[ovs-discuss] [bug]ovs-dpdk can't open dpdk port and dpdkvhostuser port added before

[王华夏]

HI

I am trying to restart ovs ,find  error as fellows, all thess bridges and ports I have added before

Bridge br-dpdk
        Port "dpdk0"
            Interface "dpdk0"
                type: dpdk
                error: "could not open network device dpdk0 (Cannot allocate memory)"
        Port br-dpdk
            Interface br-dpdk
                type: internal
    Bridge br-tun
        fail_mode: secure
        Port "vxlan-0a001f8d"
            Interface "vxlan-0a001f8d"
                type: vxlan
                options: {df_default="true", in_key=flow, local_ip="10.0.32.13", out_key=flow, remote_ip="10.0.31.141"}
        Port "vxlan-0a001f7e"
            Interface "vxlan-0a001f7e"
                type: vxlan
                options: {df_default="true", in_key=flow, local_ip="10.0.32.13", out_key=flow, remote_ip="10.0.31.126"}
        Port "vxlan-0a002016"
            Interface "vxlan-0a002016"
                type: vxlan
                options: {df_default="true", in_key=flow, local_ip="10.0.32.13", out_key=flow, remote_ip="10.0.32.22"}
        Port patch-int
            Interface
 patch-int
                type: patch
                options: {peer=patch-tun}
        Port br-tun
            Interface br-tun
                type: internal
    Bridge br-int
        fail_mode: secure
        Port br-int
            Interface br-int
                type: internal
        Port "tap78ec2293-ae"
            tag: 1
            Interface "tap78ec2293-ae"
                type: dpdkvhostuser
                error: "could not open network device tap78ec2293-ae (Unknown error -1)"
        Port "tapb94777b3-5d"
            tag: 1


When start the ovs like this ,this problem will occurs:

ovs-vswitchd --dpdk -c 0x1 -n 4 --socket-mem=2048,2048 -- unix:/var/run/openvswitch/db.sock --pidfile --detach -vconsole:emer -vsyslog:err -vfile:info --mlockall --no-chdir --log-file=/var/log/openvswitch/ovs-vswitchd.log –monitor

if change the --socket-mem=2048,2048   to   –socket-mem= 2048 ,  it will have no problem

if it  means the numa node1 can not use ?

my ovs version is 2.5 and dpdk version is 2.2 with kernel Linux version 3.10.0-229.20.1.el7.x86_64 (builder at kbuilder.dev.centos.org) (gcc version 4.8.3 20140911 (Red Hat 4.8.3-9) (GCC) ) #1 SMP Tue Nov 3 19:10:07 UTC 2015


Thanks & regards

Eric wang

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