On Mon, May 20, 2013 at 3:00 AM, Salman Toor <salman.t...@helsinki.fi> wrote: > Hi, > > We are using openvswitch with Openstack Quantum module. Following are the > details of our system.. > > Openstack Controller and Compute nodes are running with Ubuntu 12.04.5, > kernel 3.5 and OpenVSwitch version 1.4.0+build0 with GRE tunnels. > > The problem is with very little activity everything works very fine but as > we started to increase the load on the system the kernel log started to grow > on the controller and fill the entire disk space and halt the complete > system. And it happen within 2 to 3 hours ...
This is caused by an overzealous check in the upstream kernel when used with certain drivers and certain offloads. It's already been relaxed upstream (in 3.9 I believe). You should be able to avoid it by turning off GRO and/or LRO in the receive NIC, although that itself will likely reduce performance. _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
