[ovs-discuss] Open vSwitch installation in userspace.

[Hardeep Uppal]

Hi,

I am new to Open vSwitch and had a few question about open vswitch setup in
userspace in dom0 (2.6.26-2-xen-686). I followed steps 1 to 5 from
INSTALL.Linux to compile and install open vswitch.

% ./configure
% make
% su
% make install

I then initialize the configuration database using ovsdb-tools as instructed
on step 7.
 % ovsdb-tool create /usr/local/etc/ovs-vswitchd.conf.db
vswitchd/vswitch.ovsschema

I made sure that directory /sys/class/misc/tun and /dev/net/tun exist. All
this looked like it worked fine until I tried to initialize the database and
started open vswitch daemon. I got the following error when I tried to setup
a bridge using the command "ovs-vsctl add-br br0".

root at ettm:/home/ettm/Desktop/openvswitch-1.0.1# ovsdb-tool create
/usr/local/etc/ovs-vswitchd.conf.db vswitchd/vswitch.ovsschema
root at ettm:/home/ettm/Desktop/openvswitch-1.0.1#  ovsdb-server
/usr/local/etc/ovs-vswitchd.conf.db
--remote=punix:/usr/local/var/run/openvswitch/db.sock
Jul 29 12:42:33|00001|reconnect|INFO|unix:/tmp/stream-unix.8222.0:
connecting...
Jul 29 12:42:33|00002|reconnect|INFO|unix:/tmp/stream-unix.8222.0: connected
Jul 29 12:42:39|00003|jsonrpc|INFO|unix:/tmp/stream-unix.8222.0: connection
closed
Jul 29 12:42:39|00004|reconnect|INFO|unix:/tmp/stream-unix.8222.0:
connection dropped
Jul 29 12:43:21|00005|reconnect|INFO|unix:/tmp/stream-unix.8251.0:
connecting...
Jul 29 12:43:21|00006|reconnect|INFO|unix:/tmp/stream-unix.8251.0: connected
Jul 29 12:55:12|00007|reconnect|INFO|unix:/tmp/stream-unix.10566.0:
connecting...
Jul 29 12:55:12|00008|reconnect|INFO|unix:/tmp/stream-unix.10566.0:
connected
Jul 29 12:55:12|00009|jsonrpc|INFO|unix:/tmp/stream-unix.10566.0: connection
closed
Jul 29 12:55:12|00010|reconnect|INFO|unix:/tmp/stream-unix.10566.0:
connection dropped

root at ettm:/home/ettm/Desktop/openvswitch-1.0.1# ovs-vsctl init
Alarm clock
root at ettm:/home/ettm/Desktop/openvswitch-1.0.1# ovs-vswitchd
unix:/usr/local/var/run/openvswitch/db.sock
Jul 29
12:43:21|00001|reconnect|INFO|unix:/usr/local/var/run/openvswitch/db.sock:
connecting...
Jul 29
12:43:21|00002|reconnect|INFO|unix:/usr/local/var/run/openvswitch/db.sock:
connected
Jul 29 12:43:21|00003|dpif_linux|ERR|/proc/devices: openvswitch major not
found (is the module loaded?)
Jul 29 12:43:21|00004|dpif|WARN|failed to enumerate system datapaths: No
such device
Jul 29 12:55:12|00005|dpif_linux|ERR|/proc/devices: openvswitch major not
found (is the module loaded?)
Jul 29 12:55:12|00006|dpif|WARN|failed to create datapath br0: No such
device


I am not sure what the error corresponds to. I would appreciate any help.

Thanks,

Hardeep
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