Seems like it's the only thing I ask about these days :-). I'm having some
more troubles with PCI pass-through. I finally did get the processors with the
VTd technology, and that seems to be working fine. I'm running on a Dell
PowerEdge R310, however, and am seeing a situation where, as soon as I try to
start an HVM domU with PCI devices passed through, my network interface goes
haywire and starts spewing packets onto the network. It eventually renders
just about everything attached to the same switch unusable.
I'm not certain, but I think this may be related to PCI IRQ sharing. If I look
at dmesg output, I see that my on-board network card gets assigned the same IRQ
as the PCIe serial card I'm trying to pass through to my domU. Can anyone
confirm that this is the case, and suggest any options? The BIOS on the PE
R310 doesn't have a lot of configuration - it'll let you assign some IRQs, but
it ties quite a few of the devices together on the same IRQs and does not let
you separate them.
Thanks, in advance, for any help!
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