Hi Marcel,

On 02/23/2015 12:57 PM, Marcel Apfelbaum wrote:
> Hi,
I CC-ed the developers that submitted the patch.
Thanks again,
Marcel


>
> Regarding patch: [ovs-dev] [PATCH RFC v6 1/1] netdev-dpdk: add dpdk 
> vhost ports 
> http://openvswitch.org/pipermail/dev/2015-January/050279.html
>
> What are the Qemu versions supported?(At least the ones that were 
> tested)
> (V5 of this patch was tested with QEMU versions 1.4.2 and 1.6.2)
This patch was tested with QEMU 1.6.2 and later 2.1.0.
>
> The reason I ask is that I tried it with a Fedora 21 host with both 
> QEMU 2.1.2 and QEMU 1.6.2 and I had no luck connecting the guest to 
> the switch.
With  QEMU 1.6.2 please make sure that you have hugepages set up and that you 
provide the
"-mem-path /path/to/hugepages -mem-prealloc"
arguments on the QEMU command line.

Secondly, please make sure that the name of the vhost port you provided to 
add-port matches the "ifname" parameter on the QEMU command line:
OVS: ovs-vsctl add-port br0 ovsdpdk0 -- set Interface type=dpdkvhost
QEMU: -netdev type=tap,id=net1,script=no,downscript=no,ifname=ovsdpdk0,vhost=on

Thirdly, ensure that the eventfd_link.ko module is inserted.
>
> The ovsdpdk0 port always remains DOWN.
> Any pointers will be greatly appreciated.
Have you tested with traffic? Or are you relying on the config/state UP/DOWN to 
verify if the port is connected to the switch?
>
> Thank you in advance,
> Marcel
>
>
> _______________________________________________
> dev mailing list
> dev@openvswitch.org
> http://openvswitch.org/mailman/listinfo/dev

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