Hey Ferriter, Sorry for this delayed reply,
Thanks for reporting this, I could reproduce the issue, Will investigate and send out fix soon, Alex Wang, On Wed, Nov 5, 2014 at 2:17 AM, Ferriter, Cian <cian.ferri...@intel.com> wrote: > > > I’m trying to delete a “dpdk” type port and add it again. > > I start vswitchd with DPDK argumentsand create a bridge with datapath_type > “netdev” . > > > > . /vswitchd/ovs-vswitchd --dpdk -c 0x2 -n 4 --socket-mem > 4096,0 -- unix:/usr/local/var/run/openvswitch/db.sock --pidfile --log-file > –detach > > > > . /utilities/ovs-vsctl add-br br0 -- set bridge br0 > datapath_type=netdev > > > > Then I add a “dpdk” type port, delete it and re-add it. > > > > . /utilities/ovs-vsctl add-port br0 dpdk0 -- set Interface > dpdk0 type=dpdk > > > > . /utilities/ovs-vsctl del-port br0 dpdk0 > > > > . /utilities/ovs-vsctl add-port br0 dpdk0 -- set Interface > dpdk0 type=dpdk > > > > After I add the “dpdk” type port for the second time, I get the following > error message: > > > > ovs-vsctl: Error detected while setting up 'dpdk0'. See > ovs-vswitchd log for details. > > > > These are the relevant details in the ovs-vswitchd log: > > > > 2014-11-04T18:01:05.917Z|00074|dpdk|ERR|eth dev config > error -16 > > 2014-11-04T18:01:05.917Z|00075|bridge|WARN|could not open network device > dpdk0 (Device or resource busy) > > > > The “netdev_dpdk_destruct” function in “netdev-dpdk.c” isn’t being called > and the DPDK device isn’t being freed when the port is deleted. > > This isn’t limited to DPDK ports, it happens for all ports on a userspace > bridge. > > In the “netdev_unref” function in netdev.c, the “destruct” and “dealloc” > functions aren’t being hit. > > This is possibly caused by “dev->ref_cnt” being incremented too much, or > not decremented enough. > > -------------------------------------------------------------- > Intel Shannon Limited > Registered in Ireland > Registered Office: Collinstown Industrial Park, Leixlip, County Kildare > Registered Number: 308263 > Business address: Dromore House, East Park, Shannon, Co. Clare > > This e-mail and any attachments may contain confidential material for the > sole use of the intended recipient(s). Any review or distribution by others > is strictly prohibited. If you are not the intended recipient, please > contact the sender and delete all copies. > > > _______________________________________________ > discuss mailing list > discuss@openvswitch.org > http://openvswitch.org/mailman/listinfo/discuss > >
_______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
