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Re: [Xen-devel] Xen 4.4 trunk: device [xxxx:yyyy] has invalid IRQ; check vendor BIOS

On 2013-11-27 15:43, Konrad Rzeszutek Wilk wrote:
On Wed, Nov 27, 2013 at 01:51:37PM +0000, Jan Beulich wrote:
>>> On 26.11.13 at 22:38, Mark Hurenkamp <mark.hurenkamp@xxxxxxxxx> wrote:
> Thanks for your response, i wasn't sure if this was the right place to
> address this, so i kept my initial mail short. However I would indeed
> appreciate any help that can point me into the direction of a more
> useable xen installation on this system.
> So brace yourself for some information ;-)
> xen.cfg:
> ========

So you're booting from EFI, with a kernel not capable of this. Hence
ACPI isn't being used, and consequently it's surprising that at least
some of your interrupts appear to work.

You could have found this by searching e.g. the mailing list archives;
you're not the first one to encounter this.

CC-ing Daniel and Eric

Eric Shelton posted some patches:

that would allow your Linux kernel to take advantage of it.

Thanks for the tip, this looks promising.
I gave it a quick try, but there are a lot of rejects when applied against 3.13-rc1, and although i think i managed to fix some, there are also some
that I feel are (currently) beyond my skill to fix.
Probably i need to study this some more, or try an earlier kernel.
Either way it will keep me busy for a while.


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