[ovs-discuss] restarting openvswitch leaves ovs bridge down and with no IP

Guru Shetty guru at ovn.org
Fri Jan 29 17:49:50 UTC 2016


This is nasty! A 'ovs-appctl exit' causes ovs-vswitchd to destroy the
bridges!

On 28 January 2016 at 19:45, EDGAR CANTU <eocantu at us.ibm.com> wrote:

> Thank you for your response. I restarted OVS the way you mentioned and I
> don't see the issue.
>
>
> [image: Inactive hide details for Ben Pfaff ---01/28/2016 06:02:24
> PM---Please don't drop the mailing list. It's hard for me to guess w]Ben
> Pfaff ---01/28/2016 06:02:24 PM---Please don't drop the mailing list. It's
> hard for me to guess whether this is an issue with ovs-vswi
>
> From: Ben Pfaff <blp at ovn.org>
> To: EDGAR CANTU/Austin/IBM at IBMUS
> Cc: bugs at openvswitch.org
> Date: 01/28/2016 06:02 PM
> Subject: Re: [ovs-discuss] restarting openvswitch leaves ovs bridge down
> and with no IP
> ------------------------------
>
>
>
> Please don't drop the mailing list.
>
> It's hard for me to guess whether this is an issue with ovs-vswitchd or
> something wrapped around it.  To tell the difference, I would start by
> doing a lower-level start.  One way to do that is to run "ps ax|grep
> ovs-vswitchd" to see the ovs-vswitchd command line, then kill ovs, then
> restart it by running the full command line you saw before.  Another
> way, that will work if you see --monitor in the OVS command line, is to
> just kill ovs-vswitchd with a SEGV signal, e.g. "kill -SEGV `cat
> /var/run/openvswitch/ovs-vswitchd.pid`".
>
> If you restart OVS one of those ways, do you still see the issue?
>
> On Thu, Jan 28, 2016 at 04:51:45PM -0600, EDGAR CANTU wrote:
> >
> > I'm using "systemctl restart openvswitch"
> > This is on Centos 7.1
> >
> >
> >
> >
> > From: Ben Pfaff <blp at ovn.org>
> > To: EDGAR CANTU/Austin/IBM at IBMUS
> > Cc: bugs at openvswitch.org
> > Date: 01/28/2016 04:22 PM
> > Subject: Re: [ovs-discuss] restarting openvswitch leaves ovs bridge down
> >             and with no IP
> >
> >
> >
> > On Wed, Jan 27, 2016 at 04:04:49PM -0600, EDGAR CANTU wrote:
> > > The openvswitch version on master seems to be wiping out the bridge's
> IP
> > > when openvswitch gets restarted and it is only after restarting network
> > > services that the IP comes back.
> > > I'm using commit 6872bf1eb7e46f9c202d512aa5ca6d99fe35d23e
> > > I've also verified that I don' see this issue with versions 2.3.1 and
> > 2.4.0
> >
> > What are you doing to restart Open vSwitch?
> >
> >
> >
>
>
>
>
>
>
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>
>
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