Re: [Xen-devel] High CPU temp, suspend problem - xen 4.1.5-pre, linux 3.7.x

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 27.03.13 at 09:52, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
>>>> On 26.03.13 at 19:50, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
>> So vector e9 doesn't appear to be programmed in anywhere.
> 
> Quite obviously, as it's the 8259A vector for IRQ 9. The question
> really is why an IRQ appears on that vector in the first place. The
> 8259A resume code _should_ leave all IRQs masked on a fully
> IO-APIC system (see my question raised yesterday).

So to put this in consumable form: Please log what i8259A_resume()
writes to ports 21 and A1 (i.e. cached_21 and cached_A1), and also
dump those ports' contents at the crash point (i.e. alongside the
dump_irqs()).

Jan


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