> -----Original Message----- > From: discuss [mailto:discuss-boun...@openvswitch.org] On Behalf Of > Kochba, Alon > Sent: Tuesday, April 26, 2016 4:38 PM > To: Ben Pfaff <b...@ovn.org>; Yi Ba <yby.develo...@yahoo.com> > Cc: b...@openvswitch.org > Subject: Re: [ovs-discuss] ovs get stuck when running traffic from VM > to VM on same compute > > Hi Ben, > > Could you point us to the commit that fixed this issue? > We already tried patching with this commit which seemed relevant, but > the issue still recreated - > https://github.com/openvswitch/ovs/commit/f519a72d9a3708fbc5f796f176e7 > c8bd3dcfb738 > > We will retry with your suggestion of using the 2.5 branch code, but > we might want to backport the specific fix unless there is a 2.5.1 > release including it. > If the commit linked above is the one you were thinking of, please > note a small difference - in the commit the rcu is blocked waiting for > vhost_thread to quiesce, while in our case rcu is blocked waiting for > pmd to quiesce.
It sounds similar to the problem that this commit fixed. If so the fix is applied to master and 2.5 branches. https://github.com/openvswitch/ovs/commit/61c4e39460a7db3be7262a3b2af767a84167a9d8 > > Thanks, > --alon > > > -----Original Message----- > From: discuss [mailto:discuss-boun...@openvswitch.org] On Behalf Of > Ben Pfaff > Sent: יום ה 21 אפריל 2016 19:54 > To: Yi Ba <yby.develo...@yahoo.com> > Cc: b...@openvswitch.org > Subject: Re: [ovs-discuss] ovs get stuck when running traffic from VM > to VM on same compute > > On Thu, Apr 21, 2016 at 01:24:35PM +0000, Yi Ba wrote: > > > > - What you did that make the problem appear. > > launching 2 VMs on the same host. The host has ovs-dpdk and the VM > ports are vhostuser. Generating bi-directional traffic (each VM sends > to the other) using dpdk from within the VMs. > > > > - What you expected to happen. > > Traffic will run with no issues > > > > - What actually happened. > > The OVS gets stuck. See attached the relevant of the ovs- > vswitchd.log > > > > > > - The Open vSwitch version number (as output by ovs-vswitchd -- > version) > > 2.5.0 > > It's fixed on branch-2.5, please upgrade. > _______________________________________________ > discuss mailing list > discuss@openvswitch.org > http://openvswitch.org/mailman/listinfo/discuss > _______________________________________________ > discuss mailing list > discuss@openvswitch.org > http://openvswitch.org/mailman/listinfo/discuss _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
