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Re: [Xen-devel] dom0 kernel fails to recognize DVD drive on piix controller

On Thu, Apr 21, Jan Beulich wrote:

> >>> On 21.04.16 at 11:52, <olaf@xxxxxxxxx> wrote:
> > On Thu, Apr 21, Jan Beulich wrote:
> > 
> >> Does the device actually use IRQ19, or does it instead use IRQ14
> >> and IRQ15 (which then may require some special casing somewhere)?
> > 
> > How do I find out?
> Check what the native kernel uses.

Yeah, silly question. Sorry.

Its indeed 14/15:
 14:        139        115   IO-APIC  14-edge      ata_piix
 15:          0          0   IO-APIC  15-edge      ata_piix

So does that special handling have to be done in Xen or in dom0?


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