ovs-vsctl: cannot create a bridge named br0 because a bridge named br0 already exists
On Fri, Jul 1, 2016 at 5:22 PM, Ben Pfaff <b...@ovn.org> wrote: > If you hit control+C and run the ovs-vsctl command again, what happens? > > On Fri, Jul 01, 2016 at 05:06:27PM -0500, Charlie Li wrote: > > I don't think so - "ps -ef" shows the following processes > > > > root 1458 1 0 16:17 ? 00:00:00 ./ovsdb-server > > --remote=punix:/usr/local/var/run/openvswitch/db.sock > --remote=db:Open_vSw > > root 1464 1 0 16:18 ? 00:00:09 ./ovs-vswitchd --dpdk -c > > 0x1 -n 4 -- unix:/usr/local/var/run/openvswitch/db.sock --pidfil > > root 1468 1332 0 16:19 pts/0 00:00:00 sudo ./ovs-vsctl add-br > br0 > > -- set bridge br0 datapath_type=netdev > > root 1469 1468 0 16:19 pts/0 00:00:00 ./ovs-vsctl add-br br0 -- > > set bridge br0 datapath_type=netdev > > > > > > On Fri, Jul 1, 2016 at 4:38 PM, Ben Pfaff <b...@ovn.org> wrote: > > > > > Does ovs-vswitchd die when you run that? > > > > > > On Fri, Jul 01, 2016 at 04:24:15PM -0500, Charlie Li wrote: > > > > If I don't re-build DPDK and OVS, the following command will hang > > > > > > > > sudo ./ovs-vsctl add-br br0 -- set bridge br0 datapath_type=netdev > > > > > > > > Looks like Bala reported the same issue (not sure if it is caused by > the > > > > same reason - not re-building OVS/DPDK) > > > > > > > > On Fri, Jul 1, 2016 at 3:21 PM, Ben Pfaff <b...@ovn.org> wrote: > > > > > > > > > On Fri, Jul 01, 2016 at 01:57:38PM -0500, Charlie Li wrote: > > > > > > By now I am successful in running openvswitch-2.5.0 with > DPDK-2.2.0 > > > by > > > > > > following "INSTALL.DPDK.md <http://install.dpdk.md/>". > > > > > > > > > > > > I understand that I have to build DPDK and OVS for the very first > > > time. > > > > > > > > > > > > # Build DPDK > > > > > > cd $DPDK_DIR > > > > > > make install T=x86_64-native-linuxapp-gcc > > > > > > > > > > > > # Configure & build OVS > > > > > > cd $OVS_DIR > > > > > > ./boot.sh > > > > > > ./configure --with-dpdk=$DPDK_BUILD/ > > > > > > make CFLAGS='-O3 -march=native' > > > > > > > > > > > > But why do I have to build DPDK and OVS every time to run > OVS-DPDK? > > > > > > > > > > You don't. This doesn't make any sense. > > > > > > > > > > If you don't re-build OVS after you reboot, what happens? > > > > > > > > >
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