Re: [Xen-users] Re: [Xen-devel] irq 17: nobody cared (try booting with the "irqpoll" option)

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 5 Jun 2006, at 18:21, Hans-Christian Armingeon wrote:

> > Slower than booting without 'noirqdebug'?
> Yes. The domain with the device, that owns irq17 consumes very much 
> cpu time, and makes a dual Opteron slow.
> > If you boot without noirqdebug, how long does it take before domain0
> > complains about one of its irqs? Does it happen only after you have
> > started your driver domU?
> Well, soetimes it takes a few hours, up to a few days.
Until the kernel decides to disable irq17 it does less work per 
interrupt when booted with noirqdebug. Are you sure you weren't still 
running with irqpoll?
 -- Keir


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