Re: [Qemu-devel] Problem with virtio net in guest

[Anthony Liguori]

On Sun, Dec 21, 2008 at 10:23 AM, Dor Laor <address@hidden> wrote:
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> address@hidden wrote:
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>> I use virtio_net in guest and use kvm-81
>> After a migration none of the network cards in the guest work.
>>
>> If I check with dmesg, I see bad_partial_csum all over the place.
>
> This is because there is no live migration (dirty bit tracking) in virtio yet.

There is now, actually.  I suspect save/restore with GSO is broken or
not resilient enough to deal with two hosts without agreeable GSO
support.

Regards,

Anthony Liguori

>>
>> If I use e1000 for the guest NICs, everything works.
>>
>>
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