[dpdk-dev] DPDK OVS on Ubuntu 14.04

[Abhijeet Karve]

Dear All,


We are trying to install DPDK OVS on top of the openstack juno in Ubuntu 
14.04 single server. We are referring following steps for executing the 
same.
 
https://software.intel.com/en-us/blogs/2015/06/09/building-vhost-user-for-ovs-today-using-dpdk-200
 
During execution we are getting some issues with ovs-vswitchd service as 
its getting hang during starting.
_________________________________________________________________________

nfv-dpdk at nfv-dpdk:~$ tail -f /var/log/openvswitch/ovs-vswitchd.log
2015-11-24T10:54:34.036Z|00006|reconnect|INFO|unix:/var/run/openvswitch/db.sock:                                                                            
connecting...
2015-11-24T10:54:34.036Z|00007|reconnect|INFO|unix:/var/run/openvswitch/db.sock:                                                                            
connected
2015-11-24T10:54:34.064Z|00008|bridge|INFO|ovs-vswitchd (Open vSwitch) 
2.4.90
2015-11-24T11:03:42.957Z|00002|vlog|INFO|opened log file 
/var/log/openvswitch/ov          
                                                                 s-vswitchd.log
2015-11-24T11:03:42.958Z|00003|ovs_numa|INFO|Discovered 24 CPU cores on 
NUMA 
nod                                                                           
e 0
2015-11-24T11:03:42.958Z|00004|ovs_numa|INFO|Discovered 24 CPU cores on 
NUMA 
nod                                                                           
e 1
2015-11-24T11:03:42.958Z|00005|ovs_numa|INFO|Discovered 2 NUMA nodes and 
48 CPU                                   
                                         cores
2015-11-24T11:03:42.958Z|00006|reconnect|INFO|unix:/var/run/openvswitch/db.sock:                                                                            
connecting...
2015-11-24T11:03:42.958Z|00007|reconnect|INFO|unix:/var/run/openvswitch/db.sock:                                                                            
connected
2015-11-24T11:03:42.961Z|00008|bridge|INFO|ovs-vswitchd (Open vSwitch) 
2.4.90
_________________________________________________________________________

Also, attaching output(Hugepage.txt) of  “ ./ovs-vswitchd --dpdk -c 0x0FF8 
-n 4 --socket-mem 1024,0 -- 
--log-file=/var/log/openvswitch/ovs-vswitchd.log 
--pidfile=/var/run/oppenvswitch/ovs-vswitchd.pid” 
 
-          We tried seting up echo 0 > 
/sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages, but couldn’t 
succeeded.
      Can anyone please help us in getting the things if we are missing 
any and causing ovs-vswitchd to stuck while starting?
 
Also, when we create vm in openstack with DPDK OVS, dpdkvhost-user type 
interfaces are getting created automatically. If this interfaces are 
getting mapped with regular br-int bridge rather than DPDK bridge br0 then 
is this mean that we have successfully enabled DPDK with netdev datapath?

 

We really appreciate for all the advice if you have.

Thanks,
Abhijeet 
Thanks & Regards
Abhijeet Karve

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