[ovs-discuss] virtio_net error
Bhanu Chander Gaddoju
bhanu.gaddoju at nxp.com
Fri Jan 27 03:57:10 UTC 2017
Hi All,
I am creating a OVS bridge and attaching two dpdk ports and two vhost-user ports. I am spawning a VM and attaching those two vhost-user ports. I am running Ubuntu 16.04 LTS in VM. I am testing performance in below scenario,
Ixia <---> dpdk0 <---> vhost-user1 <---> (Static L3 routing in VM) <---> vhost-user2 <---> dpdk1 <---> ixia
I am able to run performance test, but after some time(around 10 minutes), we are seeing the below error message.
virtio_net virtio2: output.0:id 61 is not a head!
After the above error, packet TX fails on one interface in VM. Below are the error messages in VM.
[ 1995.621245] net eth1: Unexpected TXQ (0) queue failure: -5
[ 1995.621251] net eth1: Unexpected TXQ (0) queue failure: -5
[ 1995.621257] net eth1: Unexpected TXQ (0) queue failure: -5
I am using the below software versions,
OVS : 2.6.1
DPDK : 16.07
Qemu : 2.6.2
Libvirt : 1.3.5
Could anyone please let me know what could be the issue?
Regards,
Bhanu.
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