[ovs-discuss] [ovn] vswitchd seg fault

[Joe Stringer]

On 17 October 2015 at 12:46, Murali R <muralirdev at gmail.com> wrote:
> On Fri, Oct 16, 2015 at 7:45 PM, Ben Pfaff <blp at nicira.com> wrote:
>>
>> On Fri, Oct 16, 2015 at 06:51:41PM -0700, Murali R wrote:
>> > This is a neutron/ovn setup. I was just doing regular query
>> > commands following some forced set command. And now it is not
>> > restarting.
>> > What did I do wrong?
>>
>> To debug this, we need either a backtrace or instructions for
>> reproduction.
>
> I don't see it generated a core file. Should I look anywhere else? Looked in
> most obvious places
> /usr/local/sbin/ovs-vswitchd
> /usr/local/var/run/openvswitch
> /opt/stack/ovs/vswitchd/

For what it's worth, you may need to set the core file size in 'ulimit
-c' to nonzero in the shell that you run OVN/OVS (I use 'unlimited').
Another potential path is /var/crash/.