[ovs-discuss] [opnfv-tech-discuss] Persistent error when trying to install Devstack+OVN

[Morales, Victor]

Hey Amir,

I haven’t tried to use OVN in Devstack before but it seems like it’s related with the OVS version that you’re using. Can you provide the version number of OVS?

Regards,
Victor Morales

From: <opnfv-tech-discuss-bounces at lists.opnfv.org> on behalf of Amir Mohamad <a.ibrahim at fci-cu.edu.eg>
Date: Thursday, May 31, 2018 at 5:15 AM
To: "ovs-discuss at openvswitch.org" <ovs-discuss at openvswitch.org>, "jmcdowall at paloaltonetworks.com" <jmcdowall at paloaltonetworks.com>
Subject: [opnfv-tech-discuss] Persistent error when trying to install Devstack+OVN

Hello,
          I've been trying to install Devstack+OVN on CentOS7,on the physical machine not a VM, and the environment is a desktop with core i5 (4th gen), 8 Gigs of ram, and 500 GB disk.

I followed the following steps to install:

1. Installed minimal centos7
2. Created a stack user:
$ sudo useradd -s /bin/bash -d /opt/stack -m stack
$ echo "stack ALL=(ALL) NOPASSWD: ALL" | sudo tee /etc/sudoers.d/stack
$ sudo su - stack
3. Pulled the devstack and OS OVN plugin
$ sudo yum install git -y
$ git clone http://git.openstack.org/openstack-dev/devstack.git
$ git clone http://git.openstack.org/openstack/networking-ovn.git
$ cd devstack
$ cp ../networking-ovn/devstack/local.conf.sample local.conf
$ ./stack.sh


Every time the installation stops and exits with the error below:

make -C /lib/modules/3.10.0-862.el7.x86_64/build M=/opt/stack/ovs/datapath/linux                                                                              modules
make[4]: Entering directory `/usr/src/kernels/3.10.0-862.el7.x86_64'
  CC [M]  /opt/stack/ovs/datapath/linux/actions.o
  CC [M]  /opt/stack/ovs/datapath/linux/conntrack.o
  CC [M]  /opt/stack/ovs/datapath/linux/dp_notify.o
  CC [M]  /opt/stack/ovs/datapath/linux/datapath.o
  CC [M]  /opt/stack/ovs/datapath/linux/flow.o
  CC [M]  /opt/stack/ovs/datapath/linux/flow_netlink.o
  CC [M]  /opt/stack/ovs/datapath/linux/flow_table.o
  CC [M]  /opt/stack/ovs/datapath/linux/vport.o
  CC [M]  /opt/stack/ovs/datapath/linux/vport-internal_dev.o
/opt/stack/ovs/datapath/linux/flow_netlink.c: In function 'validate_and_copy_set                                                                             _tun':
/opt/stack/ovs/datapath/linux/flow_netlink.c:2551:10: error: too many arguments                                                                              to function 'metadata_dst_alloc'
          GFP_KERNEL);
          ^
In file included from /opt/stack/ovs/datapath/linux/compat/include/net/udp_tunne                                                                             l.h:8:0,
                 from /opt/stack/ovs/datapath/linux/compat/include/net/geneve.h:                                                                             5,
                 from /opt/stack/ovs/datapath/linux/flow_netlink.c:43:
/opt/stack/ovs/datapath/linux/compat/include/net/dst_metadata.h:50:36: note: dec                                                                             lared here
 static inline struct metadata_dst *metadata_dst_alloc(u8 optslen, gfp_t flags)
                                    ^
make[5]: *** [/opt/stack/ovs/datapath/linux/flow_netlink.o] Error 1
make[5]: *** Waiting for unfinished jobs....
make[4]: *** [_module_/opt/stack/ovs/datapath/linux] Error 2
make[4]: Leaving directory `/usr/src/kernels/3.10.0-862.el7.x86_64'
make[3]: *** [default] Error 2
make[3]: Leaving directory `/opt/stack/ovs/datapath/linux'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/opt/stack/ovs/datapath'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/opt/stack/ovs'
make: *** [all] Error 2
Error on exit
World dumping... see /opt/stack/logs/worlddump-2018-05-30-144941.txt for details
[stack at localhost devstack]$


===================================

Appreciate your feedback to help me.

--
   Regards
Amir I. Mohamad
Assistant Lecturer
Faculty of Computers & Information
IT Dept. Cairo University



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