[ovs-discuss] Unable to make Netflow v5 working

[Ben Pfaff]

On Tue, Jul 29, 2014 at 05:10:49PM +0200, Duy Bach Ha wrote:
> Just to sum up and ask for help since I'm doing a thesis and have
> stuck here for a long time. You guys don't have to follow the other
> 2 emails because I sum all here. Sincerely thanks for your support.
> 
> Experimental mininet 2.1.0 network of 6 ovs switches 2.1.2 and some
> hosts (with ip in 192.168.1.0/24) and try to deploy Netflow on the
> switches. The controller is opendaylight.
> 
> /sudo mn --switch ovsk --controller remote --custom
> /smile/ncstestmap.py --topo ncstestmap --arp/
> /sh ovs-vsctl -- set Bridge s1 netflow=@nf -- --id=@nf create
> NetFlow targets=\"192.168.1.2:5566\" active-timeout=10/
> 
> Try ping, udp client and server, but netflow is not working. I
> installed from apt-get so most likely I'm working in userspace mode.
> I tried compiling kernel module, but the switch crashes when I
> install netflow command. (ovs-vswitchd crashed with SIGSEGV in
> xlate_actions_() ). I ran the testsuites before install and all
> tests are successful.

Can you provide a backtrace?  I'd like to fix the crash.