Re: [Xen-users] Guest domain with PCI frontend disabled IRQ, backend device dies

[manu@xxxxxxxxxx (Emmanuel Dreyfus)]

Itai Tavor <itai@xxxxxxxxx> wrote:

> I'm having a problem with a guest domain which is using PCI cards.  
> The symptom is that as soon as one of the cards is accessed in the  
> guest, the guest's console shows "Disabled IRQ #16" and the whole  
> system loses networking. Networking is restored when I shut down the
> guest.

I have exactly the same problem, with an athlon running NetBSD/i386, IRQ
5 is allocated to ethernet, USB and the video capture board. I try to
export the video capture board to domU, but when the domU kernel try to
use it, the machine loose networking. Obviously, IRQ are not correctly
routed.

I have not found how I can allocate a different IRQ to this board.

--
Emmanuel Dreyfus
manu@xxxxxxxxxx

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