Re: [kvm] virtio-net not working with the latest qemu-kvm git

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On Mon, 2009-05-04 at 09:50 -0700, Sridhar Samudrala wrote:
> When i moved to the latest qemu-kvm git tree from kvm-85, i noticed that
> networking stopped working between the host and the guest.
> It started working when i put the device in promiscuos mode by running
> tcpdump in background on the guest. 
> 
> After browsing through the recent patches, i found that the following commit
> is causing the regression.
> 
> Remove stray GSO code from virtio_net (Mark McLoughlin)
> http://git.kernel.org/?p=virt/kvm/qemu-kvm.git;a=commitdiff;h=559a8f45f34cc50d1a60b4f67a06614d506b2e01
> 
> The comment doesn't seem to match with the code that is removed with this patch.

Yep, I agree, the removed code is not bogus.  We have to skip the vnet
header to to get to the ethernet header, which we do the filtering on.

Alex

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