Re: [libvirt-users] sr-vio on intel while virsh chooses rtl8139 for model type

On 03/10/14 17:15, Laine Stump wrote: > On 10/03/2014 11:38 AM, lejeczek wrote: >> hi everybody >> >> I'd presume virsh makes the best possible choice, right? >> It is that just seems bit... odd having realtek in guest >> and Intel's >> VF on host, no? > This can safely be ignored - in the case of an SRIOV VF > that is assigned > to the guest using PCI passthrough device assignment, the > "model" > attribute is meaningless, but libvirt will always fill in > the default > value (which is rtl8139) in the XML to prevent surprises > if the default > emulated NIC model ever changes. > > (I am assuming that you're using either <interface > type='hostdev'> or > <interface type='network'> pointint to a network that has > <forward > mode='hostdev'>. If you are instead using "type='direct'" > or a network > with "<forward mode='bridge|passthrough|vepa'>" then the > model *does* > matter, and you probably want to set it to "virtio", > which is *not* the > default because not all guest OSes have a virtio network > driver by > default (e.g. MS Windows)) I don't use forward (unless libvirt does that for me) but I have a pool like this one: <interface type='network'> <mac address='52:54:00:51:af:0e'/> <source network='passpool-enp2s0f0'/> <model type='rtl8139'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/> </interface> In a win 2008 guest OS is missing drivers for this device and I wonder what is that it gets?

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