Re: [Xen-users] network-bridge working in HVM but not PV

[Alexandre <alxgomz@xxxxxxxxx>]

Hi,

As I can't reply properly to an old thread I'm creationg a new one. Sorry about that please refer to: 
http://lists.xen.org/archives/html/xen-users/2012-06/msg00240.html

I had a very similar issue on Debian.
Upgrading the guest with recent kernels and userland tools didn't helped unfortunately.
The solution I found was to disable the TCP checksumming on the virtual interface (using ethtool).

You can have it done automatically using a slightly custom vif-scritp:

#!/bin/sh
dir=$(dirname "$0")

. $dir/xen-script-common.sh

evalVariables "$@"

: ${type_if:=vif}

[ "$type_if" = "vif" ] && ethtool -K $vif tx off 
  ethtool -k $vif >> /tmp/debug

$dir/vif-bridge "$@"

Works here.
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