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[Xen-users] emulated rtl8139 driver, openvswitch, and offload

I'm getting strange network problems when deploying WDS images, specifically:

DHCP doesn't seem to renew properly

Tcpdump shows a 5K packet transmitted to the DomU, then retransmitted as 3 x 
1500 byte packets, so presumably large packets are being passed to DomU and the 
emulated adapter can't handle them and just drops them.

This happens even when all the offload on the ovs bridge is off, so I don't 
know what is happening.

Any suggestions?


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