[dpdk-users] OpenVSwitch with DPDK causes pmd segfault
robertx.wojciechowicz at intel.com
Mon Sep 12 11:30:53 CEST 2016
On Mon, Jun 27, 2016 at 06:53:05PM +0300, Sergey Matov wrote:
> Hello dear community.
> I've faced unexpected segmentation fault running Open vSwitch with DPDK
> using OpenStack.
> On the Ubuntu 14.04 with 3.13 kernel we are having Open vSwitch ml2 neutron
> accelerated with DPDK. Running VM with 3 interfaces and vCPU pinning goes
> ok. VM got all pings and SSH successfully.
> Host related configuration:
> HugePages_Total: 39552
> HugePages_Free: 31360
> HugePages_Rsvd: 0
> HugePages_Surp: 0
> Hugepagesize: 2048 kB
> NUMA topology:
> root at node-1:~# lscpu | grep NUMA
> NUMA node(s): 4
> NUMA node0 CPU(s): 0-4,20-24
> NUMA node1 CPU(s): 5-9,25-29
> NUMA node2 CPU(s): 10-14,30-34
> NUMA node3 CPU(s): 15-19,35-39
> OpenStack release: stable/Mitaka
> OVS version: 2.4.1 (bit patched for DPDK 2.1 support)
> DPDK: 2.1
> QEMU: 2.3
> Libvirt: 126.96.36.199
just for the record in case somebody else faced this issue.
I discussed that with Sergey and the conclusion looks as follows:
I've discovered that the actual behavior, it's described here:
So I just updated packages and it works fine for me.
Now I am running dpdk 16.07 with ovs 2.5, qemu 2.5 and lbvirt 1.3.1.
Seems problem is gone.
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