Xen users - Jul 2008 - Duplicate IRQ problem with PCI Passthrough

Hi All,

I have been unable to find a solution to this problem. There are others on
the list who have had this problem, but the list doesnt have a solution
AFAIK.

I am doing a PCI passthrough and end up with IRQ 16 shared betn Dom0''s
NIC
and DomUs NIC.
When I load the system with some n/w IO then there is a problem and IRQ 16
gets disabled and hence networking stops completely.

Any ideas on how I can avoid the same IRQ number being shared betn domains.
I have had this setup working without any problems before. But I set it up
again today and it doesnt work well.

Please advise.

Thanks,
Devdutt.


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