default but only if you get
something like a million unhandled interrupts in a row. Thats the "your box has died"
case where the info is useful anyway.

Maybe the number in a row is what you want to tweak in config or /proc/sys ?

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